'use strict';
/**
 * @license Angular v12.0.0-next.0
 * (c) 2010-2020 Google LLC. https://angular.io/
 * License: MIT
 */
(function (factory) {
    typeof define === 'function' && define.amd ? define(factory) :
        factory();
}((function () {
    'use strict';
    /**
     * @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', function (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.
        var HTMLSlotElement = global.HTMLSlotElement;
        var 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]);
            }
        });
    });
})));