angular-cn/packages/zone.js/lib/browser/shadydom.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('shadydom', (global: any, Zone: ZoneType, api: _ZonePrivate) => {
// https://github.com/angular/zone.js/issues/782
// in web components, shadydom will patch addEventListener/removeEventListener of
// Node.prototype and WindowPrototype, this will have conflict with zone.js
// so zone.js need to patch them again.
const HTMLSlotElement = global.HTMLSlotElement;
const prototypes = [
Object.getPrototypeOf(window), Node.prototype, Text.prototype, Element.prototype,
HTMLElement.prototype, HTMLSlotElement && HTMLSlotElement.prototype, DocumentFragment.prototype,
Document.prototype
];
prototypes.forEach(function(proto) {
if (proto && proto.hasOwnProperty('addEventListener')) {
proto[Zone.__symbol__('addEventListener')] = null;
proto[Zone.__symbol__('removeEventListener')] = null;
api.patchEventTarget(global, [proto]);
}
});
});