26 lines
857 B
TypeScript
26 lines
857 B
TypeScript
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/**
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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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function initAddEventListeners() {
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const HTMLSlotElement = (window as any).HTMLSlotElement;
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const prototypes = [
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Object.getPrototypeOf(window), Node.prototype, Text.prototype, Element.prototype,
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Object.getPrototypeOf(window), HTMLElement.prototype,
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HTMLSlotElement && HTMLSlotElement.prototype, DocumentFragment.prototype, Document.prototype
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];
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prototypes.forEach(proto => {
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proto.addEventListener = function(eventName: string, callback: any) {
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this.callback = callback;
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};
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proto.dispatchEvent = function(event: any) {
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this.callback && this.callback.call(this, event);
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};
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});
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}
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initAddEventListeners();
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