angular-cn/packages/zone.js/lib/browser/webapis-user-media.ts

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/**
* @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('getUserMedia', (global: any, Zone: any, api: _ZonePrivate) => {
function wrapFunctionArgs(func: Function, source?: string): Function {
return function() {
const args = Array.prototype.slice.call(arguments);
const wrappedArgs = api.bindArguments(args, source ? source : (func as any).name);
return func.apply(this, wrappedArgs);
};
}
let navigator = global['navigator'];
if (navigator && navigator.getUserMedia) {
navigator.getUserMedia = wrapFunctionArgs(navigator.getUserMedia);
}
});