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View File Name : polyfills-es2015.bbbafe2cd66693766fe9.js

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/***/ "./node_modules/web-animations-js/web-animations.min.js":
/*!**************************************************************!*\
  !*** ./node_modules/web-animations-js/web-animations.min.js ***!
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/*! no static exports found */
/***/ (function(module, exports) {

// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
//     You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//     See the License for the specific language governing permissions and
// limitations under the License.

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//# sourceMappingURL=web-animations.min.js.map

/***/ }),

/***/ "./node_modules/zone.js/dist/zone-evergreen.js":
/*!*****************************************************!*\
  !*** ./node_modules/zone.js/dist/zone-evergreen.js ***!
  \*****************************************************/
/*! no static exports found */
/***/ (function(module, exports) {

/**
* @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
*/
/**
 * @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
 */
const Zone$1 = (function (global) {
    const performance = global['performance'];
    function mark(name) {
        performance && performance['mark'] && performance['mark'](name);
    }
    function performanceMeasure(name, label) {
        performance && performance['measure'] && performance['measure'](name, label);
    }
    mark('Zone');
    const checkDuplicate = global[('__zone_symbol__forceDuplicateZoneCheck')] === true;
    if (global['Zone']) {
        // if global['Zone'] already exists (maybe zone.js was already loaded or
        // some other lib also registered a global object named Zone), we may need
        // to throw an error, but sometimes user may not want this error.
        // For example,
        // we have two web pages, page1 includes zone.js, page2 doesn't.
        // and the 1st time user load page1 and page2, everything work fine,
        // but when user load page2 again, error occurs because global['Zone'] already exists.
        // so we add a flag to let user choose whether to throw this error or not.
        // By default, if existing Zone is from zone.js, we will not throw the error.
        if (checkDuplicate || typeof global['Zone'].__symbol__ !== 'function') {
            throw new Error('Zone already loaded.');
        }
        else {
            return global['Zone'];
        }
    }
    class Zone {
        constructor(parent, zoneSpec) {
            this._parent = parent;
            this._name = zoneSpec ? zoneSpec.name || 'unnamed' : '<root>';
            this._properties = zoneSpec && zoneSpec.properties || {};
            this._zoneDelegate =
                new ZoneDelegate(this, this._parent && this._parent._zoneDelegate, zoneSpec);
        }
        static assertZonePatched() {
            if (global['Promise'] !== patches['ZoneAwarePromise']) {
                throw new Error('Zone.js has detected that ZoneAwarePromise `(window|global).Promise` ' +
                    'has been overwritten.\n' +
                    'Most likely cause is that a Promise polyfill has been loaded ' +
                    'after Zone.js (Polyfilling Promise api is not necessary when zone.js is loaded. ' +
                    'If you must load one, do so before loading zone.js.)');
            }
        }
        static get root() {
            let zone = Zone.current;
            while (zone.parent) {
                zone = zone.parent;
            }
            return zone;
        }
        static get current() {
            return _currentZoneFrame.zone;
        }
        static get currentTask() {
            return _currentTask;
        }
        static __load_patch(name, fn) {
            if (patches.hasOwnProperty(name)) {
                if (checkDuplicate) {
                    throw Error('Already loaded patch: ' + name);
                }
            }
            else if (!global['__Zone_disable_' + name]) {
                const perfName = 'Zone:' + name;
                mark(perfName);
                patches[name] = fn(global, Zone, _api);
                performanceMeasure(perfName, perfName);
            }
        }
        get parent() {
            return this._parent;
        }
        get name() {
            return this._name;
        }
        get(key) {
            const zone = this.getZoneWith(key);
            if (zone)
                return zone._properties[key];
        }
        getZoneWith(key) {
            let current = this;
            while (current) {
                if (current._properties.hasOwnProperty(key)) {
                    return current;
                }
                current = current._parent;
            }
            return null;
        }
        fork(zoneSpec) {
            if (!zoneSpec)
                throw new Error('ZoneSpec required!');
            return this._zoneDelegate.fork(this, zoneSpec);
        }
        wrap(callback, source) {
            if (typeof callback !== 'function') {
                throw new Error('Expecting function got: ' + callback);
            }
            const _callback = this._zoneDelegate.intercept(this, callback, source);
            const zone = this;
            return function () {
                return zone.runGuarded(_callback, this, arguments, source);
            };
        }
        run(callback, applyThis, applyArgs, source) {
            _currentZoneFrame = { parent: _currentZoneFrame, zone: this };
            try {
                return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);
            }
            finally {
                _currentZoneFrame = _currentZoneFrame.parent;
            }
        }
        runGuarded(callback, applyThis = null, applyArgs, source) {
            _currentZoneFrame = { parent: _currentZoneFrame, zone: this };
            try {
                try {
                    return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);
                }
                catch (error) {
                    if (this._zoneDelegate.handleError(this, error)) {
                        throw error;
                    }
                }
            }
            finally {
                _currentZoneFrame = _currentZoneFrame.parent;
            }
        }
        runTask(task, applyThis, applyArgs) {
            if (task.zone != this) {
                throw new Error('A task can only be run in the zone of creation! (Creation: ' +
                    (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');
            }
            // https://github.com/angular/zone.js/issues/778, sometimes eventTask
            // will run in notScheduled(canceled) state, we should not try to
            // run such kind of task but just return
            if (task.state === notScheduled && (task.type === eventTask || task.type === macroTask)) {
                return;
            }
            const reEntryGuard = task.state != running;
            reEntryGuard && task._transitionTo(running, scheduled);
            task.runCount++;
            const previousTask = _currentTask;
            _currentTask = task;
            _currentZoneFrame = { parent: _currentZoneFrame, zone: this };
            try {
                if (task.type == macroTask && task.data && !task.data.isPeriodic) {
                    task.cancelFn = undefined;
                }
                try {
                    return this._zoneDelegate.invokeTask(this, task, applyThis, applyArgs);
                }
                catch (error) {
                    if (this._zoneDelegate.handleError(this, error)) {
                        throw error;
                    }
                }
            }
            finally {
                // if the task's state is notScheduled or unknown, then it has already been cancelled
                // we should not reset the state to scheduled
                if (task.state !== notScheduled && task.state !== unknown) {
                    if (task.type == eventTask || (task.data && task.data.isPeriodic)) {
                        reEntryGuard && task._transitionTo(scheduled, running);
                    }
                    else {
                        task.runCount = 0;
                        this._updateTaskCount(task, -1);
                        reEntryGuard &&
                            task._transitionTo(notScheduled, running, notScheduled);
                    }
                }
                _currentZoneFrame = _currentZoneFrame.parent;
                _currentTask = previousTask;
            }
        }
        scheduleTask(task) {
            if (task.zone && task.zone !== this) {
                // check if the task was rescheduled, the newZone
                // should not be the children of the original zone
                let newZone = this;
                while (newZone) {
                    if (newZone === task.zone) {
                        throw Error(`can not reschedule task to ${this.name} which is descendants of the original zone ${task.zone.name}`);
                    }
                    newZone = newZone.parent;
                }
            }
            task._transitionTo(scheduling, notScheduled);
            const zoneDelegates = [];
            task._zoneDelegates = zoneDelegates;
            task._zone = this;
            try {
                task = this._zoneDelegate.scheduleTask(this, task);
            }
            catch (err) {
                // should set task's state to unknown when scheduleTask throw error
                // because the err may from reschedule, so the fromState maybe notScheduled
                task._transitionTo(unknown, scheduling, notScheduled);
                // TODO: @JiaLiPassion, should we check the result from handleError?
                this._zoneDelegate.handleError(this, err);
                throw err;
            }
            if (task._zoneDelegates === zoneDelegates) {
                // we have to check because internally the delegate can reschedule the task.
                this._updateTaskCount(task, 1);
            }
            if (task.state == scheduling) {
                task._transitionTo(scheduled, scheduling);
            }
            return task;
        }
        scheduleMicroTask(source, callback, data, customSchedule) {
            return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, undefined));
        }
        scheduleMacroTask(source, callback, data, customSchedule, customCancel) {
            return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel));
        }
        scheduleEventTask(source, callback, data, customSchedule, customCancel) {
            return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel));
        }
        cancelTask(task) {
            if (task.zone != this)
                throw new Error('A task can only be cancelled in the zone of creation! (Creation: ' +
                    (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');
            task._transitionTo(canceling, scheduled, running);
            try {
                this._zoneDelegate.cancelTask(this, task);
            }
            catch (err) {
                // if error occurs when cancelTask, transit the state to unknown
                task._transitionTo(unknown, canceling);
                this._zoneDelegate.handleError(this, err);
                throw err;
            }
            this._updateTaskCount(task, -1);
            task._transitionTo(notScheduled, canceling);
            task.runCount = 0;
            return task;
        }
        _updateTaskCount(task, count) {
            const zoneDelegates = task._zoneDelegates;
            if (count == -1) {
                task._zoneDelegates = null;
            }
            for (let i = 0; i < zoneDelegates.length; i++) {
                zoneDelegates[i]._updateTaskCount(task.type, count);
            }
        }
    }
    Zone.__symbol__ = __symbol__;
    const DELEGATE_ZS = {
        name: '',
        onHasTask: (delegate, _, target, hasTaskState) => delegate.hasTask(target, hasTaskState),
        onScheduleTask: (delegate, _, target, task) => delegate.scheduleTask(target, task),
        onInvokeTask: (delegate, _, target, task, applyThis, applyArgs) => delegate.invokeTask(target, task, applyThis, applyArgs),
        onCancelTask: (delegate, _, target, task) => delegate.cancelTask(target, task)
    };
    class ZoneDelegate {
        constructor(zone, parentDelegate, zoneSpec) {
            this._taskCounts = { 'microTask': 0, 'macroTask': 0, 'eventTask': 0 };
            this.zone = zone;
            this._parentDelegate = parentDelegate;
            this._forkZS = zoneSpec && (zoneSpec && zoneSpec.onFork ? zoneSpec : parentDelegate._forkZS);
            this._forkDlgt = zoneSpec && (zoneSpec.onFork ? parentDelegate : parentDelegate._forkDlgt);
            this._forkCurrZone = zoneSpec && (zoneSpec.onFork ? this.zone : parentDelegate.zone);
            this._interceptZS =
                zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS);
            this._interceptDlgt =
                zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt);
            this._interceptCurrZone =
                zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate.zone);
            this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS);
            this._invokeDlgt =
                zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt);
            this._invokeCurrZone = zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate.zone);
            this._handleErrorZS =
                zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS);
            this._handleErrorDlgt =
                zoneSpec && (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt);
            this._handleErrorCurrZone =
                zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate.zone);
            this._scheduleTaskZS =
                zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS);
            this._scheduleTaskDlgt = zoneSpec &&
                (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt);
            this._scheduleTaskCurrZone =
                zoneSpec && (zoneSpec.onScheduleTask ? this.zone : parentDelegate.zone);
            this._invokeTaskZS =
                zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS);
            this._invokeTaskDlgt =
                zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt);
            this._invokeTaskCurrZone =
                zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate.zone);
            this._cancelTaskZS =
                zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS);
            this._cancelTaskDlgt =
                zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt);
            this._cancelTaskCurrZone =
                zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate.zone);
            this._hasTaskZS = null;
            this._hasTaskDlgt = null;
            this._hasTaskDlgtOwner = null;
            this._hasTaskCurrZone = null;
            const zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask;
            const parentHasTask = parentDelegate && parentDelegate._hasTaskZS;
            if (zoneSpecHasTask || parentHasTask) {
                // If we need to report hasTask, than this ZS needs to do ref counting on tasks. In such
                // a case all task related interceptors must go through this ZD. We can't short circuit it.
                this._hasTaskZS = zoneSpecHasTask ? zoneSpec : DELEGATE_ZS;
                this._hasTaskDlgt = parentDelegate;
                this._hasTaskDlgtOwner = this;
                this._hasTaskCurrZone = zone;
                if (!zoneSpec.onScheduleTask) {
                    this._scheduleTaskZS = DELEGATE_ZS;
                    this._scheduleTaskDlgt = parentDelegate;
                    this._scheduleTaskCurrZone = this.zone;
                }
                if (!zoneSpec.onInvokeTask) {
                    this._invokeTaskZS = DELEGATE_ZS;
                    this._invokeTaskDlgt = parentDelegate;
                    this._invokeTaskCurrZone = this.zone;
                }
                if (!zoneSpec.onCancelTask) {
                    this._cancelTaskZS = DELEGATE_ZS;
                    this._cancelTaskDlgt = parentDelegate;
                    this._cancelTaskCurrZone = this.zone;
                }
            }
        }
        fork(targetZone, zoneSpec) {
            return this._forkZS ? this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) :
                new Zone(targetZone, zoneSpec);
        }
        intercept(targetZone, callback, source) {
            return this._interceptZS ?
                this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) :
                callback;
        }
        invoke(targetZone, callback, applyThis, applyArgs, source) {
            return this._invokeZS ? this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) :
                callback.apply(applyThis, applyArgs);
        }
        handleError(targetZone, error) {
            return this._handleErrorZS ?
                this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) :
                true;
        }
        scheduleTask(targetZone, task) {
            let returnTask = task;
            if (this._scheduleTaskZS) {
                if (this._hasTaskZS) {
                    returnTask._zoneDelegates.push(this._hasTaskDlgtOwner);
                }
                returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task);
                if (!returnTask)
                    returnTask = task;
            }
            else {
                if (task.scheduleFn) {
                    task.scheduleFn(task);
                }
                else if (task.type == microTask) {
                    scheduleMicroTask(task);
                }
                else {
                    throw new Error('Task is missing scheduleFn.');
                }
            }
            return returnTask;
        }
        invokeTask(targetZone, task, applyThis, applyArgs) {
            return this._invokeTaskZS ? this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) :
                task.callback.apply(applyThis, applyArgs);
        }
        cancelTask(targetZone, task) {
            let value;
            if (this._cancelTaskZS) {
                value = this._cancelTaskZS.onCancelTask(this._cancelTaskDlgt, this._cancelTaskCurrZone, targetZone, task);
            }
            else {
                if (!task.cancelFn) {
                    throw Error('Task is not cancelable');
                }
                value = task.cancelFn(task);
            }
            return value;
        }
        hasTask(targetZone, isEmpty) {
            // hasTask should not throw error so other ZoneDelegate
            // can still trigger hasTask callback
            try {
                this._hasTaskZS &&
                    this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty);
            }
            catch (err) {
                this.handleError(targetZone, err);
            }
        }
        _updateTaskCount(type, count) {
            const counts = this._taskCounts;
            const prev = counts[type];
            const next = counts[type] = prev + count;
            if (next < 0) {
                throw new Error('More tasks executed then were scheduled.');
            }
            if (prev == 0 || next == 0) {
                const isEmpty = {
                    microTask: counts['microTask'] > 0,
                    macroTask: counts['macroTask'] > 0,
                    eventTask: counts['eventTask'] > 0,
                    change: type
                };
                this.hasTask(this.zone, isEmpty);
            }
        }
    }
    class ZoneTask {
        constructor(type, source, callback, options, scheduleFn, cancelFn) {
            this._zone = null;
            this.runCount = 0;
            this._zoneDelegates = null;
            this._state = 'notScheduled';
            this.type = type;
            this.source = source;
            this.data = options;
            this.scheduleFn = scheduleFn;
            this.cancelFn = cancelFn;
            this.callback = callback;
            const self = this;
            // TODO: @JiaLiPassion options should have interface
            if (type === eventTask && options && options.useG) {
                this.invoke = ZoneTask.invokeTask;
            }
            else {
                this.invoke = function () {
                    return ZoneTask.invokeTask.call(global, self, this, arguments);
                };
            }
        }
        static invokeTask(task, target, args) {
            if (!task) {
                task = this;
            }
            _numberOfNestedTaskFrames++;
            try {
                task.runCount++;
                return task.zone.runTask(task, target, args);
            }
            finally {
                if (_numberOfNestedTaskFrames == 1) {
                    drainMicroTaskQueue();
                }
                _numberOfNestedTaskFrames--;
            }
        }
        get zone() {
            return this._zone;
        }
        get state() {
            return this._state;
        }
        cancelScheduleRequest() {
            this._transitionTo(notScheduled, scheduling);
        }
        _transitionTo(toState, fromState1, fromState2) {
            if (this._state === fromState1 || this._state === fromState2) {
                this._state = toState;
                if (toState == notScheduled) {
                    this._zoneDelegates = null;
                }
            }
            else {
                throw new Error(`${this.type} '${this.source}': can not transition to '${toState}', expecting state '${fromState1}'${fromState2 ? ' or \'' + fromState2 + '\'' : ''}, was '${this._state}'.`);
            }
        }
        toString() {
            if (this.data && typeof this.data.handleId !== 'undefined') {
                return this.data.handleId.toString();
            }
            else {
                return Object.prototype.toString.call(this);
            }
        }
        // add toJSON method to prevent cyclic error when
        // call JSON.stringify(zoneTask)
        toJSON() {
            return {
                type: this.type,
                state: this.state,
                source: this.source,
                zone: this.zone.name,
                runCount: this.runCount
            };
        }
    }
    //////////////////////////////////////////////////////
    //////////////////////////////////////////////////////
    ///  MICROTASK QUEUE
    //////////////////////////////////////////////////////
    //////////////////////////////////////////////////////
    const symbolSetTimeout = __symbol__('setTimeout');
    const symbolPromise = __symbol__('Promise');
    const symbolThen = __symbol__('then');
    let _microTaskQueue = [];
    let _isDrainingMicrotaskQueue = false;
    let nativeMicroTaskQueuePromise;
    function scheduleMicroTask(task) {
        // if we are not running in any task, and there has not been anything scheduled
        // we must bootstrap the initial task creation by manually scheduling the drain
        if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) {
            // We are not running in Task, so we need to kickstart the microtask queue.
            if (!nativeMicroTaskQueuePromise) {
                if (global[symbolPromise]) {
                    nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0);
                }
            }
            if (nativeMicroTaskQueuePromise) {
                let nativeThen = nativeMicroTaskQueuePromise[symbolThen];
                if (!nativeThen) {
                    // native Promise is not patchable, we need to use `then` directly
                    // issue 1078
                    nativeThen = nativeMicroTaskQueuePromise['then'];
                }
                nativeThen.call(nativeMicroTaskQueuePromise, drainMicroTaskQueue);
            }
            else {
                global[symbolSetTimeout](drainMicroTaskQueue, 0);
            }
        }
        task && _microTaskQueue.push(task);
    }
    function drainMicroTaskQueue() {
        if (!_isDrainingMicrotaskQueue) {
            _isDrainingMicrotaskQueue = true;
            while (_microTaskQueue.length) {
                const queue = _microTaskQueue;
                _microTaskQueue = [];
                for (let i = 0; i < queue.length; i++) {
                    const task = queue[i];
                    try {
                        task.zone.runTask(task, null, null);
                    }
                    catch (error) {
                        _api.onUnhandledError(error);
                    }
                }
            }
            _api.microtaskDrainDone();
            _isDrainingMicrotaskQueue = false;
        }
    }
    //////////////////////////////////////////////////////
    //////////////////////////////////////////////////////
    ///  BOOTSTRAP
    //////////////////////////////////////////////////////
    //////////////////////////////////////////////////////
    const NO_ZONE = { name: 'NO ZONE' };
    const notScheduled = 'notScheduled', scheduling = 'scheduling', scheduled = 'scheduled', running = 'running', canceling = 'canceling', unknown = 'unknown';
    const microTask = 'microTask', macroTask = 'macroTask', eventTask = 'eventTask';
    const patches = {};
    const _api = {
        symbol: __symbol__,
        currentZoneFrame: () => _currentZoneFrame,
        onUnhandledError: noop,
        microtaskDrainDone: noop,
        scheduleMicroTask: scheduleMicroTask,
        showUncaughtError: () => !Zone[__symbol__('ignoreConsoleErrorUncaughtError')],
        patchEventTarget: () => [],
        patchOnProperties: noop,
        patchMethod: () => noop,
        bindArguments: () => [],
        patchThen: () => noop,
        patchMacroTask: () => noop,
        setNativePromise: (NativePromise) => {
            // sometimes NativePromise.resolve static function
            // is not ready yet, (such as core-js/es6.promise)
            // so we need to check here.
            if (NativePromise && typeof NativePromise.resolve === 'function') {
                nativeMicroTaskQueuePromise = NativePromise.resolve(0);
            }
        },
        patchEventPrototype: () => noop,
        isIEOrEdge: () => false,
        getGlobalObjects: () => undefined,
        ObjectDefineProperty: () => noop,
        ObjectGetOwnPropertyDescriptor: () => undefined,
        ObjectCreate: () => undefined,
        ArraySlice: () => [],
        patchClass: () => noop,
        wrapWithCurrentZone: () => noop,
        filterProperties: () => [],
        attachOriginToPatched: () => noop,
        _redefineProperty: () => noop,
        patchCallbacks: () => noop
    };
    let _currentZoneFrame = { parent: null, zone: new Zone(null, null) };
    let _currentTask = null;
    let _numberOfNestedTaskFrames = 0;
    function noop() { }
    function __symbol__(name) {
        return '__zone_symbol__' + name;
    }
    performanceMeasure('Zone', 'Zone');
    return global['Zone'] = Zone;
})(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);

/**
 * @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('ZoneAwarePromise', (global, Zone, api) => {
    const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
    const ObjectDefineProperty = Object.defineProperty;
    function readableObjectToString(obj) {
        if (obj && obj.toString === Object.prototype.toString) {
            const className = obj.constructor && obj.constructor.name;
            return (className ? className : '') + ': ' + JSON.stringify(obj);
        }
        return obj ? obj.toString() : Object.prototype.toString.call(obj);
    }
    const __symbol__ = api.symbol;
    const _uncaughtPromiseErrors = [];
    const symbolPromise = __symbol__('Promise');
    const symbolThen = __symbol__('then');
    const creationTrace = '__creationTrace__';
    api.onUnhandledError = (e) => {
        if (api.showUncaughtError()) {
            const rejection = e && e.rejection;
            if (rejection) {
                console.error('Unhandled Promise rejection:', rejection instanceof Error ? rejection.message : rejection, '; Zone:', e.zone.name, '; Task:', e.task && e.task.source, '; Value:', rejection, rejection instanceof Error ? rejection.stack : undefined);
            }
            else {
                console.error(e);
            }
        }
    };
    api.microtaskDrainDone = () => {
        while (_uncaughtPromiseErrors.length) {
            while (_uncaughtPromiseErrors.length) {
                const uncaughtPromiseError = _uncaughtPromiseErrors.shift();
                try {
                    uncaughtPromiseError.zone.runGuarded(() => {
                        throw uncaughtPromiseError;
                    });
                }
                catch (error) {
                    handleUnhandledRejection(error);
                }
            }
        }
    };
    const UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL = __symbol__('unhandledPromiseRejectionHandler');
    function handleUnhandledRejection(e) {
        api.onUnhandledError(e);
        try {
            const handler = Zone[UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL];
            if (handler && typeof handler === 'function') {
                handler.call(this, e);
            }
        }
        catch (err) {
        }
    }
    function isThenable(value) {
        return value && value.then;
    }
    function forwardResolution(value) {
        return value;
    }
    function forwardRejection(rejection) {
        return ZoneAwarePromise.reject(rejection);
    }
    const symbolState = __symbol__('state');
    const symbolValue = __symbol__('value');
    const symbolFinally = __symbol__('finally');
    const symbolParentPromiseValue = __symbol__('parentPromiseValue');
    const symbolParentPromiseState = __symbol__('parentPromiseState');
    const source = 'Promise.then';
    const UNRESOLVED = null;
    const RESOLVED = true;
    const REJECTED = false;
    const REJECTED_NO_CATCH = 0;
    function makeResolver(promise, state) {
        return (v) => {
            try {
                resolvePromise(promise, state, v);
            }
            catch (err) {
                resolvePromise(promise, false, err);
            }
            // Do not return value or you will break the Promise spec.
        };
    }
    const once = function () {
        let wasCalled = false;
        return function wrapper(wrappedFunction) {
            return function () {
                if (wasCalled) {
                    return;
                }
                wasCalled = true;
                wrappedFunction.apply(null, arguments);
            };
        };
    };
    const TYPE_ERROR = 'Promise resolved with itself';
    const CURRENT_TASK_TRACE_SYMBOL = __symbol__('currentTaskTrace');
    // Promise Resolution
    function resolvePromise(promise, state, value) {
        const onceWrapper = once();
        if (promise === value) {
            throw new TypeError(TYPE_ERROR);
        }
        if (promise[symbolState] === UNRESOLVED) {
            // should only get value.then once based on promise spec.
            let then = null;
            try {
                if (typeof value === 'object' || typeof value === 'function') {
                    then = value && value.then;
                }
            }
            catch (err) {
                onceWrapper(() => {
                    resolvePromise(promise, false, err);
                })();
                return promise;
            }
            // if (value instanceof ZoneAwarePromise) {
            if (state !== REJECTED && value instanceof ZoneAwarePromise &&
                value.hasOwnProperty(symbolState) && value.hasOwnProperty(symbolValue) &&
                value[symbolState] !== UNRESOLVED) {
                clearRejectedNoCatch(value);
                resolvePromise(promise, value[symbolState], value[symbolValue]);
            }
            else if (state !== REJECTED && typeof then === 'function') {
                try {
                    then.call(value, onceWrapper(makeResolver(promise, state)), onceWrapper(makeResolver(promise, false)));
                }
                catch (err) {
                    onceWrapper(() => {
                        resolvePromise(promise, false, err);
                    })();
                }
            }
            else {
                promise[symbolState] = state;
                const queue = promise[symbolValue];
                promise[symbolValue] = value;
                if (promise[symbolFinally] === symbolFinally) {
                    // the promise is generated by Promise.prototype.finally
                    if (state === RESOLVED) {
                        // the state is resolved, should ignore the value
                        // and use parent promise value
                        promise[symbolState] = promise[symbolParentPromiseState];
                        promise[symbolValue] = promise[symbolParentPromiseValue];
                    }
                }
                // record task information in value when error occurs, so we can
                // do some additional work such as render longStackTrace
                if (state === REJECTED && value instanceof Error) {
                    // check if longStackTraceZone is here
                    const trace = Zone.currentTask && Zone.currentTask.data &&
                        Zone.currentTask.data[creationTrace];
                    if (trace) {
                        // only keep the long stack trace into error when in longStackTraceZone
                        ObjectDefineProperty(value, CURRENT_TASK_TRACE_SYMBOL, { configurable: true, enumerable: false, writable: true, value: trace });
                    }
                }
                for (let i = 0; i < queue.length;) {
                    scheduleResolveOrReject(promise, queue[i++], queue[i++], queue[i++], queue[i++]);
                }
                if (queue.length == 0 && state == REJECTED) {
                    promise[symbolState] = REJECTED_NO_CATCH;
                    try {
                        // try to print more readable error log
                        throw new Error('Uncaught (in promise): ' + readableObjectToString(value) +
                            (value && value.stack ? '\n' + value.stack : ''));
                    }
                    catch (err) {
                        const error = err;
                        error.rejection = value;
                        error.promise = promise;
                        error.zone = Zone.current;
                        error.task = Zone.currentTask;
                        _uncaughtPromiseErrors.push(error);
                        api.scheduleMicroTask(); // to make sure that it is running
                    }
                }
            }
        }
        // Resolving an already resolved promise is a noop.
        return promise;
    }
    const REJECTION_HANDLED_HANDLER = __symbol__('rejectionHandledHandler');
    function clearRejectedNoCatch(promise) {
        if (promise[symbolState] === REJECTED_NO_CATCH) {
            // if the promise is rejected no catch status
            // and queue.length > 0, means there is a error handler
            // here to handle the rejected promise, we should trigger
            // windows.rejectionhandled eventHandler or nodejs rejectionHandled
            // eventHandler
            try {
                const handler = Zone[REJECTION_HANDLED_HANDLER];
                if (handler && typeof handler === 'function') {
                    handler.call(this, { rejection: promise[symbolValue], promise: promise });
                }
            }
            catch (err) {
            }
            promise[symbolState] = REJECTED;
            for (let i = 0; i < _uncaughtPromiseErrors.length; i++) {
                if (promise === _uncaughtPromiseErrors[i].promise) {
                    _uncaughtPromiseErrors.splice(i, 1);
                }
            }
        }
    }
    function scheduleResolveOrReject(promise, zone, chainPromise, onFulfilled, onRejected) {
        clearRejectedNoCatch(promise);
        const promiseState = promise[symbolState];
        const delegate = promiseState ?
            (typeof onFulfilled === 'function') ? onFulfilled : forwardResolution :
            (typeof onRejected === 'function') ? onRejected : forwardRejection;
        zone.scheduleMicroTask(source, () => {
            try {
                const parentPromiseValue = promise[symbolValue];
                const isFinallyPromise = chainPromise && symbolFinally === chainPromise[symbolFinally];
                if (isFinallyPromise) {
                    // if the promise is generated from finally call, keep parent promise's state and value
                    chainPromise[symbolParentPromiseValue] = parentPromiseValue;
                    chainPromise[symbolParentPromiseState] = promiseState;
                }
                // should not pass value to finally callback
                const value = zone.run(delegate, undefined, isFinallyPromise && delegate !== forwardRejection && delegate !== forwardResolution ?
                    [] :
                    [parentPromiseValue]);
                resolvePromise(chainPromise, true, value);
            }
            catch (error) {
                // if error occurs, should always return this error
                resolvePromise(chainPromise, false, error);
            }
        }, chainPromise);
    }
    const ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }';
    class ZoneAwarePromise {
        constructor(executor) {
            const promise = this;
            if (!(promise instanceof ZoneAwarePromise)) {
                throw new Error('Must be an instanceof Promise.');
            }
            promise[symbolState] = UNRESOLVED;
            promise[symbolValue] = []; // queue;
            try {
                executor && executor(makeResolver(promise, RESOLVED), makeResolver(promise, REJECTED));
            }
            catch (error) {
                resolvePromise(promise, false, error);
            }
        }
        static toString() {
            return ZONE_AWARE_PROMISE_TO_STRING;
        }
        static resolve(value) {
            return resolvePromise(new this(null), RESOLVED, value);
        }
        static reject(error) {
            return resolvePromise(new this(null), REJECTED, error);
        }
        static race(values) {
            let resolve;
            let reject;
            let promise = new this((res, rej) => {
                resolve = res;
                reject = rej;
            });
            function onResolve(value) {
                resolve(value);
            }
            function onReject(error) {
                reject(error);
            }
            for (let value of values) {
                if (!isThenable(value)) {
                    value = this.resolve(value);
                }
                value.then(onResolve, onReject);
            }
            return promise;
        }
        static all(values) {
            let resolve;
            let reject;
            let promise = new this((res, rej) => {
                resolve = res;
                reject = rej;
            });
            // Start at 2 to prevent prematurely resolving if .then is called immediately.
            let unresolvedCount = 2;
            let valueIndex = 0;
            const resolvedValues = [];
            for (let value of values) {
                if (!isThenable(value)) {
                    value = this.resolve(value);
                }
                const curValueIndex = valueIndex;
                value.then((value) => {
                    resolvedValues[curValueIndex] = value;
                    unresolvedCount--;
                    if (unresolvedCount === 0) {
                        resolve(resolvedValues);
                    }
                }, reject);
                unresolvedCount++;
                valueIndex++;
            }
            // Make the unresolvedCount zero-based again.
            unresolvedCount -= 2;
            if (unresolvedCount === 0) {
                resolve(resolvedValues);
            }
            return promise;
        }
        get [Symbol.toStringTag]() {
            return 'Promise';
        }
        then(onFulfilled, onRejected) {
            const chainPromise = new this.constructor(null);
            const zone = Zone.current;
            if (this[symbolState] == UNRESOLVED) {
                this[symbolValue].push(zone, chainPromise, onFulfilled, onRejected);
            }
            else {
                scheduleResolveOrReject(this, zone, chainPromise, onFulfilled, onRejected);
            }
            return chainPromise;
        }
        catch(onRejected) {
            return this.then(null, onRejected);
        }
        finally(onFinally) {
            const chainPromise = new this.constructor(null);
            chainPromise[symbolFinally] = symbolFinally;
            const zone = Zone.current;
            if (this[symbolState] == UNRESOLVED) {
                this[symbolValue].push(zone, chainPromise, onFinally, onFinally);
            }
            else {
                scheduleResolveOrReject(this, zone, chainPromise, onFinally, onFinally);
            }
            return chainPromise;
        }
    }
    // Protect against aggressive optimizers dropping seemingly unused properties.
    // E.g. Closure Compiler in advanced mode.
    ZoneAwarePromise['resolve'] = ZoneAwarePromise.resolve;
    ZoneAwarePromise['reject'] = ZoneAwarePromise.reject;
    ZoneAwarePromise['race'] = ZoneAwarePromise.race;
    ZoneAwarePromise['all'] = ZoneAwarePromise.all;
    const NativePromise = global[symbolPromise] = global['Promise'];
    const ZONE_AWARE_PROMISE = Zone.__symbol__('ZoneAwarePromise');
    let desc = ObjectGetOwnPropertyDescriptor(global, 'Promise');
    if (!desc || desc.configurable) {
        desc && delete desc.writable;
        desc && delete desc.value;
        if (!desc) {
            desc = { configurable: true, enumerable: true };
        }
        desc.get = function () {
            // if we already set ZoneAwarePromise, use patched one
            // otherwise return native one.
            return global[ZONE_AWARE_PROMISE] ? global[ZONE_AWARE_PROMISE] : global[symbolPromise];
        };
        desc.set = function (NewNativePromise) {
            if (NewNativePromise === ZoneAwarePromise) {
                // if the NewNativePromise is ZoneAwarePromise
                // save to global
                global[ZONE_AWARE_PROMISE] = NewNativePromise;
            }
            else {
                // if the NewNativePromise is not ZoneAwarePromise
                // for example: after load zone.js, some library just
                // set es6-promise to global, if we set it to global
                // directly, assertZonePatched will fail and angular
                // will not loaded, so we just set the NewNativePromise
                // to global[symbolPromise], so the result is just like
                // we load ES6 Promise before zone.js
                global[symbolPromise] = NewNativePromise;
                if (!NewNativePromise.prototype[symbolThen]) {
                    patchThen(NewNativePromise);
                }
                api.setNativePromise(NewNativePromise);
            }
        };
        ObjectDefineProperty(global, 'Promise', desc);
    }
    global['Promise'] = ZoneAwarePromise;
    const symbolThenPatched = __symbol__('thenPatched');
    function patchThen(Ctor) {
        const proto = Ctor.prototype;
        const prop = ObjectGetOwnPropertyDescriptor(proto, 'then');
        if (prop && (prop.writable === false || !prop.configurable)) {
            // check Ctor.prototype.then propertyDescriptor is writable or not
            // in meteor env, writable is false, we should ignore such case
            return;
        }
        const originalThen = proto.then;
        // Keep a reference to the original method.
        proto[symbolThen] = originalThen;
        Ctor.prototype.then = function (onResolve, onReject) {
            const wrapped = new ZoneAwarePromise((resolve, reject) => {
                originalThen.call(this, resolve, reject);
            });
            return wrapped.then(onResolve, onReject);
        };
        Ctor[symbolThenPatched] = true;
    }
    api.patchThen = patchThen;
    function zoneify(fn) {
        return function () {
            let resultPromise = fn.apply(this, arguments);
            if (resultPromise instanceof ZoneAwarePromise) {
                return resultPromise;
            }
            let ctor = resultPromise.constructor;
            if (!ctor[symbolThenPatched]) {
                patchThen(ctor);
            }
            return resultPromise;
        };
    }
    if (NativePromise) {
        patchThen(NativePromise);
        const fetch = global['fetch'];
        if (typeof fetch == 'function') {
            global[api.symbol('fetch')] = fetch;
            global['fetch'] = zoneify(fetch);
        }
    }
    // This is not part of public API, but it is useful for tests, so we expose it.
    Promise[Zone.__symbol__('uncaughtPromiseErrors')] = _uncaughtPromiseErrors;
    return ZoneAwarePromise;
});

/**
 * @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
 */
/**
 * Suppress closure compiler errors about unknown 'Zone' variable
 * @fileoverview
 * @suppress {undefinedVars,globalThis,missingRequire}
 */
// issue #989, to reduce bundle size, use short name
/** Object.getOwnPropertyDescriptor */
const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
/** Object.defineProperty */
const ObjectDefineProperty = Object.defineProperty;
/** Object.getPrototypeOf */
const ObjectGetPrototypeOf = Object.getPrototypeOf;
/** Object.create */
const ObjectCreate = Object.create;
/** Array.prototype.slice */
const ArraySlice = Array.prototype.slice;
/** addEventListener string const */
const ADD_EVENT_LISTENER_STR = 'addEventListener';
/** removeEventListener string const */
const REMOVE_EVENT_LISTENER_STR = 'removeEventListener';
/** zoneSymbol addEventListener */
const ZONE_SYMBOL_ADD_EVENT_LISTENER = Zone.__symbol__(ADD_EVENT_LISTENER_STR);
/** zoneSymbol removeEventListener */
const ZONE_SYMBOL_REMOVE_EVENT_LISTENER = Zone.__symbol__(REMOVE_EVENT_LISTENER_STR);
/** true string const */
const TRUE_STR = 'true';
/** false string const */
const FALSE_STR = 'false';
/** __zone_symbol__ string const */
const ZONE_SYMBOL_PREFIX = '__zone_symbol__';
function wrapWithCurrentZone(callback, source) {
    return Zone.current.wrap(callback, source);
}
function scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) {
    return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel);
}
const zoneSymbol = Zone.__symbol__;
const isWindowExists = typeof window !== 'undefined';
const internalWindow = isWindowExists ? window : undefined;
const _global = isWindowExists && internalWindow || typeof self === 'object' && self || global;
const REMOVE_ATTRIBUTE = 'removeAttribute';
const NULL_ON_PROP_VALUE = [null];
function bindArguments(args, source) {
    for (let i = args.length - 1; i >= 0; i--) {
        if (typeof args[i] === 'function') {
            args[i] = wrapWithCurrentZone(args[i], source + '_' + i);
        }
    }
    return args;
}
function patchPrototype(prototype, fnNames) {
    const source = prototype.constructor['name'];
    for (let i = 0; i < fnNames.length; i++) {
        const name = fnNames[i];
        const delegate = prototype[name];
        if (delegate) {
            const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, name);
            if (!isPropertyWritable(prototypeDesc)) {
                continue;
            }
            prototype[name] = ((delegate) => {
                const patched = function () {
                    return delegate.apply(this, bindArguments(arguments, source + '.' + name));
                };
                attachOriginToPatched(patched, delegate);
                return patched;
            })(delegate);
        }
    }
}
function isPropertyWritable(propertyDesc) {
    if (!propertyDesc) {
        return true;
    }
    if (propertyDesc.writable === false) {
        return false;
    }
    return !(typeof propertyDesc.get === 'function' && typeof propertyDesc.set === 'undefined');
}
const isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope);
// Make sure to access `process` through `_global` so that WebPack does not accidentally browserify
// this code.
const isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' &&
    {}.toString.call(_global.process) === '[object process]');
const isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']);
// we are in electron of nw, so we are both browser and nodejs
// Make sure to access `process` through `_global` so that WebPack does not accidentally browserify
// this code.
const isMix = typeof _global.process !== 'undefined' &&
    {}.toString.call(_global.process) === '[object process]' && !isWebWorker &&
    !!(isWindowExists && internalWindow['HTMLElement']);
const zoneSymbolEventNames = {};
const wrapFn = function (event) {
    // https://github.com/angular/zone.js/issues/911, in IE, sometimes
    // event will be undefined, so we need to use window.event
    event = event || _global.event;
    if (!event) {
        return;
    }
    let eventNameSymbol = zoneSymbolEventNames[event.type];
    if (!eventNameSymbol) {
        eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol('ON_PROPERTY' + event.type);
    }
    const target = this || event.target || _global;
    const listener = target[eventNameSymbol];
    let result;
    if (isBrowser && target === internalWindow && event.type === 'error') {
        // window.onerror have different signiture
        // https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onerror#window.onerror
        // and onerror callback will prevent default when callback return true
        const errorEvent = event;
        result = listener &&
            listener.call(this, errorEvent.message, errorEvent.filename, errorEvent.lineno, errorEvent.colno, errorEvent.error);
        if (result === true) {
            event.preventDefault();
        }
    }
    else {
        result = listener && listener.apply(this, arguments);
        if (result != undefined && !result) {
            event.preventDefault();
        }
    }
    return result;
};
function patchProperty(obj, prop, prototype) {
    let desc = ObjectGetOwnPropertyDescriptor(obj, prop);
    if (!desc && prototype) {
        // when patch window object, use prototype to check prop exist or not
        const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop);
        if (prototypeDesc) {
            desc = { enumerable: true, configurable: true };
        }
    }
    // if the descriptor not exists or is not configurable
    // just return
    if (!desc || !desc.configurable) {
        return;
    }
    const onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched');
    if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {
        return;
    }
    // A property descriptor cannot have getter/setter and be writable
    // deleting the writable and value properties avoids this error:
    //
    // TypeError: property descriptors must not specify a value or be writable when a
    // getter or setter has been specified
    delete desc.writable;
    delete desc.value;
    const originalDescGet = desc.get;
    const originalDescSet = desc.set;
    // substr(2) cuz 'onclick' -> 'click', etc
    const eventName = prop.substr(2);
    let eventNameSymbol = zoneSymbolEventNames[eventName];
    if (!eventNameSymbol) {
        eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol('ON_PROPERTY' + eventName);
    }
    desc.set = function (newValue) {
        // in some of windows's onproperty callback, this is undefined
        // so we need to check it
        let target = this;
        if (!target && obj === _global) {
            target = _global;
        }
        if (!target) {
            return;
        }
        let previousValue = target[eventNameSymbol];
        if (previousValue) {
            target.removeEventListener(eventName, wrapFn);
        }
        // issue #978, when onload handler was added before loading zone.js
        // we should remove it with originalDescSet
        if (originalDescSet) {
            originalDescSet.apply(target, NULL_ON_PROP_VALUE);
        }
        if (typeof newValue === 'function') {
            target[eventNameSymbol] = newValue;
            target.addEventListener(eventName, wrapFn, false);
        }
        else {
            target[eventNameSymbol] = null;
        }
    };
    // The getter would return undefined for unassigned properties but the default value of an
    // unassigned property is null
    desc.get = function () {
        // in some of windows's onproperty callback, this is undefined
        // so we need to check it
        let target = this;
        if (!target && obj === _global) {
            target = _global;
        }
        if (!target) {
            return null;
        }
        const listener = target[eventNameSymbol];
        if (listener) {
            return listener;
        }
        else if (originalDescGet) {
            // result will be null when use inline event attribute,
            // such as <button onclick="func();">OK</button>
            // because the onclick function is internal raw uncompiled handler
            // the onclick will be evaluated when first time event was triggered or
            // the property is accessed, https://github.com/angular/zone.js/issues/525
            // so we should use original native get to retrieve the handler
            let value = originalDescGet && originalDescGet.call(this);
            if (value) {
                desc.set.call(this, value);
                if (typeof target[REMOVE_ATTRIBUTE] === 'function') {
                    target.removeAttribute(prop);
                }
                return value;
            }
        }
        return null;
    };
    ObjectDefineProperty(obj, prop, desc);
    obj[onPropPatchedSymbol] = true;
}
function patchOnProperties(obj, properties, prototype) {
    if (properties) {
        for (let i = 0; i < properties.length; i++) {
            patchProperty(obj, 'on' + properties[i], prototype);
        }
    }
    else {
        const onProperties = [];
        for (const prop in obj) {
            if (prop.substr(0, 2) == 'on') {
                onProperties.push(prop);
            }
        }
        for (let j = 0; j < onProperties.length; j++) {
            patchProperty(obj, onProperties[j], prototype);
        }
    }
}
const originalInstanceKey = zoneSymbol('originalInstance');
// wrap some native API on `window`
function patchClass(className) {
    const OriginalClass = _global[className];
    if (!OriginalClass)
        return;
    // keep original class in global
    _global[zoneSymbol(className)] = OriginalClass;
    _global[className] = function () {
        const a = bindArguments(arguments, className);
        switch (a.length) {
            case 0:
                this[originalInstanceKey] = new OriginalClass();
                break;
            case 1:
                this[originalInstanceKey] = new OriginalClass(a[0]);
                break;
            case 2:
                this[originalInstanceKey] = new OriginalClass(a[0], a[1]);
                break;
            case 3:
                this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2]);
                break;
            case 4:
                this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2], a[3]);
                break;
            default:
                throw new Error('Arg list too long.');
        }
    };
    // attach original delegate to patched function
    attachOriginToPatched(_global[className], OriginalClass);
    const instance = new OriginalClass(function () { });
    let prop;
    for (prop in instance) {
        // https://bugs.webkit.org/show_bug.cgi?id=44721
        if (className === 'XMLHttpRequest' && prop === 'responseBlob')
            continue;
        (function (prop) {
            if (typeof instance[prop] === 'function') {
                _global[className].prototype[prop] = function () {
                    return this[originalInstanceKey][prop].apply(this[originalInstanceKey], arguments);
                };
            }
            else {
                ObjectDefineProperty(_global[className].prototype, prop, {
                    set: function (fn) {
                        if (typeof fn === 'function') {
                            this[originalInstanceKey][prop] = wrapWithCurrentZone(fn, className + '.' + prop);
                            // keep callback in wrapped function so we can
                            // use it in Function.prototype.toString to return
                            // the native one.
                            attachOriginToPatched(this[originalInstanceKey][prop], fn);
                        }
                        else {
                            this[originalInstanceKey][prop] = fn;
                        }
                    },
                    get: function () {
                        return this[originalInstanceKey][prop];
                    }
                });
            }
        }(prop));
    }
    for (prop in OriginalClass) {
        if (prop !== 'prototype' && OriginalClass.hasOwnProperty(prop)) {
            _global[className][prop] = OriginalClass[prop];
        }
    }
}
function copySymbolProperties(src, dest) {
    if (typeof Object.getOwnPropertySymbols !== 'function') {
        return;
    }
    const symbols = Object.getOwnPropertySymbols(src);
    symbols.forEach((symbol) => {
        const desc = Object.getOwnPropertyDescriptor(src, symbol);
        Object.defineProperty(dest, symbol, {
            get: function () {
                return src[symbol];
            },
            set: function (value) {
                if (desc && (!desc.writable || typeof desc.set !== 'function')) {
                    // if src[symbol] is not writable or not have a setter, just return
                    return;
                }
                src[symbol] = value;
            },
            enumerable: desc ? desc.enumerable : true,
            configurable: desc ? desc.configurable : true
        });
    });
}
let shouldCopySymbolProperties = false;

function patchMethod(target, name, patchFn) {
    let proto = target;
    while (proto && !proto.hasOwnProperty(name)) {
        proto = ObjectGetPrototypeOf(proto);
    }
    if (!proto && target[name]) {
        // somehow we did not find it, but we can see it. This happens on IE for Window properties.
        proto = target;
    }
    const delegateName = zoneSymbol(name);
    let delegate = null;
    if (proto && !(delegate = proto[delegateName])) {
        delegate = proto[delegateName] = proto[name];
        // check whether proto[name] is writable
        // some property is readonly in safari, such as HtmlCanvasElement.prototype.toBlob
        const desc = proto && ObjectGetOwnPropertyDescriptor(proto, name);
        if (isPropertyWritable(desc)) {
            const patchDelegate = patchFn(delegate, delegateName, name);
            proto[name] = function () {
                return patchDelegate(this, arguments);
            };
            attachOriginToPatched(proto[name], delegate);
            if (shouldCopySymbolProperties) {
                copySymbolProperties(delegate, proto[name]);
            }
        }
    }
    return delegate;
}
// TODO: @JiaLiPassion, support cancel task later if necessary
function patchMacroTask(obj, funcName, metaCreator) {
    let setNative = null;
    function scheduleTask(task) {
        const data = task.data;
        data.args[data.cbIdx] = function () {
            task.invoke.apply(this, arguments);
        };
        setNative.apply(data.target, data.args);
        return task;
    }
    setNative = patchMethod(obj, funcName, (delegate) => function (self, args) {
        const meta = metaCreator(self, args);
        if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') {
            return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask);
        }
        else {
            // cause an error by calling it directly.
            return delegate.apply(self, args);
        }
    });
}

function attachOriginToPatched(patched, original) {
    patched[zoneSymbol('OriginalDelegate')] = original;
}
let isDetectedIEOrEdge = false;
let ieOrEdge = false;
function isIE() {
    try {
        const ua = internalWindow.navigator.userAgent;
        if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1) {
            return true;
        }
    }
    catch (error) {
    }
    return false;
}
function isIEOrEdge() {
    if (isDetectedIEOrEdge) {
        return ieOrEdge;
    }
    isDetectedIEOrEdge = true;
    try {
        const ua = internalWindow.navigator.userAgent;
        if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1 || ua.indexOf('Edge/') !== -1) {
            ieOrEdge = true;
        }
    }
    catch (error) {
    }
    return ieOrEdge;
}

/**
 * @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
 */
// override Function.prototype.toString to make zone.js patched function
// look like native function
Zone.__load_patch('toString', (global) => {
    // patch Func.prototype.toString to let them look like native
    const originalFunctionToString = Function.prototype.toString;
    const ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate');
    const PROMISE_SYMBOL = zoneSymbol('Promise');
    const ERROR_SYMBOL = zoneSymbol('Error');
    const newFunctionToString = function toString() {
        if (typeof this === 'function') {
            const originalDelegate = this[ORIGINAL_DELEGATE_SYMBOL];
            if (originalDelegate) {
                if (typeof originalDelegate === 'function') {
                    return originalFunctionToString.call(originalDelegate);
                }
                else {
                    return Object.prototype.toString.call(originalDelegate);
                }
            }
            if (this === Promise) {
                const nativePromise = global[PROMISE_SYMBOL];
                if (nativePromise) {
                    return originalFunctionToString.call(nativePromise);
                }
            }
            if (this === Error) {
                const nativeError = global[ERROR_SYMBOL];
                if (nativeError) {
                    return originalFunctionToString.call(nativeError);
                }
            }
        }
        return originalFunctionToString.call(this);
    };
    newFunctionToString[ORIGINAL_DELEGATE_SYMBOL] = originalFunctionToString;
    Function.prototype.toString = newFunctionToString;
    // patch Object.prototype.toString to let them look like native
    const originalObjectToString = Object.prototype.toString;
    const PROMISE_OBJECT_TO_STRING = '[object Promise]';
    Object.prototype.toString = function () {
        if (this instanceof Promise) {
            return PROMISE_OBJECT_TO_STRING;
        }
        return originalObjectToString.call(this);
    };
});

/**
 * @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
 */
/**
 * @fileoverview
 * @suppress {missingRequire}
 */
let passiveSupported = false;
if (typeof window !== 'undefined') {
    try {
        const options = Object.defineProperty({}, 'passive', {
            get: function () {
                passiveSupported = true;
            }
        });
        window.addEventListener('test', options, options);
        window.removeEventListener('test', options, options);
    }
    catch (err) {
        passiveSupported = false;
    }
}
// an identifier to tell ZoneTask do not create a new invoke closure
const OPTIMIZED_ZONE_EVENT_TASK_DATA = {
    useG: true
};
const zoneSymbolEventNames$1 = {};
const globalSources = {};
const EVENT_NAME_SYMBOL_REGX = /^__zone_symbol__(\w+)(true|false)$/;
const IMMEDIATE_PROPAGATION_SYMBOL = ('__zone_symbol__propagationStopped');
function patchEventTarget(_global, apis, patchOptions) {
    const ADD_EVENT_LISTENER = (patchOptions && patchOptions.add) || ADD_EVENT_LISTENER_STR;
    const REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.rm) || REMOVE_EVENT_LISTENER_STR;
    const LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listeners) || 'eventListeners';
    const REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.rmAll) || 'removeAllListeners';
    const zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER);
    const ADD_EVENT_LISTENER_SOURCE = '.' + ADD_EVENT_LISTENER + ':';
    const PREPEND_EVENT_LISTENER = 'prependListener';
    const PREPEND_EVENT_LISTENER_SOURCE = '.' + PREPEND_EVENT_LISTENER + ':';
    const invokeTask = function (task, target, event) {
        // for better performance, check isRemoved which is set
        // by removeEventListener
        if (task.isRemoved) {
            return;
        }
        const delegate = task.callback;
        if (typeof delegate === 'object' && delegate.handleEvent) {
            // create the bind version of handleEvent when invoke
            task.callback = (event) => delegate.handleEvent(event);
            task.originalDelegate = delegate;
        }
        // invoke static task.invoke
        task.invoke(task, target, [event]);
        const options = task.options;
        if (options && typeof options === 'object' && options.once) {
            // if options.once is true, after invoke once remove listener here
            // only browser need to do this, nodejs eventEmitter will cal removeListener
            // inside EventEmitter.once
            const delegate = task.originalDelegate ? task.originalDelegate : task.callback;
            target[REMOVE_EVENT_LISTENER].call(target, event.type, delegate, options);
        }
    };
    // global shared zoneAwareCallback to handle all event callback with capture = false
    const globalZoneAwareCallback = function (event) {
        // https://github.com/angular/zone.js/issues/911, in IE, sometimes
        // event will be undefined, so we need to use window.event
        event = event || _global.event;
        if (!event) {
            return;
        }
        // event.target is needed for Samsung TV and SourceBuffer
        // || global is needed https://github.com/angular/zone.js/issues/190
        const target = this || event.target || _global;
        const tasks = target[zoneSymbolEventNames$1[event.type][FALSE_STR]];
        if (tasks) {
            // invoke all tasks which attached to current target with given event.type and capture = false
            // for performance concern, if task.length === 1, just invoke
            if (tasks.length === 1) {
                invokeTask(tasks[0], target, event);
            }
            else {
                // https://github.com/angular/zone.js/issues/836
                // copy the tasks array before invoke, to avoid
                // the callback will remove itself or other listener
                const copyTasks = tasks.slice();
                for (let i = 0; i < copyTasks.length; i++) {
                    if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {
                        break;
                    }
                    invokeTask(copyTasks[i], target, event);
                }
            }
        }
    };
    // global shared zoneAwareCallback to handle all event callback with capture = true
    const globalZoneAwareCaptureCallback = function (event) {
        // https://github.com/angular/zone.js/issues/911, in IE, sometimes
        // event will be undefined, so we need to use window.event
        event = event || _global.event;
        if (!event) {
            return;
        }
        // event.target is needed for Samsung TV and SourceBuffer
        // || global is needed https://github.com/angular/zone.js/issues/190
        const target = this || event.target || _global;
        const tasks = target[zoneSymbolEventNames$1[event.type][TRUE_STR]];
        if (tasks) {
            // invoke all tasks which attached to current target with given event.type and capture = false
            // for performance concern, if task.length === 1, just invoke
            if (tasks.length === 1) {
                invokeTask(tasks[0], target, event);
            }
            else {
                // https://github.com/angular/zone.js/issues/836
                // copy the tasks array before invoke, to avoid
                // the callback will remove itself or other listener
                const copyTasks = tasks.slice();
                for (let i = 0; i < copyTasks.length; i++) {
                    if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {
                        break;
                    }
                    invokeTask(copyTasks[i], target, event);
                }
            }
        }
    };
    function patchEventTargetMethods(obj, patchOptions) {
        if (!obj) {
            return false;
        }
        let useGlobalCallback = true;
        if (patchOptions && patchOptions.useG !== undefined) {
            useGlobalCallback = patchOptions.useG;
        }
        const validateHandler = patchOptions && patchOptions.vh;
        let checkDuplicate = true;
        if (patchOptions && patchOptions.chkDup !== undefined) {
            checkDuplicate = patchOptions.chkDup;
        }
        let returnTarget = false;
        if (patchOptions && patchOptions.rt !== undefined) {
            returnTarget = patchOptions.rt;
        }
        let proto = obj;
        while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) {
            proto = ObjectGetPrototypeOf(proto);
        }
        if (!proto && obj[ADD_EVENT_LISTENER]) {
            // somehow we did not find it, but we can see it. This happens on IE for Window properties.
            proto = obj;
        }
        if (!proto) {
            return false;
        }
        if (proto[zoneSymbolAddEventListener]) {
            return false;
        }
        const eventNameToString = patchOptions && patchOptions.eventNameToString;
        // a shared global taskData to pass data for scheduleEventTask
        // so we do not need to create a new object just for pass some data
        const taskData = {};
        const nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER];
        const nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] =
            proto[REMOVE_EVENT_LISTENER];
        const nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] =
            proto[LISTENERS_EVENT_LISTENER];
        const nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] =
            proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER];
        let nativePrependEventListener;
        if (patchOptions && patchOptions.prepend) {
            nativePrependEventListener = proto[zoneSymbol(patchOptions.prepend)] =
                proto[patchOptions.prepend];
        }
        function checkIsPassive(task) {
            if (!passiveSupported && typeof taskData.options !== 'boolean' &&
                typeof taskData.options !== 'undefined' && taskData.options !== null) {
                // options is a non-null non-undefined object
                // passive is not supported
                // don't pass options as object
                // just pass capture as a boolean
                task.options = !!taskData.options.capture;
                taskData.options = task.options;
            }
        }
        const customScheduleGlobal = function (task) {
            // if there is already a task for the eventName + capture,
            // just return, because we use the shared globalZoneAwareCallback here.
            if (taskData.isExisting) {
                return;
            }
            checkIsPassive(task);
            return nativeAddEventListener.call(taskData.target, taskData.eventName, taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, taskData.options);
        };
        const customCancelGlobal = function (task) {
            // if task is not marked as isRemoved, this call is directly
            // from Zone.prototype.cancelTask, we should remove the task
            // from tasksList of target first
            if (!task.isRemoved) {
                const symbolEventNames = zoneSymbolEventNames$1[task.eventName];
                let symbolEventName;
                if (symbolEventNames) {
                    symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR];
                }
                const existingTasks = symbolEventName && task.target[symbolEventName];
                if (existingTasks) {
                    for (let i = 0; i < existingTasks.length; i++) {
                        const existingTask = existingTasks[i];
                        if (existingTask === task) {
                            existingTasks.splice(i, 1);
                            // set isRemoved to data for faster invokeTask check
                            task.isRemoved = true;
                            if (existingTasks.length === 0) {
                                // all tasks for the eventName + capture have gone,
                                // remove globalZoneAwareCallback and remove the task cache from target
                                task.allRemoved = true;
                                task.target[symbolEventName] = null;
                            }
                            break;
                        }
                    }
                }
            }
            // if all tasks for the eventName + capture have gone,
            // we will really remove the global event callback,
            // if not, return
            if (!task.allRemoved) {
                return;
            }
            return nativeRemoveEventListener.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options);
        };
        const customScheduleNonGlobal = function (task) {
            checkIsPassive(task);
            return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);
        };
        const customSchedulePrepend = function (task) {
            return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);
        };
        const customCancelNonGlobal = function (task) {
            return nativeRemoveEventListener.call(task.target, task.eventName, task.invoke, task.options);
        };
        const customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal;
        const customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal;
        const compareTaskCallbackVsDelegate = function (task, delegate) {
            const typeOfDelegate = typeof delegate;
            return (typeOfDelegate === 'function' && task.callback === delegate) ||
                (typeOfDelegate === 'object' && task.originalDelegate === delegate);
        };
        const compare = (patchOptions && patchOptions.diff) ? patchOptions.diff : compareTaskCallbackVsDelegate;
        const blackListedEvents = Zone[Zone.__symbol__('BLACK_LISTED_EVENTS')];
        const makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget = false, prepend = false) {
            return function () {
                const target = this || _global;
                const eventName = arguments[0];
                let delegate = arguments[1];
                if (!delegate) {
                    return nativeListener.apply(this, arguments);
                }
                if (isNode && eventName === 'uncaughtException') {
                    // don't patch uncaughtException of nodejs to prevent endless loop
                    return nativeListener.apply(this, arguments);
                }
                // don't create the bind delegate function for handleEvent
                // case here to improve addEventListener performance
                // we will create the bind delegate when invoke
                let isHandleEvent = false;
                if (typeof delegate !== 'function') {
                    if (!delegate.handleEvent) {
                        return nativeListener.apply(this, arguments);
                    }
                    isHandleEvent = true;
                }
                if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) {
                    return;
                }
                const options = arguments[2];
                if (blackListedEvents) {
                    // check black list
                    for (let i = 0; i < blackListedEvents.length; i++) {
                        if (eventName === blackListedEvents[i]) {
                            return nativeListener.apply(this, arguments);
                        }
                    }
                }
                let capture;
                let once = false;
                if (options === undefined) {
                    capture = false;
                }
                else if (options === true) {
                    capture = true;
                }
                else if (options === false) {
                    capture = false;
                }
                else {
                    capture = options ? !!options.capture : false;
                    once = options ? !!options.once : false;
                }
                const zone = Zone.current;
                const symbolEventNames = zoneSymbolEventNames$1[eventName];
                let symbolEventName;
                if (!symbolEventNames) {
                    // the code is duplicate, but I just want to get some better performance
                    const falseEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + FALSE_STR;
                    const trueEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + TRUE_STR;
                    const symbol = ZONE_SYMBOL_PREFIX + falseEventName;
                    const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;
                    zoneSymbolEventNames$1[eventName] = {};
                    zoneSymbolEventNames$1[eventName][FALSE_STR] = symbol;
                    zoneSymbolEventNames$1[eventName][TRUE_STR] = symbolCapture;
                    symbolEventName = capture ? symbolCapture : symbol;
                }
                else {
                    symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];
                }
                let existingTasks = target[symbolEventName];
                let isExisting = false;
                if (existingTasks) {
                    // already have task registered
                    isExisting = true;
                    if (checkDuplicate) {
                        for (let i = 0; i < existingTasks.length; i++) {
                            if (compare(existingTasks[i], delegate)) {
                                // same callback, same capture, same event name, just return
                                return;
                            }
                        }
                    }
                }
                else {
                    existingTasks = target[symbolEventName] = [];
                }
                let source;
                const constructorName = target.constructor['name'];
                const targetSource = globalSources[constructorName];
                if (targetSource) {
                    source = targetSource[eventName];
                }
                if (!source) {
                    source = constructorName + addSource +
                        (eventNameToString ? eventNameToString(eventName) : eventName);
                }
                // do not create a new object as task.data to pass those things
                // just use the global shared one
                taskData.options = options;
                if (once) {
                    // if addEventListener with once options, we don't pass it to
                    // native addEventListener, instead we keep the once setting
                    // and handle ourselves.
                    taskData.options.once = false;
                }
                taskData.target = target;
                taskData.capture = capture;
                taskData.eventName = eventName;
                taskData.isExisting = isExisting;
                const data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : undefined;
                // keep taskData into data to allow onScheduleEventTask to access the task information
                if (data) {
                    data.taskData = taskData;
                }
                const task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn);
                // should clear taskData.target to avoid memory leak
                // issue, https://github.com/angular/angular/issues/20442
                taskData.target = null;
                // need to clear up taskData because it is a global object
                if (data) {
                    data.taskData = null;
                }
                // have to save those information to task in case
                // application may call task.zone.cancelTask() directly
                if (once) {
                    options.once = true;
                }
                if (!(!passiveSupported && typeof task.options === 'boolean')) {
                    // if not support passive, and we pass an option object
                    // to addEventListener, we should save the options to task
                    task.options = options;
                }
                task.target = target;
                task.capture = capture;
                task.eventName = eventName;
                if (isHandleEvent) {
                    // save original delegate for compare to check duplicate
                    task.originalDelegate = delegate;
                }
                if (!prepend) {
                    existingTasks.push(task);
                }
                else {
                    existingTasks.unshift(task);
                }
                if (returnTarget) {
                    return target;
                }
            };
        };
        proto[ADD_EVENT_LISTENER] = makeAddListener(nativeAddEventListener, ADD_EVENT_LISTENER_SOURCE, customSchedule, customCancel, returnTarget);
        if (nativePrependEventListener) {
            proto[PREPEND_EVENT_LISTENER] = makeAddListener(nativePrependEventListener, PREPEND_EVENT_LISTENER_SOURCE, customSchedulePrepend, customCancel, returnTarget, true);
        }
        proto[REMOVE_EVENT_LISTENER] = function () {
            const target = this || _global;
            const eventName = arguments[0];
            const options = arguments[2];
            let capture;
            if (options === undefined) {
                capture = false;
            }
            else if (options === true) {
                capture = true;
            }
            else if (options === false) {
                capture = false;
            }
            else {
                capture = options ? !!options.capture : false;
            }
            const delegate = arguments[1];
            if (!delegate) {
                return nativeRemoveEventListener.apply(this, arguments);
            }
            if (validateHandler &&
                !validateHandler(nativeRemoveEventListener, delegate, target, arguments)) {
                return;
            }
            const symbolEventNames = zoneSymbolEventNames$1[eventName];
            let symbolEventName;
            if (symbolEventNames) {
                symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];
            }
            const existingTasks = symbolEventName && target[symbolEventName];
            if (existingTasks) {
                for (let i = 0; i < existingTasks.length; i++) {
                    const existingTask = existingTasks[i];
                    if (compare(existingTask, delegate)) {
                        existingTasks.splice(i, 1);
                        // set isRemoved to data for faster invokeTask check
                        existingTask.isRemoved = true;
                        if (existingTasks.length === 0) {
                            // all tasks for the eventName + capture have gone,
                            // remove globalZoneAwareCallback and remove the task cache from target
                            existingTask.allRemoved = true;
                            target[symbolEventName] = null;
                        }
                        existingTask.zone.cancelTask(existingTask);
                        if (returnTarget) {
                            return target;
                        }
                        return;
                    }
                }
            }
            // issue 930, didn't find the event name or callback
            // from zone kept existingTasks, the callback maybe
            // added outside of zone, we need to call native removeEventListener
            // to try to remove it.
            return nativeRemoveEventListener.apply(this, arguments);
        };
        proto[LISTENERS_EVENT_LISTENER] = function () {
            const target = this || _global;
            const eventName = arguments[0];
            const listeners = [];
            const tasks = findEventTasks(target, eventNameToString ? eventNameToString(eventName) : eventName);
            for (let i = 0; i < tasks.length; i++) {
                const task = tasks[i];
                let delegate = task.originalDelegate ? task.originalDelegate : task.callback;
                listeners.push(delegate);
            }
            return listeners;
        };
        proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER] = function () {
            const target = this || _global;
            const eventName = arguments[0];
            if (!eventName) {
                const keys = Object.keys(target);
                for (let i = 0; i < keys.length; i++) {
                    const prop = keys[i];
                    const match = EVENT_NAME_SYMBOL_REGX.exec(prop);
                    let evtName = match && match[1];
                    // in nodejs EventEmitter, removeListener event is
                    // used for monitoring the removeListener call,
                    // so just keep removeListener eventListener until
                    // all other eventListeners are removed
                    if (evtName && evtName !== 'removeListener') {
                        this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, evtName);
                    }
                }
                // remove removeListener listener finally
                this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, 'removeListener');
            }
            else {
                const symbolEventNames = zoneSymbolEventNames$1[eventName];
                if (symbolEventNames) {
                    const symbolEventName = symbolEventNames[FALSE_STR];
                    const symbolCaptureEventName = symbolEventNames[TRUE_STR];
                    const tasks = target[symbolEventName];
                    const captureTasks = target[symbolCaptureEventName];
                    if (tasks) {
                        const removeTasks = tasks.slice();
                        for (let i = 0; i < removeTasks.length; i++) {
                            const task = removeTasks[i];
                            let delegate = task.originalDelegate ? task.originalDelegate : task.callback;
                            this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);
                        }
                    }
                    if (captureTasks) {
                        const removeTasks = captureTasks.slice();
                        for (let i = 0; i < removeTasks.length; i++) {
                            const task = removeTasks[i];
                            let delegate = task.originalDelegate ? task.originalDelegate : task.callback;
                            this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);
                        }
                    }
                }
            }
            if (returnTarget) {
                return this;
            }
        };
        // for native toString patch
        attachOriginToPatched(proto[ADD_EVENT_LISTENER], nativeAddEventListener);
        attachOriginToPatched(proto[REMOVE_EVENT_LISTENER], nativeRemoveEventListener);
        if (nativeRemoveAllListeners) {
            attachOriginToPatched(proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER], nativeRemoveAllListeners);
        }
        if (nativeListeners) {
            attachOriginToPatched(proto[LISTENERS_EVENT_LISTENER], nativeListeners);
        }
        return true;
    }
    let results = [];
    for (let i = 0; i < apis.length; i++) {
        results[i] = patchEventTargetMethods(apis[i], patchOptions);
    }
    return results;
}
function findEventTasks(target, eventName) {
    const foundTasks = [];
    for (let prop in target) {
        const match = EVENT_NAME_SYMBOL_REGX.exec(prop);
        let evtName = match && match[1];
        if (evtName && (!eventName || evtName === eventName)) {
            const tasks = target[prop];
            if (tasks) {
                for (let i = 0; i < tasks.length; i++) {
                    foundTasks.push(tasks[i]);
                }
            }
        }
    }
    return foundTasks;
}
function patchEventPrototype(global, api) {
    const Event = global['Event'];
    if (Event && Event.prototype) {
        api.patchMethod(Event.prototype, 'stopImmediatePropagation', (delegate) => function (self, args) {
            self[IMMEDIATE_PROPAGATION_SYMBOL] = true;
            // we need to call the native stopImmediatePropagation
            // in case in some hybrid application, some part of
            // application will be controlled by zone, some are not
            delegate && delegate.apply(self, args);
        });
    }
}

/**
 * @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
 */
function patchCallbacks(api, target, targetName, method, callbacks) {
    const symbol = Zone.__symbol__(method);
    if (target[symbol]) {
        return;
    }
    const nativeDelegate = target[symbol] = target[method];
    target[method] = function (name, opts, options) {
        if (opts && opts.prototype) {
            callbacks.forEach(function (callback) {
                const source = `${targetName}.${method}::` + callback;
                const prototype = opts.prototype;
                if (prototype.hasOwnProperty(callback)) {
                    const descriptor = api.ObjectGetOwnPropertyDescriptor(prototype, callback);
                    if (descriptor && descriptor.value) {
                        descriptor.value = api.wrapWithCurrentZone(descriptor.value, source);
                        api._redefineProperty(opts.prototype, callback, descriptor);
                    }
                    else if (prototype[callback]) {
                        prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);
                    }
                }
                else if (prototype[callback]) {
                    prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);
                }
            });
        }
        return nativeDelegate.call(target, name, opts, options);
    };
    api.attachOriginToPatched(target[method], nativeDelegate);
}

/**
 * @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
 */
/*
 * This is necessary for Chrome and Chrome mobile, to enable
 * things like redefining `createdCallback` on an element.
 */
const zoneSymbol$1 = Zone.__symbol__;
const _defineProperty = Object[zoneSymbol$1('defineProperty')] = Object.defineProperty;
const _getOwnPropertyDescriptor = Object[zoneSymbol$1('getOwnPropertyDescriptor')] =
    Object.getOwnPropertyDescriptor;
const _create = Object.create;
const unconfigurablesKey = zoneSymbol$1('unconfigurables');
function propertyPatch() {
    Object.defineProperty = function (obj, prop, desc) {
        if (isUnconfigurable(obj, prop)) {
            throw new TypeError('Cannot assign to read only property \'' + prop + '\' of ' + obj);
        }
        const originalConfigurableFlag = desc.configurable;
        if (prop !== 'prototype') {
            desc = rewriteDescriptor(obj, prop, desc);
        }
        return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);
    };
    Object.defineProperties = function (obj, props) {
        Object.keys(props).forEach(function (prop) {
            Object.defineProperty(obj, prop, props[prop]);
        });
        return obj;
    };
    Object.create = function (obj, proto) {
        if (typeof proto === 'object' && !Object.isFrozen(proto)) {
            Object.keys(proto).forEach(function (prop) {
                proto[prop] = rewriteDescriptor(obj, prop, proto[prop]);
            });
        }
        return _create(obj, proto);
    };
    Object.getOwnPropertyDescriptor = function (obj, prop) {
        const desc = _getOwnPropertyDescriptor(obj, prop);
        if (desc && isUnconfigurable(obj, prop)) {
            desc.configurable = false;
        }
        return desc;
    };
}
function _redefineProperty(obj, prop, desc) {
    const originalConfigurableFlag = desc.configurable;
    desc = rewriteDescriptor(obj, prop, desc);
    return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);
}
function isUnconfigurable(obj, prop) {
    return obj && obj[unconfigurablesKey] && obj[unconfigurablesKey][prop];
}
function rewriteDescriptor(obj, prop, desc) {
    // issue-927, if the desc is frozen, don't try to change the desc
    if (!Object.isFrozen(desc)) {
        desc.configurable = true;
    }
    if (!desc.configurable) {
        // issue-927, if the obj is frozen, don't try to set the desc to obj
        if (!obj[unconfigurablesKey] && !Object.isFrozen(obj)) {
            _defineProperty(obj, unconfigurablesKey, { writable: true, value: {} });
        }
        if (obj[unconfigurablesKey]) {
            obj[unconfigurablesKey][prop] = true;
        }
    }
    return desc;
}
function _tryDefineProperty(obj, prop, desc, originalConfigurableFlag) {
    try {
        return _defineProperty(obj, prop, desc);
    }
    catch (error) {
        if (desc.configurable) {
            // In case of errors, when the configurable flag was likely set by rewriteDescriptor(), let's
            // retry with the original flag value
            if (typeof originalConfigurableFlag == 'undefined') {
                delete desc.configurable;
            }
            else {
                desc.configurable = originalConfigurableFlag;
            }
            try {
                return _defineProperty(obj, prop, desc);
            }
            catch (error) {
                let descJson = null;
                try {
                    descJson = JSON.stringify(desc);
                }
                catch (error) {
                    descJson = desc.toString();
                }
                console.log(`Attempting to configure '${prop}' with descriptor '${descJson}' on object '${obj}' and got error, giving up: ${error}`);
            }
        }
        else {
            throw error;
        }
    }
}

/**
 * @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
 */
/**
 * @fileoverview
 * @suppress {globalThis}
 */
const globalEventHandlersEventNames = [
    'abort',
    'animationcancel',
    'animationend',
    'animationiteration',
    'auxclick',
    'beforeinput',
    'blur',
    'cancel',
    'canplay',
    'canplaythrough',
    'change',
    'compositionstart',
    'compositionupdate',
    'compositionend',
    'cuechange',
    'click',
    'close',
    'contextmenu',
    'curechange',
    'dblclick',
    'drag',
    'dragend',
    'dragenter',
    'dragexit',
    'dragleave',
    'dragover',
    'drop',
    'durationchange',
    'emptied',
    'ended',
    'error',
    'focus',
    'focusin',
    'focusout',
    'gotpointercapture',
    'input',
    'invalid',
    'keydown',
    'keypress',
    'keyup',
    'load',
    'loadstart',
    'loadeddata',
    'loadedmetadata',
    'lostpointercapture',
    'mousedown',
    'mouseenter',
    'mouseleave',
    'mousemove',
    'mouseout',
    'mouseover',
    'mouseup',
    'mousewheel',
    'orientationchange',
    'pause',
    'play',
    'playing',
    'pointercancel',
    'pointerdown',
    'pointerenter',
    'pointerleave',
    'pointerlockchange',
    'mozpointerlockchange',
    'webkitpointerlockerchange',
    'pointerlockerror',
    'mozpointerlockerror',
    'webkitpointerlockerror',
    'pointermove',
    'pointout',
    'pointerover',
    'pointerup',
    'progress',
    'ratechange',
    'reset',
    'resize',
    'scroll',
    'seeked',
    'seeking',
    'select',
    'selectionchange',
    'selectstart',
    'show',
    'sort',
    'stalled',
    'submit',
    'suspend',
    'timeupdate',
    'volumechange',
    'touchcancel',
    'touchmove',
    'touchstart',
    'touchend',
    'transitioncancel',
    'transitionend',
    'waiting',
    'wheel'
];
const documentEventNames = [
    'afterscriptexecute', 'beforescriptexecute', 'DOMContentLoaded', 'freeze', 'fullscreenchange',
    'mozfullscreenchange', 'webkitfullscreenchange', 'msfullscreenchange', 'fullscreenerror',
    'mozfullscreenerror', 'webkitfullscreenerror', 'msfullscreenerror', 'readystatechange',
    'visibilitychange', 'resume'
];
const windowEventNames = [
    'absolutedeviceorientation',
    'afterinput',
    'afterprint',
    'appinstalled',
    'beforeinstallprompt',
    'beforeprint',
    'beforeunload',
    'devicelight',
    'devicemotion',
    'deviceorientation',
    'deviceorientationabsolute',
    'deviceproximity',
    'hashchange',
    'languagechange',
    'message',
    'mozbeforepaint',
    'offline',
    'online',
    'paint',
    'pageshow',
    'pagehide',
    'popstate',
    'rejectionhandled',
    'storage',
    'unhandledrejection',
    'unload',
    'userproximity',
    'vrdisplyconnected',
    'vrdisplaydisconnected',
    'vrdisplaypresentchange'
];
const htmlElementEventNames = [
    'beforecopy', 'beforecut', 'beforepaste', 'copy', 'cut', 'paste', 'dragstart', 'loadend',
    'animationstart', 'search', 'transitionrun', 'transitionstart', 'webkitanimationend',
    'webkitanimationiteration', 'webkitanimationstart', 'webkittransitionend'
];
const mediaElementEventNames = ['encrypted', 'waitingforkey', 'msneedkey', 'mozinterruptbegin', 'mozinterruptend'];
const ieElementEventNames = [
    'activate',
    'afterupdate',
    'ariarequest',
    'beforeactivate',
    'beforedeactivate',
    'beforeeditfocus',
    'beforeupdate',
    'cellchange',
    'controlselect',
    'dataavailable',
    'datasetchanged',
    'datasetcomplete',
    'errorupdate',
    'filterchange',
    'layoutcomplete',
    'losecapture',
    'move',
    'moveend',
    'movestart',
    'propertychange',
    'resizeend',
    'resizestart',
    'rowenter',
    'rowexit',
    'rowsdelete',
    'rowsinserted',
    'command',
    'compassneedscalibration',
    'deactivate',
    'help',
    'mscontentzoom',
    'msmanipulationstatechanged',
    'msgesturechange',
    'msgesturedoubletap',
    'msgestureend',
    'msgesturehold',
    'msgesturestart',
    'msgesturetap',
    'msgotpointercapture',
    'msinertiastart',
    'mslostpointercapture',
    'mspointercancel',
    'mspointerdown',
    'mspointerenter',
    'mspointerhover',
    'mspointerleave',
    'mspointermove',
    'mspointerout',
    'mspointerover',
    'mspointerup',
    'pointerout',
    'mssitemodejumplistitemremoved',
    'msthumbnailclick',
    'stop',
    'storagecommit'
];
const webglEventNames = ['webglcontextrestored', 'webglcontextlost', 'webglcontextcreationerror'];
const formEventNames = ['autocomplete', 'autocompleteerror'];
const detailEventNames = ['toggle'];
const frameEventNames = ['load'];
const frameSetEventNames = ['blur', 'error', 'focus', 'load', 'resize', 'scroll', 'messageerror'];
const marqueeEventNames = ['bounce', 'finish', 'start'];
const XMLHttpRequestEventNames = [
    'loadstart', 'progress', 'abort', 'error', 'load', 'progress', 'timeout', 'loadend',
    'readystatechange'
];
const IDBIndexEventNames = ['upgradeneeded', 'complete', 'abort', 'success', 'error', 'blocked', 'versionchange', 'close'];
const websocketEventNames = ['close', 'error', 'open', 'message'];
const workerEventNames = ['error', 'message'];
const eventNames = globalEventHandlersEventNames.concat(webglEventNames, formEventNames, detailEventNames, documentEventNames, windowEventNames, htmlElementEventNames, ieElementEventNames);
function filterProperties(target, onProperties, ignoreProperties) {
    if (!ignoreProperties || ignoreProperties.length === 0) {
        return onProperties;
    }
    const tip = ignoreProperties.filter(ip => ip.target === target);
    if (!tip || tip.length === 0) {
        return onProperties;
    }
    const targetIgnoreProperties = tip[0].ignoreProperties;
    return onProperties.filter(op => targetIgnoreProperties.indexOf(op) === -1);
}
function patchFilteredProperties(target, onProperties, ignoreProperties, prototype) {
    // check whether target is available, sometimes target will be undefined
    // because different browser or some 3rd party plugin.
    if (!target) {
        return;
    }
    const filteredProperties = filterProperties(target, onProperties, ignoreProperties);
    patchOnProperties(target, filteredProperties, prototype);
}
function propertyDescriptorPatch(api, _global) {
    if (isNode && !isMix) {
        return;
    }
    if (Zone[api.symbol('patchEvents')]) {
        // events are already been patched by legacy patch.
        return;
    }
    const supportsWebSocket = typeof WebSocket !== 'undefined';
    const ignoreProperties = _global['__Zone_ignore_on_properties'];
    // for browsers that we can patch the descriptor:  Chrome & Firefox
    if (isBrowser) {
        const internalWindow = window;
        const ignoreErrorProperties = isIE ? [{ target: internalWindow, ignoreProperties: ['error'] }] : [];
        // in IE/Edge, onProp not exist in window object, but in WindowPrototype
        // so we need to pass WindowPrototype to check onProp exist or not
        patchFilteredProperties(internalWindow, eventNames.concat(['messageerror']), ignoreProperties ? ignoreProperties.concat(ignoreErrorProperties) : ignoreProperties, ObjectGetPrototypeOf(internalWindow));
        patchFilteredProperties(Document.prototype, eventNames, ignoreProperties);
        if (typeof internalWindow['SVGElement'] !== 'undefined') {
            patchFilteredProperties(internalWindow['SVGElement'].prototype, eventNames, ignoreProperties);
        }
        patchFilteredProperties(Element.prototype, eventNames, ignoreProperties);
        patchFilteredProperties(HTMLElement.prototype, eventNames, ignoreProperties);
        patchFilteredProperties(HTMLMediaElement.prototype, mediaElementEventNames, ignoreProperties);
        patchFilteredProperties(HTMLFrameSetElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);
        patchFilteredProperties(HTMLBodyElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);
        patchFilteredProperties(HTMLFrameElement.prototype, frameEventNames, ignoreProperties);
        patchFilteredProperties(HTMLIFrameElement.prototype, frameEventNames, ignoreProperties);
        const HTMLMarqueeElement = internalWindow['HTMLMarqueeElement'];
        if (HTMLMarqueeElement) {
            patchFilteredProperties(HTMLMarqueeElement.prototype, marqueeEventNames, ignoreProperties);
        }
        const Worker = internalWindow['Worker'];
        if (Worker) {
            patchFilteredProperties(Worker.prototype, workerEventNames, ignoreProperties);
        }
    }
    const XMLHttpRequest = _global['XMLHttpRequest'];
    if (XMLHttpRequest) {
        // XMLHttpRequest is not available in ServiceWorker, so we need to check here
        patchFilteredProperties(XMLHttpRequest.prototype, XMLHttpRequestEventNames, ignoreProperties);
    }
    const XMLHttpRequestEventTarget = _global['XMLHttpRequestEventTarget'];
    if (XMLHttpRequestEventTarget) {
        patchFilteredProperties(XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype, XMLHttpRequestEventNames, ignoreProperties);
    }
    if (typeof IDBIndex !== 'undefined') {
        patchFilteredProperties(IDBIndex.prototype, IDBIndexEventNames, ignoreProperties);
        patchFilteredProperties(IDBRequest.prototype, IDBIndexEventNames, ignoreProperties);
        patchFilteredProperties(IDBOpenDBRequest.prototype, IDBIndexEventNames, ignoreProperties);
        patchFilteredProperties(IDBDatabase.prototype, IDBIndexEventNames, ignoreProperties);
        patchFilteredProperties(IDBTransaction.prototype, IDBIndexEventNames, ignoreProperties);
        patchFilteredProperties(IDBCursor.prototype, IDBIndexEventNames, ignoreProperties);
    }
    if (supportsWebSocket) {
        patchFilteredProperties(WebSocket.prototype, websocketEventNames, ignoreProperties);
    }
}

/**
 * @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('util', (global, Zone, api) => {
    api.patchOnProperties = patchOnProperties;
    api.patchMethod = patchMethod;
    api.bindArguments = bindArguments;
    api.patchMacroTask = patchMacroTask;
    // In earlier version of zone.js (<0.9.0), we use env name `__zone_symbol__BLACK_LISTED_EVENTS` to
    // define which events will not be patched by `Zone.js`.
    // In newer version (>=0.9.0), we change the env name to `__zone_symbol__UNPATCHED_EVENTS` to keep
    // the name consistent with angular repo.
    // The  `__zone_symbol__BLACK_LISTED_EVENTS` is deprecated, but it is still be supported for
    // backwards compatibility.
    const SYMBOL_BLACK_LISTED_EVENTS = Zone.__symbol__('BLACK_LISTED_EVENTS');
    const SYMBOL_UNPATCHED_EVENTS = Zone.__symbol__('UNPATCHED_EVENTS');
    if (global[SYMBOL_UNPATCHED_EVENTS]) {
        global[SYMBOL_BLACK_LISTED_EVENTS] = global[SYMBOL_UNPATCHED_EVENTS];
    }
    if (global[SYMBOL_BLACK_LISTED_EVENTS]) {
        Zone[SYMBOL_BLACK_LISTED_EVENTS] = Zone[SYMBOL_UNPATCHED_EVENTS] =
            global[SYMBOL_BLACK_LISTED_EVENTS];
    }
    api.patchEventPrototype = patchEventPrototype;
    api.patchEventTarget = patchEventTarget;
    api.isIEOrEdge = isIEOrEdge;
    api.ObjectDefineProperty = ObjectDefineProperty;
    api.ObjectGetOwnPropertyDescriptor = ObjectGetOwnPropertyDescriptor;
    api.ObjectCreate = ObjectCreate;
    api.ArraySlice = ArraySlice;
    api.patchClass = patchClass;
    api.wrapWithCurrentZone = wrapWithCurrentZone;
    api.filterProperties = filterProperties;
    api.attachOriginToPatched = attachOriginToPatched;
    api._redefineProperty = _redefineProperty;
    api.patchCallbacks = patchCallbacks;
    api.getGlobalObjects = () => ({
        globalSources,
        zoneSymbolEventNames: zoneSymbolEventNames$1,
        eventNames,
        isBrowser,
        isMix,
        isNode,
        TRUE_STR,
        FALSE_STR,
        ZONE_SYMBOL_PREFIX,
        ADD_EVENT_LISTENER_STR,
        REMOVE_EVENT_LISTENER_STR
    });
});

/**
 * @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
 */

/**
 * @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
 */
/**
 * @fileoverview
 * @suppress {missingRequire}
 */
const taskSymbol = zoneSymbol('zoneTask');
function patchTimer(window, setName, cancelName, nameSuffix) {
    let setNative = null;
    let clearNative = null;
    setName += nameSuffix;
    cancelName += nameSuffix;
    const tasksByHandleId = {};
    function scheduleTask(task) {
        const data = task.data;
        function timer() {
            try {
                task.invoke.apply(this, arguments);
            }
            finally {
                // issue-934, task will be cancelled
                // even it is a periodic task such as
                // setInterval
                if (!(task.data && task.data.isPeriodic)) {
                    if (typeof data.handleId === 'number') {
                        // in non-nodejs env, we remove timerId
                        // from local cache
                        delete tasksByHandleId[data.handleId];
                    }
                    else if (data.handleId) {
                        // Node returns complex objects as handleIds
                        // we remove task reference from timer object
                        data.handleId[taskSymbol] = null;
                    }
                }
            }
        }
        data.args[0] = timer;
        data.handleId = setNative.apply(window, data.args);
        return task;
    }
    function clearTask(task) {
        return clearNative(task.data.handleId);
    }
    setNative =
        patchMethod(window, setName, (delegate) => function (self, args) {
            if (typeof args[0] === 'function') {
                const options = {
                    isPeriodic: nameSuffix === 'Interval',
                    delay: (nameSuffix === 'Timeout' || nameSuffix === 'Interval') ? args[1] || 0 :
                        undefined,
                    args: args
                };
                const task = scheduleMacroTaskWithCurrentZone(setName, args[0], options, scheduleTask, clearTask);
                if (!task) {
                    return task;
                }
                // Node.js must additionally support the ref and unref functions.
                const handle = task.data.handleId;
                if (typeof handle === 'number') {
                    // for non nodejs env, we save handleId: task
                    // mapping in local cache for clearTimeout
                    tasksByHandleId[handle] = task;
                }
                else if (handle) {
                    // for nodejs env, we save task
                    // reference in timerId Object for clearTimeout
                    handle[taskSymbol] = task;
                }
                // check whether handle is null, because some polyfill or browser
                // may return undefined from setTimeout/setInterval/setImmediate/requestAnimationFrame
                if (handle && handle.ref && handle.unref && typeof handle.ref === 'function' &&
                    typeof handle.unref === 'function') {
                    task.ref = handle.ref.bind(handle);
                    task.unref = handle.unref.bind(handle);
                }
                if (typeof handle === 'number' || handle) {
                    return handle;
                }
                return task;
            }
            else {
                // cause an error by calling it directly.
                return delegate.apply(window, args);
            }
        });
    clearNative =
        patchMethod(window, cancelName, (delegate) => function (self, args) {
            const id = args[0];
            let task;
            if (typeof id === 'number') {
                // non nodejs env.
                task = tasksByHandleId[id];
            }
            else {
                // nodejs env.
                task = id && id[taskSymbol];
                // other environments.
                if (!task) {
                    task = id;
                }
            }
            if (task && typeof task.type === 'string') {
                if (task.state !== 'notScheduled' &&
                    (task.cancelFn && task.data.isPeriodic || task.runCount === 0)) {
                    if (typeof id === 'number') {
                        delete tasksByHandleId[id];
                    }
                    else if (id) {
                        id[taskSymbol] = null;
                    }
                    // Do not cancel already canceled functions
                    task.zone.cancelTask(task);
                }
            }
            else {
                // cause an error by calling it directly.
                delegate.apply(window, args);
            }
        });
}

/**
 * @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
 */
function patchCustomElements(_global, api) {
    const { isBrowser, isMix } = api.getGlobalObjects();
    if ((!isBrowser && !isMix) || !_global['customElements'] || !('customElements' in _global)) {
        return;
    }
    const callbacks = ['connectedCallback', 'disconnectedCallback', 'adoptedCallback', 'attributeChangedCallback'];
    api.patchCallbacks(api, _global.customElements, 'customElements', 'define', callbacks);
}

/**
 * @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
 */
function eventTargetPatch(_global, api) {
    if (Zone[api.symbol('patchEventTarget')]) {
        // EventTarget is already patched.
        return;
    }
    const { eventNames, zoneSymbolEventNames, TRUE_STR, FALSE_STR, ZONE_SYMBOL_PREFIX } = api.getGlobalObjects();
    //  predefine all __zone_symbol__ + eventName + true/false string
    for (let i = 0; i < eventNames.length; i++) {
        const eventName = eventNames[i];
        const falseEventName = eventName + FALSE_STR;
        const trueEventName = eventName + TRUE_STR;
        const symbol = ZONE_SYMBOL_PREFIX + falseEventName;
        const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;
        zoneSymbolEventNames[eventName] = {};
        zoneSymbolEventNames[eventName][FALSE_STR] = symbol;
        zoneSymbolEventNames[eventName][TRUE_STR] = symbolCapture;
    }
    const EVENT_TARGET = _global['EventTarget'];
    if (!EVENT_TARGET || !EVENT_TARGET.prototype) {
        return;
    }
    api.patchEventTarget(_global, [EVENT_TARGET && EVENT_TARGET.prototype]);
    return true;
}
function patchEvent(global, api) {
    api.patchEventPrototype(global, api);
}

/**
 * @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
 */
/**
 * @fileoverview
 * @suppress {missingRequire}
 */
Zone.__load_patch('legacy', (global) => {
    const legacyPatch = global[Zone.__symbol__('legacyPatch')];
    if (legacyPatch) {
        legacyPatch();
    }
});
Zone.__load_patch('timers', (global) => {
    const set = 'set';
    const clear = 'clear';
    patchTimer(global, set, clear, 'Timeout');
    patchTimer(global, set, clear, 'Interval');
    patchTimer(global, set, clear, 'Immediate');
});
Zone.__load_patch('requestAnimationFrame', (global) => {
    patchTimer(global, 'request', 'cancel', 'AnimationFrame');
    patchTimer(global, 'mozRequest', 'mozCancel', 'AnimationFrame');
    patchTimer(global, 'webkitRequest', 'webkitCancel', 'AnimationFrame');
});
Zone.__load_patch('blocking', (global, Zone) => {
    const blockingMethods = ['alert', 'prompt', 'confirm'];
    for (let i = 0; i < blockingMethods.length; i++) {
        const name = blockingMethods[i];
        patchMethod(global, name, (delegate, symbol, name) => {
            return function (s, args) {
                return Zone.current.run(delegate, global, args, name);
            };
        });
    }
});
Zone.__load_patch('EventTarget', (global, Zone, api) => {
    patchEvent(global, api);
    eventTargetPatch(global, api);
    // patch XMLHttpRequestEventTarget's addEventListener/removeEventListener
    const XMLHttpRequestEventTarget = global['XMLHttpRequestEventTarget'];
    if (XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype) {
        api.patchEventTarget(global, [XMLHttpRequestEventTarget.prototype]);
    }
    patchClass('MutationObserver');
    patchClass('WebKitMutationObserver');
    patchClass('IntersectionObserver');
    patchClass('FileReader');
});
Zone.__load_patch('on_property', (global, Zone, api) => {
    propertyDescriptorPatch(api, global);
    propertyPatch();
});
Zone.__load_patch('customElements', (global, Zone, api) => {
    patchCustomElements(global, api);
});
Zone.__load_patch('XHR', (global, Zone) => {
    // Treat XMLHttpRequest as a macrotask.
    patchXHR(global);
    const XHR_TASK = zoneSymbol('xhrTask');
    const XHR_SYNC = zoneSymbol('xhrSync');
    const XHR_LISTENER = zoneSymbol('xhrListener');
    const XHR_SCHEDULED = zoneSymbol('xhrScheduled');
    const XHR_URL = zoneSymbol('xhrURL');
    const XHR_ERROR_BEFORE_SCHEDULED = zoneSymbol('xhrErrorBeforeScheduled');
    function patchXHR(window) {
        const XMLHttpRequest = window['XMLHttpRequest'];
        if (!XMLHttpRequest) {
            // XMLHttpRequest is not available in service worker
            return;
        }
        const XMLHttpRequestPrototype = XMLHttpRequest.prototype;
        function findPendingTask(target) {
            return target[XHR_TASK];
        }
        let oriAddListener = XMLHttpRequestPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];
        let oriRemoveListener = XMLHttpRequestPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];
        if (!oriAddListener) {
            const XMLHttpRequestEventTarget = window['XMLHttpRequestEventTarget'];
            if (XMLHttpRequestEventTarget) {
                const XMLHttpRequestEventTargetPrototype = XMLHttpRequestEventTarget.prototype;
                oriAddListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];
                oriRemoveListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];
            }
        }
        const READY_STATE_CHANGE = 'readystatechange';
        const SCHEDULED = 'scheduled';
        function scheduleTask(task) {
            const data = task.data;
            const target = data.target;
            target[XHR_SCHEDULED] = false;
            target[XHR_ERROR_BEFORE_SCHEDULED] = false;
            // remove existing event listener
            const listener = target[XHR_LISTENER];
            if (!oriAddListener) {
                oriAddListener = target[ZONE_SYMBOL_ADD_EVENT_LISTENER];
                oriRemoveListener = target[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];
            }
            if (listener) {
                oriRemoveListener.call(target, READY_STATE_CHANGE, listener);
            }
            const newListener = target[XHR_LISTENER] = () => {
                if (target.readyState === target.DONE) {
                    // sometimes on some browsers XMLHttpRequest will fire onreadystatechange with
                    // readyState=4 multiple times, so we need to check task state here
                    if (!data.aborted && target[XHR_SCHEDULED] && task.state === SCHEDULED) {
                        // check whether the xhr has registered onload listener
                        // if that is the case, the task should invoke after all
                        // onload listeners finish.
                        const loadTasks = target['__zone_symbol__loadfalse'];
                        if (loadTasks && loadTasks.length > 0) {
                            const oriInvoke = task.invoke;
                            task.invoke = function () {
                                // need to load the tasks again, because in other
                                // load listener, they may remove themselves
                                const loadTasks = target['__zone_symbol__loadfalse'];
                                for (let i = 0; i < loadTasks.length; i++) {
                                    if (loadTasks[i] === task) {
                                        loadTasks.splice(i, 1);
                                    }
                                }
                                if (!data.aborted && task.state === SCHEDULED) {
                                    oriInvoke.call(task);
                                }
                            };
                            loadTasks.push(task);
                        }
                        else {
                            task.invoke();
                        }
                    }
                    else if (!data.aborted && target[XHR_SCHEDULED] === false) {
                        // error occurs when xhr.send()
                        target[XHR_ERROR_BEFORE_SCHEDULED] = true;
                    }
                }
            };
            oriAddListener.call(target, READY_STATE_CHANGE, newListener);
            const storedTask = target[XHR_TASK];
            if (!storedTask) {
                target[XHR_TASK] = task;
            }
            sendNative.apply(target, data.args);
            target[XHR_SCHEDULED] = true;
            return task;
        }
        function placeholderCallback() { }
        function clearTask(task) {
            const data = task.data;
            // Note - ideally, we would call data.target.removeEventListener here, but it's too late
            // to prevent it from firing. So instead, we store info for the event listener.
            data.aborted = true;
            return abortNative.apply(data.target, data.args);
        }
        const openNative = patchMethod(XMLHttpRequestPrototype, 'open', () => function (self, args) {
            self[XHR_SYNC] = args[2] == false;
            self[XHR_URL] = args[1];
            return openNative.apply(self, args);
        });
        const XMLHTTPREQUEST_SOURCE = 'XMLHttpRequest.send';
        const fetchTaskAborting = zoneSymbol('fetchTaskAborting');
        const fetchTaskScheduling = zoneSymbol('fetchTaskScheduling');
        const sendNative = patchMethod(XMLHttpRequestPrototype, 'send', () => function (self, args) {
            if (Zone.current[fetchTaskScheduling] === true) {
                // a fetch is scheduling, so we are using xhr to polyfill fetch
                // and because we already schedule macroTask for fetch, we should
                // not schedule a macroTask for xhr again
                return sendNative.apply(self, args);
            }
            if (self[XHR_SYNC]) {
                // if the XHR is sync there is no task to schedule, just execute the code.
                return sendNative.apply(self, args);
            }
            else {
                const options = { target: self, url: self[XHR_URL], isPeriodic: false, args: args, aborted: false };
                const task = scheduleMacroTaskWithCurrentZone(XMLHTTPREQUEST_SOURCE, placeholderCallback, options, scheduleTask, clearTask);
                if (self && self[XHR_ERROR_BEFORE_SCHEDULED] === true && !options.aborted &&
                    task.state === SCHEDULED) {
                    // xhr request throw error when send
                    // we should invoke task instead of leaving a scheduled
                    // pending macroTask
                    task.invoke();
                }
            }
        });
        const abortNative = patchMethod(XMLHttpRequestPrototype, 'abort', () => function (self, args) {
            const task = findPendingTask(self);
            if (task && typeof task.type == 'string') {
                // If the XHR has already completed, do nothing.
                // If the XHR has already been aborted, do nothing.
                // Fix #569, call abort multiple times before done will cause
                // macroTask task count be negative number
                if (task.cancelFn == null || (task.data && task.data.aborted)) {
                    return;
                }
                task.zone.cancelTask(task);
            }
            else if (Zone.current[fetchTaskAborting] === true) {
                // the abort is called from fetch polyfill, we need to call native abort of XHR.
                return abortNative.apply(self, args);
            }
            // Otherwise, we are trying to abort an XHR which has not yet been sent, so there is no
            // task
            // to cancel. Do nothing.
        });
    }
});
Zone.__load_patch('geolocation', (global) => {
    /// GEO_LOCATION
    if (global['navigator'] && global['navigator'].geolocation) {
        patchPrototype(global['navigator'].geolocation, ['getCurrentPosition', 'watchPosition']);
    }
});
Zone.__load_patch('PromiseRejectionEvent', (global, Zone) => {
    // handle unhandled promise rejection
    function findPromiseRejectionHandler(evtName) {
        return function (e) {
            const eventTasks = findEventTasks(global, evtName);
            eventTasks.forEach(eventTask => {
                // windows has added unhandledrejection event listener
                // trigger the event listener
                const PromiseRejectionEvent = global['PromiseRejectionEvent'];
                if (PromiseRejectionEvent) {
                    const evt = new PromiseRejectionEvent(evtName, { promise: e.promise, reason: e.rejection });
                    eventTask.invoke(evt);
                }
            });
        };
    }
    if (global['PromiseRejectionEvent']) {
        Zone[zoneSymbol('unhandledPromiseRejectionHandler')] =
            findPromiseRejectionHandler('unhandledrejection');
        Zone[zoneSymbol('rejectionHandledHandler')] =
            findPromiseRejectionHandler('rejectionhandled');
    }
});

/**
 * @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
 */


/***/ }),

/***/ "./src/polyfills.ts":
/*!**************************!*\
  !*** ./src/polyfills.ts ***!
  \**************************/
/*! no exports provided */
/***/ (function(module, __webpack_exports__, __webpack_require__) {

"use strict";
__webpack_require__.r(__webpack_exports__);
/* harmony import */ var web_animations_js__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! web-animations-js */ "./node_modules/web-animations-js/web-animations.min.js");
/* harmony import */ var web_animations_js__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(web_animations_js__WEBPACK_IMPORTED_MODULE_0__);
/* harmony import */ var zone_js_dist_zone__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! zone.js/dist/zone */ "./node_modules/zone.js/dist/zone-evergreen.js");
/* harmony import */ var zone_js_dist_zone__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(zone_js_dist_zone__WEBPACK_IMPORTED_MODULE_1__);
/**
 * This file includes polyfills needed by Angular and is loaded before the app.
 * You can add your own extra polyfills to this file.
 *
 * This file is divided into 2 sections:
 *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
 *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
 *      file.
 *
 * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
 * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
 * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
 *
 * Learn more in https://angular.io/guide/browser-support
 */
/***************************************************************************************************
 * BROWSER POLYFILLS
 */
/** IE10 and IE11 requires the following for NgClass support on SVG elements */
// import 'classlist.js';  // Run `npm install --save classlist.js`.
/**
 * Web Animations `@angular/platform-browser/animations`
 * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
 * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
 */
 // Run `npm install --save web-animations-js`.
/**
 * By default, zone.js will patch all possible macroTask and DomEvents
 * user can disable parts of macroTask/DomEvents patch by setting following flags
 * because those flags need to be set before `zone.js` being loaded, and webpack
 * will put import in the top of bundle, so user need to create a separate file
 * in this directory (for example: zone-flags.ts), and put the following flags
 * into that file, and then add the following code before importing zone.js.
 * import './zone-flags.ts';
 *
 * The flags allowed in zone-flags.ts are listed here.
 *
 * The following flags will work for all browsers.
 *
 * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
 * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
 * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
 *
 * in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
 * with the following flag, it will bypass `zone.js` patch for IE/Edge
 *
 *  (window as any).__Zone_enable_cross_context_check = true;
 *
 */
/***************************************************************************************************
 * Zone JS is required by default for Angular itself.
 */
 // Included with Angular CLI.
/***************************************************************************************************
 * APPLICATION IMPORTS
 */
// Add global to window, assigning the value of window itself.
window.global = window;


/***/ }),

/***/ 2:
/*!********************************!*\
  !*** multi ./src/polyfills.ts ***!
  \********************************/
/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__(/*! D:\1.PROJECTS\ActionAid\repo\actionaid_angular\actionaid_angular\src\polyfills.ts */"./src/polyfills.ts");


/***/ })

},[[2,"runtime"]]]);