webapis-rtc-peer-connection.js 1.36 KB
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/**
* @license Angular v9.1.0-next.4+61.sha-e552591.with-local-changes
* (c) 2010-2020 Google LLC. https://angular.io/
* License: MIT
*/
(function (factory) {
    typeof define === 'function' && define.amd ? define(factory) :
        factory();
}((function () {
    'use strict';
    /**
     * @license
     * Copyright Google Inc. All Rights Reserved.
     *
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://angular.io/license
     */
    Zone.__load_patch('RTCPeerConnection', function (global, Zone, api) {
        var RTCPeerConnection = global['RTCPeerConnection'];
        if (!RTCPeerConnection) {
            return;
        }
        var addSymbol = api.symbol('addEventListener');
        var removeSymbol = api.symbol('removeEventListener');
        RTCPeerConnection.prototype.addEventListener = RTCPeerConnection.prototype[addSymbol];
        RTCPeerConnection.prototype.removeEventListener = RTCPeerConnection.prototype[removeSymbol];
        // RTCPeerConnection extends EventTarget, so we must clear the symbol
        // to allow patch RTCPeerConnection.prototype.addEventListener again
        RTCPeerConnection.prototype[addSymbol] = null;
        RTCPeerConnection.prototype[removeSymbol] = null;
        api.patchEventTarget(global, [RTCPeerConnection.prototype], { useG: false });
    });
})));