zone.js
Version:
Zones for JavaScript
38 lines (35 loc) • 1.46 kB
JavaScript
/**
* @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
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
typeof define === 'function' && define.amd ? define(factory) :
(factory());
}(this, (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 pathc RTCPeerConnection.prototype.addEventListener again
RTCPeerConnection.prototype[addSymbol] = null;
RTCPeerConnection.prototype[removeSymbol] = null;
api.patchEventTarget(global, [RTCPeerConnection.prototype], { useGlobalCallback: false });
});
})));