'use strict';
/**
 * @license Angular v<unknown>
 * (c) 2010-2020 Google LLC. https://angular.io/
 * License: MIT
 */
/**
 * @license
 * Copyright Google LLC 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, Zone, api) => {
    // 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]);
        }
    });
});
