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+/**
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+ * This file includes polyfills needed by Angular and is loaded before the app.
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+ * You can add your own extra polyfills to this file.
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+ *
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+ * This file is divided into 2 sections:
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+ * 1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
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+ * 2. Application imports. Files imported after ZoneJS that should be loaded before your main
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+ * file.
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+ *
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+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
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+ * automatically update themselves. This includes recent versions of Safari, Chrome (including
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+ * Opera), Edge on the desktop, and iOS and Chrome on mobile.
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+ *
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+ * Learn more in https://angular.io/guide/browser-support
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+ */
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+
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+/***************************************************************************************************
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+ * BROWSER POLYFILLS
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+ */
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+
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+/**
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+ * By default, zone.js will patch all possible macroTask and DomEvents
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+ * user can disable parts of macroTask/DomEvents patch by setting following flags
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+ * because those flags need to be set before `zone.js` being loaded, and webpack
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+ * will put import in the top of bundle, so user need to create a separate file
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+ * in this directory (for example: zone-flags.ts), and put the following flags
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+ * into that file, and then add the following code before importing zone.js.
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+ * import './zone-flags';
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+ *
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+ * The flags allowed in zone-flags.ts are listed here.
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+ *
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+ * The following flags will work for all browsers.
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+ *
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+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
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+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
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+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
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+ *
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+ * in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
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+ * with the following flag, it will bypass `zone.js` patch for IE/Edge
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+ *
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+ * (window as any).__Zone_enable_cross_context_check = true;
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+ *
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+ */
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+
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+import './zone-flags';
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+
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+/***************************************************************************************************
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+ * Zone JS is required by default for Angular itself.
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+ */
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+import 'zone.js'; // Included with Angular CLI.
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+
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+
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+/***************************************************************************************************
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+ * APPLICATION IMPORTS
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+ */
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