Merge branch 'MOODLE_37_MDL-65700' of https://github.com/golenkovm/moodle into MOODLE_37_STABLE

.eslintignore

@@ -65,6 +65,7 @@ lib/validateurlsyntax.php
 lib/amd/src/popper.js
 lib/geopattern-php/
 lib/php-jwt/
+lib/mdn-polyfills/
 media/player/videojs/amd/src/video-lazy.js
 media/player/videojs/amd/src/Youtube-lazy.js
 media/player/videojs/videojs/

.stylelintignore

@@ -66,6 +66,7 @@ lib/validateurlsyntax.php
 lib/amd/src/popper.js
 lib/geopattern-php/
 lib/php-jwt/
+lib/mdn-polyfills/
 media/player/videojs/amd/src/video-lazy.js
 media/player/videojs/amd/src/Youtube-lazy.js
 media/player/videojs/videojs/

lib/mdn-polyfills/readme_moodle.txt

@@ -0,0 +1,15 @@
+The steps are essentially:
+1) Install mdn-polyfills and url-polyfill packages
+
+    npm install --no-save mdn-polyfills url-polyfill
+
+2) Join them all together:
+
+    cd node_modules/mdn-polyfills
+    cat CustomEvent.* Element.* Function.* HTMLCanvasElement.* MouseEvent.* Node.prototype.* NodeList.* > ../../lib/mdn-polyfills/polyfill.js
+    cd ../url-polyfill/
+    cat url-polyfill.min.js >> ../../lib/mdn-polyfills/polyfill.js
+
+3) Uninstall the packages again
+
+    npm uninstall --no-save mdn-polyfills url-polyfill

lib/outputrequirementslib.php

@@ -1576,6 +1576,9 @@ class page_requirements_manager {
         // First the skip links.
         $output = $renderer->render_skip_links($this->skiplinks);
 
+        // Include the MDN Polyfill.
+        $output .= html_writer::script('', $this->js_fix_url('/lib/mdn-polyfills/polyfill.js'));
+
         // YUI3 JS needs to be loaded early in the body. It should be cached well by the browser.
         $output .= $this->get_yui3lib_headcode();
 

lib/thirdpartylibs.xml

@@ -330,4 +330,16 @@
     <version>5.0.0</version>
     <licenseversion>3-Clause</licenseversion>
   </library>
+  <library>
+    <location>mdn-polyfills</location>
+    <name>mdn-polyfill</name>
+    <license>MIT</license>
+    <version>5.19.0</version>
+  </library>
+  <library>
+    <location>mdn-polyfills</location>
+    <name>url-polyfill</name>
+    <license>MIT</license>
+    <version>1.1.8</version>
+  </library>
 </libraries>