diff --git a/theme/boost/amd/build/aria.min.js b/theme/boost/amd/build/aria.min.js
index 447fd662e94..e266186de4e 100644
--- a/theme/boost/amd/build/aria.min.js
+++ b/theme/boost/amd/build/aria.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/aria",["jquery","core/pending"],function(a,b){return{init:function init(){var c=!1,d=function(){c=!0},e=function(){var a=c;c=!1;return a};a("[data-toggle=\"dropdown\"]").keydown(function(b){var c=b.which||b.keyCode,e;if(38==c){d()}if(27==c){e=a(b.target).attr("aria-expanded");b.preventDefault();if("false"==e){a(b.target).click()}}if(32==c||13==c){b.preventDefault();a(b.target).click()}});var f=function(c){var d=function(b){a(this).focus();b.resolve()}.bind(c);setTimeout(d,50,new b("core/aria:delayed-focus"))};a(".dropdown").on("shown.bs.dropdown",function(b){var c=a(b.target).find("[role=\"menu\"]"),d=!1,g=!1;if(c){d=a(c).find("[role=\"menuitem\"]")}if(d&&0.\n\n/**\n * Enhancements to Bootstrap components for accessibility.\n *\n * @module theme_boost/aria\n * @copyright 2018 Damyon Wiese \n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/pending'], function($, Pending) {\n return {\n init: function() {\n // Drop downs from bootstrap don't support keyboard accessibility by default.\n var focusEnd = false,\n setFocusEnd = function() {\n focusEnd = true;\n },\n getFocusEnd = function() {\n var result = focusEnd;\n focusEnd = false;\n return result;\n };\n\n // Special handling for \"up\" keyboard control.\n $('[data-toggle=\"dropdown\"]').keydown(function(e) {\n var trigger = e.which || e.keyCode,\n expanded;\n\n // Up key opens the menu at the end.\n if (trigger == 38) {\n // Focus the end of the menu, not the beginning.\n setFocusEnd();\n }\n\n // Escape key only closes the menu, it doesn't open it.\n if (trigger == 27) {\n expanded = $(e.target).attr('aria-expanded');\n e.preventDefault();\n if (expanded == \"false\") {\n $(e.target).click();\n }\n }\n\n // Space key or Enter key opens the menu.\n if (trigger == 32 || trigger == 13) {\n // Cancel random scroll.\n e.preventDefault();\n // Open the menu instead.\n $(e.target).click();\n }\n });\n\n // Special handling for navigation keys when menu is open.\n var shiftFocus = function(element) {\n var delayedFocus = function(pendingPromise) {\n $(this).focus();\n pendingPromise.resolve();\n }.bind(element);\n setTimeout(delayedFocus, 50, new Pending('core/aria:delayed-focus'));\n };\n\n $('.dropdown').on('shown.bs.dropdown', function(e) {\n // We need to focus on the first menuitem.\n var menu = $(e.target).find('[role=\"menu\"]'),\n menuItems = false,\n foundMenuItem = false;\n\n if (menu) {\n menuItems = $(menu).find('[role=\"menuitem\"]');\n }\n if (menuItems && menuItems.length > 0) {\n if (getFocusEnd()) {\n foundMenuItem = menuItems[menuItems.length - 1];\n } else {\n // The first menu entry, pretty reasonable.\n foundMenuItem = menuItems[0];\n }\n }\n if (foundMenuItem) {\n shiftFocus(foundMenuItem);\n }\n });\n // Search for menu items by finding the first item that has\n // text starting with the typed character (case insensitive).\n $('.dropdown [role=\"menu\"] [role=\"menuitem\"]').keypress(function(e) {\n var trigger = String.fromCharCode(e.which || e.keyCode),\n menu = $(e.target).closest('[role=\"menu\"]'),\n i = 0,\n menuItems = false,\n item,\n itemText;\n\n if (!menu) {\n return;\n }\n menuItems = $(menu).find('[role=\"menuitem\"]');\n if (!menuItems) {\n return;\n }\n\n trigger = trigger.toLowerCase();\n for (i = 0; i < menuItems.length; i++) {\n item = $(menuItems[i]);\n itemText = item.text().trim().toLowerCase();\n if (itemText.indexOf(trigger) == 0) {\n shiftFocus(item);\n break;\n }\n }\n });\n\n // Keyboard navigation for arrow keys, home and end keys.\n $('.dropdown [role=\"menu\"] [role=\"menuitem\"]').keydown(function(e) {\n var trigger = e.which || e.keyCode,\n next = false,\n menu = $(e.target).closest('[role=\"menu\"]'),\n i = 0,\n menuItems = false;\n if (!menu) {\n return;\n }\n menuItems = $(menu).find('[role=\"menuitem\"]');\n if (!menuItems) {\n return;\n }\n // Down key.\n if (trigger == 40) {\n for (i = 0; i < menuItems.length - 1; i++) {\n if (menuItems[i] == e.target) {\n next = menuItems[i + 1];\n break;\n }\n }\n if (!next) {\n // Wrap to first item.\n next = menuItems[0];\n }\n\n } else if (trigger == 38) {\n // Up key.\n for (i = 1; i < menuItems.length; i++) {\n if (menuItems[i] == e.target) {\n next = menuItems[i - 1];\n break;\n }\n }\n if (!next) {\n // Wrap to last item.\n next = menuItems[menuItems.length - 1];\n }\n\n } else if (trigger == 36) {\n // Home key.\n next = menuItems[0];\n\n } else if (trigger == 35) {\n // End key.\n next = menuItems[menuItems.length - 1];\n }\n // Variable next is set if we do want to act on the keypress.\n if (next) {\n e.preventDefault();\n shiftFocus(next);\n }\n return;\n });\n $('.dropdown').on('hidden.bs.dropdown', function(e) {\n // We need to focus on the menu trigger.\n var trigger = $(e.target).find('[data-toggle=\"dropdown\"]');\n if (trigger) {\n shiftFocus(trigger);\n }\n });\n\n // After page load, focus on any element with special autofocus attribute.\n window.addEventListener(\"load\", () => {\n const alerts = document.querySelectorAll('[data-aria-autofocus=\"true\"][role=\"alert\"]');\n Array.prototype.forEach.call(alerts, autofocusElement => {\n // According to the specification an role=\"alert\" region is only read out on change to the content\n // of that region.\n autofocusElement.innerHTML += ' ';\n autofocusElement.removeAttribute('data-aria-autofocus');\n });\n });\n }\n };\n});\n"],"file":"aria.min.js"}
\ No newline at end of file
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see .\n\n/**\n * Enhancements to Bootstrap components for accessibility.\n *\n * @module theme_boost/aria\n * @copyright 2018 Damyon Wiese \n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {end, escape, arrowUp, arrowDown, home, enter, space} from 'core/key_codes';\nimport $ from 'jquery';\nimport Pending from 'core/pending';\n\n/**\n * Drop downs from bootstrap don't support keyboard accessibility by default.\n */\nconst dropdownFix = () => {\n let focusEnd = false;\n const setFocusEnd = () => {\n focusEnd = true;\n };\n const getFocusEnd = () => {\n const result = focusEnd;\n focusEnd = false;\n return result;\n };\n\n // Special handling for \"up\" keyboard control.\n document.addEventListener('keydown', e => {\n if (e.target.matches('[data-toggle=\"dropdown\"]')) {\n const trigger = e.which;\n\n // Up key opens the menu at the end.\n if (trigger == arrowUp) {\n // Focus the end of the menu, not the beginning.\n setFocusEnd();\n }\n\n // Escape key only closes the menu, it doesn't open it.\n if (trigger == escape) {\n const expanded = e.target.getAttribute('aria-expanded');\n e.preventDefault();\n if (expanded == \"false\") {\n e.target.click();\n }\n }\n\n // Space key or Enter key opens the menu.\n if (trigger == space || trigger == enter) {\n // Cancel random scroll.\n e.preventDefault();\n // Open the menu instead.\n e.target.click();\n }\n }\n });\n\n // Special handling for navigation keys when menu is open.\n const shiftFocus = element => {\n const delayedFocus = pendingPromise => {\n element.focus();\n pendingPromise.resolve();\n };\n setTimeout(delayedFocus, 50, new Pending('core/aria:delayed-focus'));\n };\n\n $('.dropdown').on('shown.bs.dropdown', e => {\n // We need to focus on the first menuitem.\n const menu = e.target.querySelector('[role=\"menu\"]');\n let menuItems = false;\n let foundMenuItem = false;\n\n if (menu) {\n menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n }\n if (menuItems && menuItems.length > 0) {\n if (getFocusEnd()) {\n foundMenuItem = menuItems[menuItems.length - 1];\n } else {\n // The first menu entry, pretty reasonable.\n foundMenuItem = menuItems[0];\n }\n }\n if (foundMenuItem) {\n shiftFocus(foundMenuItem);\n }\n });\n // Search for menu items by finding the first item that has\n // text starting with the typed character (case insensitive).\n document.addEventListener('keypress', e => {\n if (e.target.matches('.dropdown [role=\"menu\"] [role=\"menuitem\"]')) {\n const trigger = String.fromCharCode(e.which).toLowerCase();\n const menu = e.target.closest('[role=\"menu\"]');\n\n if (!menu) {\n return;\n }\n const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n if (!menuItems) {\n return;\n }\n\n for (let i = 0; i < menuItems.length; i++) {\n const item = menuItems[i];\n const itemText = item.text.trim().toLowerCase();\n if (itemText.indexOf(trigger) == 0) {\n shiftFocus(item);\n break;\n }\n }\n }\n });\n\n // Keyboard navigation for arrow keys, home and end keys.\n document.addEventListener('keydown', e => {\n if (e.target.matches('.dropdown [role=\"menu\"] [role=\"menuitem\"]')) {\n const trigger = e.which;\n let next = false;\n const menu = e.target.closest('[role=\"menu\"]');\n\n if (!menu) {\n return;\n }\n const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n if (!menuItems) {\n return;\n }\n // Down key.\n if (trigger == arrowDown) {\n for (let i = 0; i < menuItems.length - 1; i++) {\n if (menuItems[i] == e.target) {\n next = menuItems[i + 1];\n break;\n }\n }\n if (!next) {\n // Wrap to first item.\n next = menuItems[0];\n }\n\n } else if (trigger == arrowUp) {\n // Up key.\n for (let i = 1; i < menuItems.length; i++) {\n if (menuItems[i] == e.target) {\n next = menuItems[i - 1];\n break;\n }\n }\n if (!next) {\n // Wrap to last item.\n next = menuItems[menuItems.length - 1];\n }\n\n } else if (trigger == home) {\n // Home key.\n next = menuItems[0];\n\n } else if (trigger == end) {\n // End key.\n next = menuItems[menuItems.length - 1];\n }\n // Variable next is set if we do want to act on the keypress.\n if (next) {\n e.preventDefault();\n shiftFocus(next);\n }\n return;\n }\n });\n\n $('.dropdown').on('hidden.bs.dropdown', e => {\n // We need to focus on the menu trigger.\n const trigger = e.target.querySelector('[data-toggle=\"dropdown\"]');\n if (trigger) {\n shiftFocus(trigger);\n }\n });\n};\n\n/**\n * After page load, focus on any element with special autofocus attribute.\n */\nconst autoFocus = () => {\n window.addEventListener(\"load\", () => {\n const alerts = document.querySelectorAll('[data-aria-autofocus=\"true\"][role=\"alert\"]');\n Array.prototype.forEach.call(alerts, autofocusElement => {\n // According to the specification an role=\"alert\" region is only read out on change to the content\n // of that region.\n autofocusElement.innerHTML += ' ';\n autofocusElement.removeAttribute('data-aria-autofocus');\n });\n });\n};\n\nexport const init = () => {\n dropdownFix();\n autoFocus();\n};\n"],"file":"aria.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/loader.min.js b/theme/boost/amd/build/loader.min.js
index baacba5c056..188f865c930 100644
--- a/theme/boost/amd/build/loader.min.js
+++ b/theme/boost/amd/build/loader.min.js
@@ -1,2 +1,2 @@
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+function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("theme_boost/loader",["exports","jquery","./aria","./bootstrap/index","core/pending","./scroll","./pending"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Bootstrap",{enumerable:!0,get:function get(){return d.default}});b=j(b);c=i(c);d=j(d);e=j(e);f=j(f);g=j(g);function h(){if("function"!=typeof WeakMap)return null;var a=new WeakMap;h=function(){return a};return a}function i(a){if(a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var b=h();if(b&&b.has(a)){return b.get(a)}var c={},d=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var e in a){if(Object.prototype.hasOwnProperty.call(a,e)){var f=d?Object.getOwnPropertyDescriptor(a,e):null;if(f&&(f.get||f.set)){Object.defineProperty(c,e,f)}else{c[e]=a[e]}}}c.default=a;if(b){b.set(a,c)}return c}function j(a){return a&&a.__esModule?a:{default:a}}var k=function(){(0,b.default)("a[data-toggle=\"tab\"]").on("shown.bs.tab",function(a){var c=(0,b.default)(a.target).attr("href");if(history.replaceState){history.replaceState(null,null,c)}else{location.hash=c}});var a=window.location.hash;if(a){(0,b.default)(".nav-link[href=\""+a+"\"]").tab("show")}},l=function(){(0,b.default)("body").popover({container:"body",selector:"[data-toggle=\"popover\"]",trigger:"focus"});document.addEventListener("keydown",function(a){if("Escape"===a.key&&a.target.closest("[data-toggle=\"popover\"]")){(0,b.default)(a.target).popover("hide")}})},m=function(){(0,b.default)("body").tooltip({container:"body",selector:"[data-toggle=\"tooltip\"]"})},n=new e.default("theme_boost/loader:init");(0,g.default)();k();l();m();new f.default().init();b.default.fn.dropdown.Constructor.Default.flip=!1;c.init();n.resolve()});
//# sourceMappingURL=loader.min.js.map
diff --git a/theme/boost/amd/build/loader.min.js.map b/theme/boost/amd/build/loader.min.js.map
index bcde39cc2fc..63d1fc7f7c7 100644
--- a/theme/boost/amd/build/loader.min.js.map
+++ b/theme/boost/amd/build/loader.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/loader.js"],"names":["rememberTabs","on","e","hash","target","attr","history","replaceState","location","window","tab","enablePopovers","popover","container","selector","trigger","document","addEventListener","key","closest","enableTooltips","tooltip","pendingPromise","Pending","Scroll","init","$","fn","dropdown","Constructor","Default","flip","Aria","resolve"],"mappings":"qSA0BA,OACA,OACA,OACA,OACA,OACA,O,sDAKMA,CAAAA,CAAY,CAAG,UAAM,CACvB,cAAE,wBAAF,EAA0BC,EAA1B,CAA6B,cAA7B,CAA6C,SAASC,CAAT,CAAY,CACrD,GAAIC,CAAAA,CAAI,CAAG,cAAED,CAAC,CAACE,MAAJ,EAAYC,IAAZ,CAAiB,MAAjB,CAAX,CACA,GAAIC,OAAO,CAACC,YAAZ,CAA0B,CACtBD,OAAO,CAACC,YAAR,CAAqB,IAArB,CAA2B,IAA3B,CAAiCJ,CAAjC,CACH,CAFD,IAEO,CACHK,QAAQ,CAACL,IAAT,CAAgBA,CACnB,CACJ,CAPD,EAQA,GAAIA,CAAAA,CAAI,CAAGM,MAAM,CAACD,QAAP,CAAgBL,IAA3B,CACA,GAAIA,CAAJ,CAAU,CACP,cAAE,oBAAqBA,CAArB,CAA4B,KAA9B,EAAoCO,GAApC,CAAwC,MAAxC,CACF,CACJ,C,CAMKC,CAAc,CAAG,UAAM,CACzB,cAAE,MAAF,EAAUC,OAAV,CAAkB,CACdC,SAAS,CAAE,MADG,CAEdC,QAAQ,CAAE,2BAFI,CAGdC,OAAO,CAAE,OAHK,CAAlB,EAMAC,QAAQ,CAACC,gBAAT,CAA0B,SAA1B,CAAqC,SAAAf,CAAC,CAAI,CACtC,GAAc,QAAV,GAAAA,CAAC,CAACgB,GAAF,EAAsBhB,CAAC,CAACE,MAAF,CAASe,OAAT,CAAiB,2BAAjB,CAA1B,CAAuE,CACnE,cAAEjB,CAAC,CAACE,MAAJ,EAAYQ,OAAZ,CAAoB,MAApB,CACH,CACJ,CAJD,CAKH,C,CAMKQ,CAAc,CAAG,UAAM,CACzB,cAAE,MAAF,EAAUC,OAAV,CAAkB,CACdR,SAAS,CAAE,MADG,CAEdC,QAAQ,CAAE,2BAFI,CAAlB,CAIH,C,CAEKQ,CAAc,CAAG,GAAIC,UAAJ,CAAY,yBAAZ,C,CAGvB,gBAGAvB,CAAY,GAGZW,CAAc,GAGdS,CAAc,GAGb,GAAII,UAAJ,EAAD,CAAeC,IAAf,GAGAC,UAAEC,EAAF,CAAKC,QAAL,CAAcC,WAAd,CAA0BC,OAA1B,CAAkCC,IAAlC,IAGAC,UAAKP,IAAL,GAEAH,CAAc,CAACW,OAAf,E","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see .\n\n/**\n * Template renderer for Moodle. Load and render Moodle templates with Mustache.\n *\n * @module core/templates\n * @package core\n * @class templates\n * @copyright 2015 Damyon Wiese \n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 2.9\n */\n\nimport $ from 'jquery';\nimport Aria from './aria';\nimport Bootstrap from './bootstrap/index';\nimport Pending from 'core/pending';\nimport Scroll from './scroll';\nimport setupBootstrapPendingChecks from './pending';\n\n/**\n * Rember the last visited tabs.\n */\nconst rememberTabs = () => {\n $('a[data-toggle=\"tab\"]').on('shown.bs.tab', function(e) {\n var hash = $(e.target).attr('href');\n if (history.replaceState) {\n history.replaceState(null, null, hash);\n } else {\n location.hash = hash;\n }\n });\n var hash = window.location.hash;\n if (hash) {\n $('.nav-link[href=\"' + hash + '\"]').tab('show');\n }\n};\n\n/**\n * Enable all popovers\n *\n */\nconst enablePopovers = () => {\n $('body').popover({\n container: 'body',\n selector: '[data-toggle=\"popover\"]',\n trigger: 'focus',\n });\n\n document.addEventListener('keydown', e => {\n if (e.key === 'Escape' && e.target.closest('[data-toggle=\"popover\"]')) {\n $(e.target).popover('hide');\n }\n });\n};\n\n/**\n * Enable tooltips\n *\n */\nconst enableTooltips = () => {\n $('body').tooltip({\n container: 'body',\n selector: '[data-toggle=\"tooltip\"]',\n });\n};\n\nconst pendingPromise = new Pending('theme_boost/loader:init');\n\n// Add pending promise event listeners to relevant Bootstrap custom events.\nsetupBootstrapPendingChecks();\n\n// Remember the last visited tabs.\nrememberTabs();\n\n// Enable all popovers.\nenablePopovers();\n\n// Enable all tooltips.\nenableTooltips();\n\n// Add scroll handling.\n(new Scroll()).init();\n\n// Disables flipping the dropdowns up and getting hidden behind the navbar.\n$.fn.dropdown.Constructor.Default.flip = false;\n\n// Setup Aria helpers for Bootstrap features.\nAria.init();\n\npendingPromise.resolve();\n\nexport {\n Bootstrap,\n};\n"],"file":"loader.min.js"}
\ No newline at end of file
+{"version":3,"sources":["../src/loader.js"],"names":["rememberTabs","on","e","hash","target","attr","history","replaceState","location","window","tab","enablePopovers","popover","container","selector","trigger","document","addEventListener","key","closest","enableTooltips","tooltip","pendingPromise","Pending","Scroll","init","$","fn","dropdown","Constructor","Default","flip","Aria","resolve"],"mappings":"wkBA0BA,OACA,OACA,OACA,OACA,OACA,O,4lBAKMA,CAAAA,CAAY,CAAG,UAAM,CACvB,cAAE,wBAAF,EAA0BC,EAA1B,CAA6B,cAA7B,CAA6C,SAASC,CAAT,CAAY,CACrD,GAAIC,CAAAA,CAAI,CAAG,cAAED,CAAC,CAACE,MAAJ,EAAYC,IAAZ,CAAiB,MAAjB,CAAX,CACA,GAAIC,OAAO,CAACC,YAAZ,CAA0B,CACtBD,OAAO,CAACC,YAAR,CAAqB,IAArB,CAA2B,IAA3B,CAAiCJ,CAAjC,CACH,CAFD,IAEO,CACHK,QAAQ,CAACL,IAAT,CAAgBA,CACnB,CACJ,CAPD,EAQA,GAAIA,CAAAA,CAAI,CAAGM,MAAM,CAACD,QAAP,CAAgBL,IAA3B,CACA,GAAIA,CAAJ,CAAU,CACP,cAAE,oBAAqBA,CAArB,CAA4B,KAA9B,EAAoCO,GAApC,CAAwC,MAAxC,CACF,CACJ,C,CAMKC,CAAc,CAAG,UAAM,CACzB,cAAE,MAAF,EAAUC,OAAV,CAAkB,CACdC,SAAS,CAAE,MADG,CAEdC,QAAQ,CAAE,2BAFI,CAGdC,OAAO,CAAE,OAHK,CAAlB,EAMAC,QAAQ,CAACC,gBAAT,CAA0B,SAA1B,CAAqC,SAAAf,CAAC,CAAI,CACtC,GAAc,QAAV,GAAAA,CAAC,CAACgB,GAAF,EAAsBhB,CAAC,CAACE,MAAF,CAASe,OAAT,CAAiB,2BAAjB,CAA1B,CAAuE,CACnE,cAAEjB,CAAC,CAACE,MAAJ,EAAYQ,OAAZ,CAAoB,MAApB,CACH,CACJ,CAJD,CAKH,C,CAMKQ,CAAc,CAAG,UAAM,CACzB,cAAE,MAAF,EAAUC,OAAV,CAAkB,CACdR,SAAS,CAAE,MADG,CAEdC,QAAQ,CAAE,2BAFI,CAAlB,CAIH,C,CAEKQ,CAAc,CAAG,GAAIC,UAAJ,CAAY,yBAAZ,C,CAGvB,gBAGAvB,CAAY,GAGZW,CAAc,GAGdS,CAAc,GAGb,GAAII,UAAJ,EAAD,CAAeC,IAAf,GAGAC,UAAEC,EAAF,CAAKC,QAAL,CAAcC,WAAd,CAA0BC,OAA1B,CAAkCC,IAAlC,IAGAC,CAAI,CAACP,IAAL,GAEAH,CAAc,CAACW,OAAf,E","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle. If not, see .\n\n/**\n * Template renderer for Moodle. Load and render Moodle templates with Mustache.\n *\n * @module core/templates\n * @package core\n * @class templates\n * @copyright 2015 Damyon Wiese \n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 2.9\n */\n\nimport $ from 'jquery';\nimport * as Aria from './aria';\nimport Bootstrap from './bootstrap/index';\nimport Pending from 'core/pending';\nimport Scroll from './scroll';\nimport setupBootstrapPendingChecks from './pending';\n\n/**\n * Rember the last visited tabs.\n */\nconst rememberTabs = () => {\n $('a[data-toggle=\"tab\"]').on('shown.bs.tab', function(e) {\n var hash = $(e.target).attr('href');\n if (history.replaceState) {\n history.replaceState(null, null, hash);\n } else {\n location.hash = hash;\n }\n });\n var hash = window.location.hash;\n if (hash) {\n $('.nav-link[href=\"' + hash + '\"]').tab('show');\n }\n};\n\n/**\n * Enable all popovers\n *\n */\nconst enablePopovers = () => {\n $('body').popover({\n container: 'body',\n selector: '[data-toggle=\"popover\"]',\n trigger: 'focus',\n });\n\n document.addEventListener('keydown', e => {\n if (e.key === 'Escape' && e.target.closest('[data-toggle=\"popover\"]')) {\n $(e.target).popover('hide');\n }\n });\n};\n\n/**\n * Enable tooltips\n *\n */\nconst enableTooltips = () => {\n $('body').tooltip({\n container: 'body',\n selector: '[data-toggle=\"tooltip\"]',\n });\n};\n\nconst pendingPromise = new Pending('theme_boost/loader:init');\n\n// Add pending promise event listeners to relevant Bootstrap custom events.\nsetupBootstrapPendingChecks();\n\n// Remember the last visited tabs.\nrememberTabs();\n\n// Enable all popovers.\nenablePopovers();\n\n// Enable all tooltips.\nenableTooltips();\n\n// Add scroll handling.\n(new Scroll()).init();\n\n// Disables flipping the dropdowns up and getting hidden behind the navbar.\n$.fn.dropdown.Constructor.Default.flip = false;\n\n// Setup Aria helpers for Bootstrap features.\nAria.init();\n\npendingPromise.resolve();\n\nexport {\n Bootstrap,\n};\n"],"file":"loader.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/src/aria.js b/theme/boost/amd/src/aria.js
index b2b96b0e143..812aad76680 100644
--- a/theme/boost/amd/src/aria.js
+++ b/theme/boost/amd/src/aria.js
@@ -20,181 +20,193 @@
* @copyright 2018 Damyon Wiese
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
-define(['jquery', 'core/pending'], function($, Pending) {
- return {
- init: function() {
- // Drop downs from bootstrap don't support keyboard accessibility by default.
- var focusEnd = false,
- setFocusEnd = function() {
- focusEnd = true;
- },
- getFocusEnd = function() {
- var result = focusEnd;
- focusEnd = false;
- return result;
- };
- // Special handling for "up" keyboard control.
- $('[data-toggle="dropdown"]').keydown(function(e) {
- var trigger = e.which || e.keyCode,
- expanded;
+import {end, escape, arrowUp, arrowDown, home, enter, space} from 'core/key_codes';
+import $ from 'jquery';
+import Pending from 'core/pending';
- // Up key opens the menu at the end.
- if (trigger == 38) {
- // Focus the end of the menu, not the beginning.
- setFocusEnd();
+/**
+ * Drop downs from bootstrap don't support keyboard accessibility by default.
+ */
+const dropdownFix = () => {
+ let focusEnd = false;
+ const setFocusEnd = () => {
+ focusEnd = true;
+ };
+ const getFocusEnd = () => {
+ const result = focusEnd;
+ focusEnd = false;
+ return result;
+ };
+
+ // Special handling for "up" keyboard control.
+ document.addEventListener('keydown', e => {
+ if (e.target.matches('[data-toggle="dropdown"]')) {
+ const trigger = e.which;
+
+ // Up key opens the menu at the end.
+ if (trigger == arrowUp) {
+ // Focus the end of the menu, not the beginning.
+ setFocusEnd();
+ }
+
+ // Escape key only closes the menu, it doesn't open it.
+ if (trigger == escape) {
+ const expanded = e.target.getAttribute('aria-expanded');
+ e.preventDefault();
+ if (expanded == "false") {
+ e.target.click();
}
+ }
- // Escape key only closes the menu, it doesn't open it.
- if (trigger == 27) {
- expanded = $(e.target).attr('aria-expanded');
- e.preventDefault();
- if (expanded == "false") {
- $(e.target).click();
- }
- }
+ // Space key or Enter key opens the menu.
+ if (trigger == space || trigger == enter) {
+ // Cancel random scroll.
+ e.preventDefault();
+ // Open the menu instead.
+ e.target.click();
+ }
+ }
+ });
- // Space key or Enter key opens the menu.
- if (trigger == 32 || trigger == 13) {
- // Cancel random scroll.
- e.preventDefault();
- // Open the menu instead.
- $(e.target).click();
- }
- });
+ // Special handling for navigation keys when menu is open.
+ const shiftFocus = element => {
+ const delayedFocus = pendingPromise => {
+ element.focus();
+ pendingPromise.resolve();
+ };
+ setTimeout(delayedFocus, 50, new Pending('core/aria:delayed-focus'));
+ };
- // Special handling for navigation keys when menu is open.
- var shiftFocus = function(element) {
- var delayedFocus = function(pendingPromise) {
- $(this).focus();
- pendingPromise.resolve();
- }.bind(element);
- setTimeout(delayedFocus, 50, new Pending('core/aria:delayed-focus'));
- };
+ $('.dropdown').on('shown.bs.dropdown', e => {
+ // We need to focus on the first menuitem.
+ const menu = e.target.querySelector('[role="menu"]');
+ let menuItems = false;
+ let foundMenuItem = false;
- $('.dropdown').on('shown.bs.dropdown', function(e) {
- // We need to focus on the first menuitem.
- var menu = $(e.target).find('[role="menu"]'),
- menuItems = false,
- foundMenuItem = false;
+ if (menu) {
+ menuItems = menu.querySelectorAll('[role="menuitem"]');
+ }
+ if (menuItems && menuItems.length > 0) {
+ if (getFocusEnd()) {
+ foundMenuItem = menuItems[menuItems.length - 1];
+ } else {
+ // The first menu entry, pretty reasonable.
+ foundMenuItem = menuItems[0];
+ }
+ }
+ if (foundMenuItem) {
+ shiftFocus(foundMenuItem);
+ }
+ });
+ // Search for menu items by finding the first item that has
+ // text starting with the typed character (case insensitive).
+ document.addEventListener('keypress', e => {
+ if (e.target.matches('.dropdown [role="menu"] [role="menuitem"]')) {
+ const trigger = String.fromCharCode(e.which).toLowerCase();
+ const menu = e.target.closest('[role="menu"]');
- if (menu) {
- menuItems = $(menu).find('[role="menuitem"]');
- }
- if (menuItems && menuItems.length > 0) {
- if (getFocusEnd()) {
- foundMenuItem = menuItems[menuItems.length - 1];
- } else {
- // The first menu entry, pretty reasonable.
- foundMenuItem = menuItems[0];
- }
- }
- if (foundMenuItem) {
- shiftFocus(foundMenuItem);
- }
- });
- // Search for menu items by finding the first item that has
- // text starting with the typed character (case insensitive).
- $('.dropdown [role="menu"] [role="menuitem"]').keypress(function(e) {
- var trigger = String.fromCharCode(e.which || e.keyCode),
- menu = $(e.target).closest('[role="menu"]'),
- i = 0,
- menuItems = false,
- item,
- itemText;
+ if (!menu) {
+ return;
+ }
+ const menuItems = menu.querySelectorAll('[role="menuitem"]');
+ if (!menuItems) {
+ return;
+ }
- if (!menu) {
- return;
- }
- menuItems = $(menu).find('[role="menuitem"]');
- if (!menuItems) {
- return;
+ for (let i = 0; i < menuItems.length; i++) {
+ const item = menuItems[i];
+ const itemText = item.text.trim().toLowerCase();
+ if (itemText.indexOf(trigger) == 0) {
+ shiftFocus(item);
+ break;
}
+ }
+ }
+ });
- trigger = trigger.toLowerCase();
- for (i = 0; i < menuItems.length; i++) {
- item = $(menuItems[i]);
- itemText = item.text().trim().toLowerCase();
- if (itemText.indexOf(trigger) == 0) {
- shiftFocus(item);
+ // Keyboard navigation for arrow keys, home and end keys.
+ document.addEventListener('keydown', e => {
+ if (e.target.matches('.dropdown [role="menu"] [role="menuitem"]')) {
+ const trigger = e.which;
+ let next = false;
+ const menu = e.target.closest('[role="menu"]');
+
+ if (!menu) {
+ return;
+ }
+ const menuItems = menu.querySelectorAll('[role="menuitem"]');
+ if (!menuItems) {
+ return;
+ }
+ // Down key.
+ if (trigger == arrowDown) {
+ for (let i = 0; i < menuItems.length - 1; i++) {
+ if (menuItems[i] == e.target) {
+ next = menuItems[i + 1];
break;
}
}
- });
-
- // Keyboard navigation for arrow keys, home and end keys.
- $('.dropdown [role="menu"] [role="menuitem"]').keydown(function(e) {
- var trigger = e.which || e.keyCode,
- next = false,
- menu = $(e.target).closest('[role="menu"]'),
- i = 0,
- menuItems = false;
- if (!menu) {
- return;
- }
- menuItems = $(menu).find('[role="menuitem"]');
- if (!menuItems) {
- return;
- }
- // Down key.
- if (trigger == 40) {
- for (i = 0; i < menuItems.length - 1; i++) {
- if (menuItems[i] == e.target) {
- next = menuItems[i + 1];
- break;
- }
- }
- if (!next) {
- // Wrap to first item.
- next = menuItems[0];
- }
-
- } else if (trigger == 38) {
- // Up key.
- for (i = 1; i < menuItems.length; i++) {
- if (menuItems[i] == e.target) {
- next = menuItems[i - 1];
- break;
- }
- }
- if (!next) {
- // Wrap to last item.
- next = menuItems[menuItems.length - 1];
- }
-
- } else if (trigger == 36) {
- // Home key.
+ if (!next) {
+ // Wrap to first item.
next = menuItems[0];
+ }
- } else if (trigger == 35) {
- // End key.
+ } else if (trigger == arrowUp) {
+ // Up key.
+ for (let i = 1; i < menuItems.length; i++) {
+ if (menuItems[i] == e.target) {
+ next = menuItems[i - 1];
+ break;
+ }
+ }
+ if (!next) {
+ // Wrap to last item.
next = menuItems[menuItems.length - 1];
}
- // Variable next is set if we do want to act on the keypress.
- if (next) {
- e.preventDefault();
- shiftFocus(next);
- }
- return;
- });
- $('.dropdown').on('hidden.bs.dropdown', function(e) {
- // We need to focus on the menu trigger.
- var trigger = $(e.target).find('[data-toggle="dropdown"]');
- if (trigger) {
- shiftFocus(trigger);
- }
- });
- // After page load, focus on any element with special autofocus attribute.
- window.addEventListener("load", () => {
- const alerts = document.querySelectorAll('[data-aria-autofocus="true"][role="alert"]');
- Array.prototype.forEach.call(alerts, autofocusElement => {
- // According to the specification an role="alert" region is only read out on change to the content
- // of that region.
- autofocusElement.innerHTML += ' ';
- autofocusElement.removeAttribute('data-aria-autofocus');
- });
- });
+ } else if (trigger == home) {
+ // Home key.
+ next = menuItems[0];
+
+ } else if (trigger == end) {
+ // End key.
+ next = menuItems[menuItems.length - 1];
+ }
+ // Variable next is set if we do want to act on the keypress.
+ if (next) {
+ e.preventDefault();
+ shiftFocus(next);
+ }
+ return;
}
- };
-});
+ });
+
+ $('.dropdown').on('hidden.bs.dropdown', e => {
+ // We need to focus on the menu trigger.
+ const trigger = e.target.querySelector('[data-toggle="dropdown"]');
+ if (trigger) {
+ shiftFocus(trigger);
+ }
+ });
+};
+
+/**
+ * After page load, focus on any element with special autofocus attribute.
+ */
+const autoFocus = () => {
+ window.addEventListener("load", () => {
+ const alerts = document.querySelectorAll('[data-aria-autofocus="true"][role="alert"]');
+ Array.prototype.forEach.call(alerts, autofocusElement => {
+ // According to the specification an role="alert" region is only read out on change to the content
+ // of that region.
+ autofocusElement.innerHTML += ' ';
+ autofocusElement.removeAttribute('data-aria-autofocus');
+ });
+ });
+};
+
+export const init = () => {
+ dropdownFix();
+ autoFocus();
+};
diff --git a/theme/boost/amd/src/loader.js b/theme/boost/amd/src/loader.js
index a050c6f5187..c5b8ea582b7 100644
--- a/theme/boost/amd/src/loader.js
+++ b/theme/boost/amd/src/loader.js
@@ -25,7 +25,7 @@
*/
import $ from 'jquery';
-import Aria from './aria';
+import * as Aria from './aria';
import Bootstrap from './bootstrap/index';
import Pending from 'core/pending';
import Scroll from './scroll';