angular-cn/packages/zone.js/lib/browser/shadydom.ts

25 lines
1.1 KiB
TypeScript

/**
* @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 windowPrototype = Object.getPrototypeOf(window);
if (windowPrototype && windowPrototype.hasOwnProperty('addEventListener')) {
(windowPrototype as any)[Zone.__symbol__('addEventListener')] = null;
(windowPrototype as any)[Zone.__symbol__('removeEventListener')] = null;
api.patchEventTarget(global, [windowPrototype]);
}
if (Node.prototype.hasOwnProperty('addEventListener')) {
(Node.prototype as any)[Zone.__symbol__('addEventListener')] = null;
(Node.prototype as any)[Zone.__symbol__('removeEventListener')] = null;
api.patchEventTarget(global, [Node.prototype]);
}
});