text: (window["webpackJsonp"] = window["webpackJsonp"] || []).push([["polyfills"],{
  
  /***/ "./node_modules/zone.js/dist/zone-evergreen.js":
  /*!*****************************************************!*\
    !*** ./node_modules/zone.js/dist/zone-evergreen.js ***!
    \*****************************************************/
  /*! no static exports found */
  /***/ (function(module, exports, __webpack_require__) {
  
  var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;/**
  * @license Angular v9.1.0-next.4+61.sha-e552591.with-local-changes
  * (c) 2010-2020 Google LLC. https://angular.io/
  * License: MIT
  */
  (function (factory) {
       true ? !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
  				__WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
  				(__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
  				__WEBPACK_AMD_DEFINE_FACTORY__),
  				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)) :
      undefined;
  }((function () { 'use strict';
  
      /**
       * @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');
          // Initialize before it's accessed below.
          // __Zone_symbol_prefix global can be used to override the default zone
          // symbol prefix with a custom one if needed.
          const symbolPrefix = global['__Zone_symbol_prefix'] || '__zone_symbol__';
          function __symbol__(name) { return symbolPrefix + name; }
          const checkDuplicate = global[__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; }
              // tslint:disable-next-line:require-internal-with-underscore
              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);
                  }
              }
          }
          // tslint:disable-next-line:require-internal-with-underscore
          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._forkCurrZone);
                  this._interceptZS =
                      zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS);
                  this._interceptDlgt =
                      zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt);
                  this._interceptCurrZone =
                      zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate._interceptCurrZone);
                  this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS);
                  this._invokeDlgt =
                      zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt);
                  this._invokeCurrZone =
                      zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate._invokeCurrZone);
                  this._handleErrorZS =
                      zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS);
                  this._handleErrorDlgt = zoneSpec &&
                      (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt);
                  this._handleErrorCurrZone =
                      zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate._handleErrorCurrZone);
                  this._scheduleTaskZS =
                      zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS);
                  this._scheduleTaskDlgt = zoneSpec &&
                      (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt);
                  this._scheduleTaskCurrZone = zoneSpec &&
                      (zoneSpec.onScheduleTask ? this.zone : parentDelegate._scheduleTaskCurrZone);
                  this._invokeTaskZS =
                      zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS);
                  this._invokeTaskDlgt =
                      zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt);
                  this._invokeTaskCurrZone =
                      zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate._invokeTaskCurrZone);
                  this._cancelTaskZS =
                      zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS);
                  this._cancelTaskDlgt =
                      zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt);
                  this._cancelTaskCurrZone =
                      zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate._cancelTaskCurrZone);
                  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);
                      }
                      // clang-format off
                      returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task);
                      // clang-format on
                      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);
                  }
              }
              // tslint:disable-next-line:require-internal-with-underscore
              _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) {
                  // tslint:disable-next-line:require-internal-with-underscore
                  this._zone = null;
                  this.runCount = 0;
                  // tslint:disable-next-line:require-internal-with-underscore
                  this._zoneDelegates = null;
                  // tslint:disable-next-line:require-internal-with-underscore
                  this._state = 'notScheduled';
                  this.type = type;
                  this.source = source;
                  this.data = options;
                  this.scheduleFn = scheduleFn;
                  this.cancelFn = cancelFn;
                  if (!callback) {
                      throw new Error('callback is not defined');
                  }
                  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); }
              // tslint:disable-next-line:require-internal-with-underscore
              _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() { }
          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 isDisableWrappingUncaughtPromiseRejection = global[__symbol__('DISABLE_WRAPPING_UNCAUGHT_PROMISE_REJECTION')] === true;
          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) {
                  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 (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;
                          let uncaughtPromiseError = value;
                          if (!isDisableWrappingUncaughtPromiseRejection) {
                              // If disable wrapping uncaught promise reject
                              // and the rejected value is an Error object,
                              // use the value instead of wrapping it.
                              try {
                                  // Here we throws a new Error to print more readable error log
                                  // and if the value is not an error, zone.js builds an `Error`
                                  // Object here to attach the stack information.
                                  throw new Error('Uncaught (in promise): ' + readableObjectToString(value) +
                                      (value && value.stack ? '\n' + value.stack : ''));
                              }
                              catch (err) {
                                  uncaughtPromiseError = err;
                              }
                          }
                          uncaughtPromiseError.rejection = value;
                          uncaughtPromiseError.promise = promise;
                          uncaughtPromiseError.zone = Zone.current;
                          uncaughtPromiseError.task = Zone.currentTask;
                          _uncaughtPromiseErrors.push(uncaughtPromiseError);
                          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] }';
          const noop = function () { };
          class ZoneAwarePromise {
              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) { return ZoneAwarePromise.allWithCallback(values); }
              static allSettled(values) {
                  const P = this && this.prototype instanceof ZoneAwarePromise ? this : ZoneAwarePromise;
                  return P.allWithCallback(values, {
                      thenCallback: (value) => ({ status: 'fulfilled', value }),
                      errorCallback: (err) => ({ status: 'rejected', reason: err })
                  });
              }
              static allWithCallback(values, callback) {
                  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;
                      try {
                          value.then((value) => {
                              resolvedValues[curValueIndex] = callback ? callback.thenCallback(value) : value;
                              unresolvedCount--;
                              if (unresolvedCount === 0) {
                                  resolve(resolvedValues);
                              }
                          }, (err) => {
                              if (!callback) {
                                  reject(err);
                              }
                              else {
                                  resolvedValues[curValueIndex] = callback.errorCallback(err);
                                  unresolvedCount--;
                                  if (unresolvedCount === 0) {
                                      resolve(resolvedValues);
                                  }
                              }
                          });
                      }
                      catch (thenErr) {
                          reject(thenErr);
                      }
                      unresolvedCount++;
                      valueIndex++;
                  }
                  // Make the unresolvedCount zero-based again.
                  unresolvedCount -= 2;
                  if (unresolvedCount === 0) {
                      resolve(resolvedValues);
                  }
                  return promise;
              }
              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);
                  }
              }
              get [Symbol.toStringTag]() { return 'Promise'; }
              get [Symbol.species]() { return ZoneAwarePromise; }
              then(onFulfilled, onRejected) {
                  let C = this.constructor[Symbol.species];
                  if (!C || typeof C !== 'function') {
                      C = this.constructor || ZoneAwarePromise;
                  }
                  const chainPromise = new C(noop);
                  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) {
                  let C = this.constructor[Symbol.species];
                  if (!C || typeof C !== 'function') {
                      C = ZoneAwarePromise;
                  }
                  const chainPromise = new C(noop);
                  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}
       */
      /// <reference types="node"/>
      // 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 prefix 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
       */
      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$1 = {};
      const globalSources = {};
      const EVENT_NAME_SYMBOL_REGX = new RegExp('^' + ZONE_SYMBOL_PREFIX + '(\\w+)(true|false)$');
      const IMMEDIATE_PROPAGATION_SYMBOL = zoneSymbol('propagationStopped');
      function prepareEventNames(eventName, eventNameToString) {
          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;
      }
      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];
              }
              /**
               * This util function will build an option object with passive option
               * to handle all possible input from the user.
               */
              function buildEventListenerOptions(options, passive) {
                  if (!passiveSupported && typeof options === 'object' && options) {
                      // doesn't support passive but user want to pass an object as options.
                      // this will not work on some old browser, so we just pass a boolean
                      // as useCapture parameter
                      return !!options.capture;
                  }
                  if (!passiveSupported || !passive) {
                      return options;
                  }
                  if (typeof options === 'boolean') {
                      return { capture: options, passive: true };
                  }
                  if (!options) {
                      return { passive: true };
                  }
                  if (typeof options === 'object' && options.passive !== false) {
                      return Object.assign(Object.assign({}, options), { passive: true });
                  }
                  return 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;
                  }
                  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) {
                  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[zoneSymbol('BLACK_LISTED_EVENTS')];
              const passiveEvents = _global[zoneSymbol('PASSIVE_EVENTS')];
              const makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget = false, prepend = false) {
                  return function () {
                      const target = this || _global;
                      let eventName = arguments[0];
                      if (patchOptions && patchOptions.transferEventName) {
                          eventName = patchOptions.transferEventName(eventName);
                      }
                      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 passive = passiveSupported && !!passiveEvents && passiveEvents.indexOf(eventName) !== -1;
                      const options = buildEventListenerOptions(arguments[2], passive);
                      if (blackListedEvents) {
                          // check black list
                          for (let i = 0; i < blackListedEvents.length; i++) {
                              if (eventName === blackListedEvents[i]) {
                                  if (passive) {
                                      return nativeListener.call(target, eventName, delegate, options);
                                  }
                                  else {
                                      return nativeListener.apply(this, arguments);
                                  }
                              }
                          }
                      }
                      const capture = !options ? false : typeof options === 'boolean' ? true : options.capture;
                      const once = options && typeof options === 'object' ? options.once : false;
                      const zone = Zone.current;
                      let symbolEventNames = zoneSymbolEventNames$1[eventName];
                      if (!symbolEventNames) {
                          prepareEventNames(eventName, eventNameToString);
                          symbolEventNames = zoneSymbolEventNames$1[eventName];
                      }
                      const 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;
                  let eventName = arguments[0];
                  if (patchOptions && patchOptions.transferEventName) {
                      eventName = patchOptions.transferEventName(eventName);
                  }
                  const options = arguments[2];
                  const capture = !options ? false : typeof options === 'boolean' ? true : options.capture;
                  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;
                                  // in the target, we have an event listener which is added by on_property
                                  // such as target.onclick = function() {}, so we need to clear this internal
                                  // property too if all delegates all removed
                                  if (typeof eventName === 'string') {
                                      const onPropertySymbol = ZONE_SYMBOL_PREFIX + 'ON_PROPERTY' + eventName;
                                      target[onPropertySymbol] = 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;
                  let eventName = arguments[0];
                  if (patchOptions && patchOptions.transferEventName) {
                      eventName = patchOptions.transferEventName(eventName);
                  }
                  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;
                  let 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 {
                      if (patchOptions && patchOptions.transferEventName) {
                          eventName = patchOptions.transferEventName(eventName);
                      }
                      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) {
          if (!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;
          }
          let symbolEventName = zoneSymbolEventNames$1[eventName];
          if (!symbolEventName) {
              prepareEventNames(eventName);
              symbolEventName = zoneSymbolEventNames$1[eventName];
          }
          const captureFalseTasks = target[symbolEventName[FALSE_STR]];
          const captureTrueTasks = target[symbolEventName[TRUE_STR]];
          if (!captureFalseTasks) {
              return captureTrueTasks ? captureTrueTasks.slice() : [];
          }
          else {
              return captureTrueTasks ? captureFalseTasks.concat(captureTrueTasks) :
                  captureFalseTasks.slice();
          }
      }
      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
       */
      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',
          'vrdisplayconnected',
          '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 = Object.defineProperty;
          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
       */
      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
       */
      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);
      });
      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');
          }
      });
  
  })));
  
  
  /***/ }),
  
  /***/ "./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 zone_js_dist_zone__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! zone.js/dist/zone */ "./node_modules/zone.js/dist/zone-evergreen.js");
  /* harmony import */ var zone_js_dist_zone__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(zone_js_dist_zone__WEBPACK_IMPORTED_MODULE_0__);
  /**
   * 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).
   */
  // import 'web-animations-js';  // 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';
   *
   * 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
   */
  
  
  /***/ }),
  
  /***/ 1:
  /*!********************************!*\
    !*** multi ./src/polyfills.ts ***!
    \********************************/
  /*! no static exports found */
  /***/ (function(module, exports, __webpack_require__) {
  
  module.exports = __webpack_require__(/*! C:\Users\ededi\dev\fesper\fesper\angular-laravel\resources\app\src\polyfills.ts */"./src/polyfills.ts");
  
  
  /***/ })
  
  },[[1,"runtime"]]]);
  //# sourceMappingURL=polyfills.js.map