webcomponent: Fixed material imports and added required polyfills file

openvidu-components-angular/src/app/openvidu-webcomponent/openvidu-webcomponent.component.scss

@@ -1,33 +1,12 @@
 @use '@angular/material' as mat;
-@import '@angular/material/theming';
-
-// Plus imports for other components in your app.
-
-// Include the common styles for Angular Material. We include this here so that you only
-// have to load a single css file for Angular Material in your app.
-// Be sure that you only ever include this mixin once!
-// TODO(v15): As of v15 mat.legacy-core no longer includes default typography styles.
-//  The following line adds:
-//    1. Default typography styles for all components
-//    2. Styles for typography hierarchy classes (e.g. .mat-headline-1)
-//  If you specify typography styles for the components you use elsewhere, you should delete this line.
-//  If you don't need the default component typographies but still want the hierarchy styles,
-//  you can delete this line and instead use:
-//    `@include mat.legacy-typography-hierarchy(mat.define-typography-config());`
-@include mat.all-component-typographies();
 @include mat.core();
 
-// Define the palettes for your theme using the Material Design palettes available in palette.scss
-// (imported above). For each palette, you can optionally specify a default, lighter, and darker
-// hue. Available color palettes: https://material.io/design/color/
-$openvidu-components-primary: mat-palette($mat-blue-grey, 50, 300);
-$openvidu-components-accent: mat-palette($mat-amber, 500, 700, A100);
-
-// The warn palette is optional (defaults to red).
+// Define your custom palettes
+$openvidu-components-primary: mat.define-palette(mat.$blue-grey-palette, 500, 300);
+$openvidu-components-accent: mat.define-palette(mat.$amber-palette, 500, 700, A100);
 $openvidu-components-warn: mat.define-palette(mat.$red-palette);
 
-// Create the theme object. A theme consists of configurations for individual
-// theming systems such as "color" or "typography".
+// Define the theme
 $openvidu-components-theme: mat.define-light-theme(
 	(
 		color: (
@@ -38,11 +17,15 @@ $openvidu-components-theme: mat.define-light-theme(
 	)
 );
 
-// Include theme styles for core and each component used in your app.
-// Alternatively, you can import and @include the theme mixins for each component
-// that you are using.
+// Include the non-legacy themes for the components
 @include mat.all-component-themes($openvidu-components-theme);
 
+// If you have custom typography configurations, include them as well
+@include mat.all-component-typographies($openvidu-components-theme);
+
+// If you need to adjust density, include it as well
+// @include mat.all-component-density-styles($openvidu-components-theme);
+
 @font-face {
 	font-family: 'Material Icons';
 	font-style: normal;

openvidu-components-angular/src/polyfills.ts

@@ -0,0 +1,63 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE10 and IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js';  // Included with Angular CLI.
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */