27 lines
		
	
	
		
			1021 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			1021 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google Inc. All Rights Reserved.
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 *
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 * Use of this source code is governed by an MIT-style license that can be
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 * found in the LICENSE file at https://angular.io/license
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 */
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Zone.__load_patch('RTCPeerConnection', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
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  const RTCPeerConnection = global['RTCPeerConnection'];
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  if (!RTCPeerConnection) {
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    return;
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  }
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  const addSymbol = api.symbol('addEventListener');
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  const removeSymbol = api.symbol('removeEventListener');
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  RTCPeerConnection.prototype.addEventListener = RTCPeerConnection.prototype[addSymbol];
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  RTCPeerConnection.prototype.removeEventListener = RTCPeerConnection.prototype[removeSymbol];
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  // RTCPeerConnection extends EventTarget, so we must clear the symbol
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  // to allow patch RTCPeerConnection.prototype.addEventListener again
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  RTCPeerConnection.prototype[addSymbol] = null;
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  RTCPeerConnection.prototype[removeSymbol] = null;
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  api.patchEventTarget(global, [RTCPeerConnection.prototype], {useG: false});
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});
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