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@license\r\n* Copyright Google Inc. All Rights Reserved.\r\n*\r\n* Use of this source code is governed by an MIT-style license that can be\r\n* found in the LICENSE file at https://angular.io/license\r\n*/\r\n(function (global, factory) {\r\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? factory() :\r\n\ttypeof define === 'function' && define.amd ? define(factory) :\r\n\t(factory());\r\n}(this, (function () { 'use strict';\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nvar Zone$1 = (function (global) {\r\n    var performance = global['performance'];\r\n    function mark(name) {\r\n        performance && performance['mark'] && performance['mark'](name);\r\n    }\r\n    function performanceMeasure(name, label) {\r\n        performance && performance['measure'] && performance['measure'](name, label);\r\n    }\r\n    mark('Zone');\r\n    var checkDuplicate = global[('__zone_symbol__forceDuplicateZoneCheck')] === true;\r\n    if (global['Zone']) {\r\n        // if global['Zone'] already exists (maybe zone.js was already loaded or\r\n        // some other lib also registered a global object named Zone), we may need\r\n        // to throw an error, but sometimes user may not want this error.\r\n        // For example,\r\n        // we have two web pages, page1 includes zone.js, page2 doesn't.\r\n        // and the 1st time user load page1 and page2, everything work fine,\r\n        // but when user load page2 again, error occurs because global['Zone'] already exists.\r\n        // so we add a flag to let user choose whether to throw this error or not.\r\n        // By default, if existing Zone is from zone.js, we will not throw the error.\r\n        if (checkDuplicate || typeof global['Zone'].__symbol__ !== 'function') {\r\n            throw new Error('Zone already loaded.');\r\n        }\r\n        else {\r\n            return global['Zone'];\r\n        }\r\n    }\r\n    var Zone = /** @class */ (function () {\r\n        function Zone(parent, zoneSpec) {\r\n            this._parent = parent;\r\n            this._name = zoneSpec ? zoneSpec.name || 'unnamed' : '<root>';\r\n            this._properties = zoneSpec && zoneSpec.properties || {};\r\n            this._zoneDelegate =\r\n                new ZoneDelegate(this, this._parent && this._parent._zoneDelegate, zoneSpec);\r\n        }\r\n        Zone.assertZonePatched = function () {\r\n            if (global['Promise'] !== patches['ZoneAwarePromise']) {\r\n                throw new Error('Zone.js has detected that ZoneAwarePromise `(window|global).Promise` ' +\r\n                    'has been overwritten.\\n' +\r\n                    'Most likely cause is that a Promise polyfill has been loaded ' +\r\n                    'after Zone.js (Polyfilling Promise api is not necessary when zone.js is loaded. ' +\r\n                    'If you must load one, do so before loading zone.js.)');\r\n            }\r\n        };\r\n        Object.defineProperty(Zone, \"root\", {\r\n            get: function () {\r\n                var zone = Zone.current;\r\n                while (zone.parent) {\r\n                    zone = zone.parent;\r\n                }\r\n                return zone;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        Object.defineProperty(Zone, \"current\", {\r\n            get: function () {\r\n                return _currentZoneFrame.zone;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        Object.defineProperty(Zone, \"currentTask\", {\r\n            get: function () {\r\n                return _currentTask;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        Zone.__load_patch = function (name, fn) {\r\n            if (patches.hasOwnProperty(name)) {\r\n                if (checkDuplicate) {\r\n                    throw Error('Already loaded patch: ' + name);\r\n                }\r\n            }\r\n            else if (!global['__Zone_disable_' + name]) {\r\n                var perfName = 'Zone:' + name;\r\n                mark(perfName);\r\n                patches[name] = fn(global, Zone, _api);\r\n                performanceMeasure(perfName, perfName);\r\n            }\r\n        };\r\n        Object.defineProperty(Zone.prototype, \"parent\", {\r\n            get: function () {\r\n                return this._parent;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        Object.defineProperty(Zone.prototype, \"name\", {\r\n            get: function () {\r\n                return this._name;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        Zone.prototype.get = function (key) {\r\n            var zone = this.getZoneWith(key);\r\n            if (zone)\r\n                return zone._properties[key];\r\n        };\r\n        Zone.prototype.getZoneWith = function (key) {\r\n            var current = this;\r\n            while (current) {\r\n                if (current._properties.hasOwnProperty(key)) {\r\n                    return current;\r\n                }\r\n                current = current._parent;\r\n            }\r\n            return null;\r\n        };\r\n        Zone.prototype.fork = function (zoneSpec) {\r\n            if (!zoneSpec)\r\n                throw new Error('ZoneSpec required!');\r\n            return this._zoneDelegate.fork(this, zoneSpec);\r\n        };\r\n        Zone.prototype.wrap = function (callback, source) {\r\n            if (typeof callback !== 'function') {\r\n                throw new Error('Expecting function got: ' + callback);\r\n            }\r\n            var _callback = this._zoneDelegate.intercept(this, callback, source);\r\n            var zone = this;\r\n            return function () {\r\n                return zone.runGuarded(_callback, this, arguments, source);\r\n            };\r\n        };\r\n        Zone.prototype.run = function (callback, applyThis, applyArgs, source) {\r\n            _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\r\n            try {\r\n                return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);\r\n            }\r\n            finally {\r\n                _currentZoneFrame = _currentZoneFrame.parent;\r\n            }\r\n        };\r\n        Zone.prototype.runGuarded = function (callback, applyThis, applyArgs, source) {\r\n            if (applyThis === void 0) { applyThis = null; }\r\n            _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\r\n            try {\r\n                try {\r\n                    return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source);\r\n                }\r\n                catch (error) {\r\n                    if (this._zoneDelegate.handleError(this, error)) {\r\n                        throw error;\r\n                    }\r\n                }\r\n            }\r\n            finally {\r\n                _currentZoneFrame = _currentZoneFrame.parent;\r\n            }\r\n        };\r\n        Zone.prototype.runTask = function (task, applyThis, applyArgs) {\r\n            if (task.zone != this) {\r\n                throw new Error('A task can only be run in the zone of creation! (Creation: ' +\r\n                    (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');\r\n            }\r\n            // https://github.com/angular/zone.js/issues/778, sometimes eventTask\r\n            // will run in notScheduled(canceled) state, we should not try to\r\n            // run such kind of task but just return\r\n            if (task.state === notScheduled && (task.type === eventTask || task.type === macroTask)) {\r\n                return;\r\n            }\r\n            var reEntryGuard = task.state != running;\r\n            reEntryGuard && task._transitionTo(running, scheduled);\r\n            task.runCount++;\r\n            var previousTask = _currentTask;\r\n            _currentTask = task;\r\n            _currentZoneFrame = { parent: _currentZoneFrame, zone: this };\r\n            try {\r\n                if (task.type == macroTask && task.data && !task.data.isPeriodic) {\r\n                    task.cancelFn = undefined;\r\n                }\r\n                try {\r\n                    return this._zoneDelegate.invokeTask(this, task, applyThis, applyArgs);\r\n                }\r\n                catch (error) {\r\n                    if (this._zoneDelegate.handleError(this, error)) {\r\n                        throw error;\r\n                    }\r\n                }\r\n            }\r\n            finally {\r\n                // if the task's state is notScheduled or unknown, then it has already been cancelled\r\n                // we should not reset the state to scheduled\r\n                if (task.state !== notScheduled && task.state !== unknown) {\r\n                    if (task.type == eventTask || (task.data && task.data.isPeriodic)) {\r\n                        reEntryGuard && task._transitionTo(scheduled, running);\r\n                    }\r\n                    else {\r\n                        task.runCount = 0;\r\n                        this._updateTaskCount(task, -1);\r\n                        reEntryGuard &&\r\n                            task._transitionTo(notScheduled, running, notScheduled);\r\n                    }\r\n                }\r\n                _currentZoneFrame = _currentZoneFrame.parent;\r\n                _currentTask = previousTask;\r\n            }\r\n        };\r\n        Zone.prototype.scheduleTask = function (task) {\r\n            if (task.zone && task.zone !== this) {\r\n                // check if the task was rescheduled, the newZone\r\n                // should not be the children of the original zone\r\n                var newZone = this;\r\n                while (newZone) {\r\n                    if (newZone === task.zone) {\r\n                        throw Error(\"can not reschedule task to \" + this.name + \" which is descendants of the original zone \" + task.zone.name);\r\n                    }\r\n                    newZone = newZone.parent;\r\n                }\r\n            }\r\n            task._transitionTo(scheduling, notScheduled);\r\n            var zoneDelegates = [];\r\n            task._zoneDelegates = zoneDelegates;\r\n            task._zone = this;\r\n            try {\r\n                task = this._zoneDelegate.scheduleTask(this, task);\r\n            }\r\n            catch (err) {\r\n                // should set task's state to unknown when scheduleTask throw error\r\n                // because the err may from reschedule, so the fromState maybe notScheduled\r\n                task._transitionTo(unknown, scheduling, notScheduled);\r\n                // TODO: @JiaLiPassion, should we check the result from handleError?\r\n                this._zoneDelegate.handleError(this, err);\r\n                throw err;\r\n            }\r\n            if (task._zoneDelegates === zoneDelegates) {\r\n                // we have to check because internally the delegate can reschedule the task.\r\n                this._updateTaskCount(task, 1);\r\n            }\r\n            if (task.state == scheduling) {\r\n                task._transitionTo(scheduled, scheduling);\r\n            }\r\n            return task;\r\n        };\r\n        Zone.prototype.scheduleMicroTask = function (source, callback, data, customSchedule) {\r\n            return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, undefined));\r\n        };\r\n        Zone.prototype.scheduleMacroTask = function (source, callback, data, customSchedule, customCancel) {\r\n            return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel));\r\n        };\r\n        Zone.prototype.scheduleEventTask = function (source, callback, data, customSchedule, customCancel) {\r\n            return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel));\r\n        };\r\n        Zone.prototype.cancelTask = function (task) {\r\n            if (task.zone != this)\r\n                throw new Error('A task can only be cancelled in the zone of creation! (Creation: ' +\r\n                    (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')');\r\n            task._transitionTo(canceling, scheduled, running);\r\n            try {\r\n                this._zoneDelegate.cancelTask(this, task);\r\n            }\r\n            catch (err) {\r\n                // if error occurs when cancelTask, transit the state to unknown\r\n                task._transitionTo(unknown, canceling);\r\n                this._zoneDelegate.handleError(this, err);\r\n                throw err;\r\n            }\r\n            this._updateTaskCount(task, -1);\r\n            task._transitionTo(notScheduled, canceling);\r\n            task.runCount = 0;\r\n            return task;\r\n        };\r\n        Zone.prototype._updateTaskCount = function (task, count) {\r\n            var zoneDelegates = task._zoneDelegates;\r\n            if (count == -1) {\r\n                task._zoneDelegates = null;\r\n            }\r\n            for (var i = 0; i < zoneDelegates.length; i++) {\r\n                zoneDelegates[i]._updateTaskCount(task.type, count);\r\n            }\r\n        };\r\n        Zone.__symbol__ = __symbol__;\r\n        return Zone;\r\n    }());\r\n    var DELEGATE_ZS = {\r\n        name: '',\r\n        onHasTask: function (delegate, _, target, hasTaskState) { return delegate.hasTask(target, hasTaskState); },\r\n        onScheduleTask: function (delegate, _, target, task) {\r\n            return delegate.scheduleTask(target, task);\r\n        },\r\n        onInvokeTask: function (delegate, _, target, task, applyThis, applyArgs) {\r\n            return delegate.invokeTask(target, task, applyThis, applyArgs);\r\n        },\r\n        onCancelTask: function (delegate, _, target, task) { return delegate.cancelTask(target, task); }\r\n    };\r\n    var ZoneDelegate = /** @class */ (function () {\r\n        function ZoneDelegate(zone, parentDelegate, zoneSpec) {\r\n            this._taskCounts = { 'microTask': 0, 'macroTask': 0, 'eventTask': 0 };\r\n            this.zone = zone;\r\n            this._parentDelegate = parentDelegate;\r\n            this._forkZS = zoneSpec && (zoneSpec && zoneSpec.onFork ? zoneSpec : parentDelegate._forkZS);\r\n            this._forkDlgt = zoneSpec && (zoneSpec.onFork ? parentDelegate : parentDelegate._forkDlgt);\r\n            this._forkCurrZone = zoneSpec && (zoneSpec.onFork ? this.zone : parentDelegate.zone);\r\n            this._interceptZS =\r\n                zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS);\r\n            this._interceptDlgt =\r\n                zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt);\r\n            this._interceptCurrZone =\r\n                zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate.zone);\r\n            this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS);\r\n            this._invokeDlgt =\r\n                zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt);\r\n            this._invokeCurrZone = zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate.zone);\r\n            this._handleErrorZS =\r\n                zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS);\r\n            this._handleErrorDlgt =\r\n                zoneSpec && (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt);\r\n            this._handleErrorCurrZone =\r\n                zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate.zone);\r\n            this._scheduleTaskZS =\r\n                zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS);\r\n            this._scheduleTaskDlgt = zoneSpec &&\r\n                (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt);\r\n            this._scheduleTaskCurrZone =\r\n                zoneSpec && (zoneSpec.onScheduleTask ? this.zone : parentDelegate.zone);\r\n            this._invokeTaskZS =\r\n                zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS);\r\n            this._invokeTaskDlgt =\r\n                zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt);\r\n            this._invokeTaskCurrZone =\r\n                zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate.zone);\r\n            this._cancelTaskZS =\r\n                zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS);\r\n            this._cancelTaskDlgt =\r\n                zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt);\r\n            this._cancelTaskCurrZone =\r\n                zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate.zone);\r\n            this._hasTaskZS = null;\r\n            this._hasTaskDlgt = null;\r\n            this._hasTaskDlgtOwner = null;\r\n            this._hasTaskCurrZone = null;\r\n            var zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask;\r\n            var parentHasTask = parentDelegate && parentDelegate._hasTaskZS;\r\n            if (zoneSpecHasTask || parentHasTask) {\r\n                // If we need to report hasTask, than this ZS needs to do ref counting on tasks. In such\r\n                // a case all task related interceptors must go through this ZD. We can't short circuit it.\r\n                this._hasTaskZS = zoneSpecHasTask ? zoneSpec : DELEGATE_ZS;\r\n                this._hasTaskDlgt = parentDelegate;\r\n                this._hasTaskDlgtOwner = this;\r\n                this._hasTaskCurrZone = zone;\r\n                if (!zoneSpec.onScheduleTask) {\r\n                    this._scheduleTaskZS = DELEGATE_ZS;\r\n                    this._scheduleTaskDlgt = parentDelegate;\r\n                    this._scheduleTaskCurrZone = this.zone;\r\n                }\r\n                if (!zoneSpec.onInvokeTask) {\r\n                    this._invokeTaskZS = DELEGATE_ZS;\r\n                    this._invokeTaskDlgt = parentDelegate;\r\n                    this._invokeTaskCurrZone = this.zone;\r\n                }\r\n                if (!zoneSpec.onCancelTask) {\r\n                    this._cancelTaskZS = DELEGATE_ZS;\r\n                    this._cancelTaskDlgt = parentDelegate;\r\n                    this._cancelTaskCurrZone = this.zone;\r\n                }\r\n            }\r\n        }\r\n        ZoneDelegate.prototype.fork = function (targetZone, zoneSpec) {\r\n            return this._forkZS ? this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) :\r\n                new Zone(targetZone, zoneSpec);\r\n        };\r\n        ZoneDelegate.prototype.intercept = function (targetZone, callback, source) {\r\n            return this._interceptZS ?\r\n                this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) :\r\n                callback;\r\n        };\r\n        ZoneDelegate.prototype.invoke = function (targetZone, callback, applyThis, applyArgs, source) {\r\n            return this._invokeZS ? this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) :\r\n                callback.apply(applyThis, applyArgs);\r\n        };\r\n        ZoneDelegate.prototype.handleError = function (targetZone, error) {\r\n            return this._handleErrorZS ?\r\n                this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) :\r\n                true;\r\n        };\r\n        ZoneDelegate.prototype.scheduleTask = function (targetZone, task) {\r\n            var returnTask = task;\r\n            if (this._scheduleTaskZS) {\r\n                if (this._hasTaskZS) {\r\n                    returnTask._zoneDelegates.push(this._hasTaskDlgtOwner);\r\n                }\r\n                returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task);\r\n                if (!returnTask)\r\n                    returnTask = task;\r\n            }\r\n            else {\r\n                if (task.scheduleFn) {\r\n                    task.scheduleFn(task);\r\n                }\r\n                else if (task.type == microTask) {\r\n                    scheduleMicroTask(task);\r\n                }\r\n                else {\r\n                    throw new Error('Task is missing scheduleFn.');\r\n                }\r\n            }\r\n            return returnTask;\r\n        };\r\n        ZoneDelegate.prototype.invokeTask = function (targetZone, task, applyThis, applyArgs) {\r\n            return this._invokeTaskZS ? this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) :\r\n                task.callback.apply(applyThis, applyArgs);\r\n        };\r\n        ZoneDelegate.prototype.cancelTask = function (targetZone, task) {\r\n            var value;\r\n            if (this._cancelTaskZS) {\r\n                value = this._cancelTaskZS.onCancelTask(this._cancelTaskDlgt, this._cancelTaskCurrZone, targetZone, task);\r\n            }\r\n            else {\r\n                if (!task.cancelFn) {\r\n                    throw Error('Task is not cancelable');\r\n                }\r\n                value = task.cancelFn(task);\r\n            }\r\n            return value;\r\n        };\r\n        ZoneDelegate.prototype.hasTask = function (targetZone, isEmpty) {\r\n            // hasTask should not throw error so other ZoneDelegate\r\n            // can still trigger hasTask callback\r\n            try {\r\n                this._hasTaskZS &&\r\n                    this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty);\r\n            }\r\n            catch (err) {\r\n                this.handleError(targetZone, err);\r\n            }\r\n        };\r\n        ZoneDelegate.prototype._updateTaskCount = function (type, count) {\r\n            var counts = this._taskCounts;\r\n            var prev = counts[type];\r\n            var next = counts[type] = prev + count;\r\n            if (next < 0) {\r\n                throw new Error('More tasks executed then were scheduled.');\r\n            }\r\n            if (prev == 0 || next == 0) {\r\n                var isEmpty = {\r\n                    microTask: counts['microTask'] > 0,\r\n                    macroTask: counts['macroTask'] > 0,\r\n                    eventTask: counts['eventTask'] > 0,\r\n                    change: type\r\n                };\r\n                this.hasTask(this.zone, isEmpty);\r\n            }\r\n        };\r\n        return ZoneDelegate;\r\n    }());\r\n    var ZoneTask = /** @class */ (function () {\r\n        function ZoneTask(type, source, callback, options, scheduleFn, cancelFn) {\r\n            this._zone = null;\r\n            this.runCount = 0;\r\n            this._zoneDelegates = null;\r\n            this._state = 'notScheduled';\r\n            this.type = type;\r\n            this.source = source;\r\n            this.data = options;\r\n            this.scheduleFn = scheduleFn;\r\n            this.cancelFn = cancelFn;\r\n            this.callback = callback;\r\n            var self = this;\r\n            // TODO: @JiaLiPassion options should have interface\r\n            if (type === eventTask && options && options.useG) {\r\n                this.invoke = ZoneTask.invokeTask;\r\n            }\r\n            else {\r\n                this.invoke = function () {\r\n                    return ZoneTask.invokeTask.call(global, self, this, arguments);\r\n                };\r\n            }\r\n        }\r\n        ZoneTask.invokeTask = function (task, target, args) {\r\n            if (!task) {\r\n                task = this;\r\n            }\r\n            _numberOfNestedTaskFrames++;\r\n            try {\r\n                task.runCount++;\r\n                return task.zone.runTask(task, target, args);\r\n            }\r\n            finally {\r\n                if (_numberOfNestedTaskFrames == 1) {\r\n                    drainMicroTaskQueue();\r\n                }\r\n                _numberOfNestedTaskFrames--;\r\n            }\r\n        };\r\n        Object.defineProperty(ZoneTask.prototype, \"zone\", {\r\n            get: function () {\r\n                return this._zone;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        Object.defineProperty(ZoneTask.prototype, \"state\", {\r\n            get: function () {\r\n                return this._state;\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        ZoneTask.prototype.cancelScheduleRequest = function () {\r\n            this._transitionTo(notScheduled, scheduling);\r\n        };\r\n        ZoneTask.prototype._transitionTo = function (toState, fromState1, fromState2) {\r\n            if (this._state === fromState1 || this._state === fromState2) {\r\n                this._state = toState;\r\n                if (toState == notScheduled) {\r\n                    this._zoneDelegates = null;\r\n                }\r\n            }\r\n            else {\r\n                throw new Error(this.type + \" '\" + this.source + \"': can not transition to '\" + toState + \"', expecting state '\" + fromState1 + \"'\" + (fromState2 ? ' or \\'' + fromState2 + '\\'' : '') + \", was '\" + this._state + \"'.\");\r\n            }\r\n        };\r\n        ZoneTask.prototype.toString = function () {\r\n            if (this.data && typeof this.data.handleId !== 'undefined') {\r\n                return this.data.handleId.toString();\r\n            }\r\n            else {\r\n                return Object.prototype.toString.call(this);\r\n            }\r\n        };\r\n        // add toJSON method to prevent cyclic error when\r\n        // call JSON.stringify(zoneTask)\r\n        ZoneTask.prototype.toJSON = function () {\r\n            return {\r\n                type: this.type,\r\n                state: this.state,\r\n                source: this.source,\r\n                zone: this.zone.name,\r\n                runCount: this.runCount\r\n            };\r\n        };\r\n        return ZoneTask;\r\n    }());\r\n    //////////////////////////////////////////////////////\r\n    //////////////////////////////////////////////////////\r\n    ///  MICROTASK QUEUE\r\n    //////////////////////////////////////////////////////\r\n    //////////////////////////////////////////////////////\r\n    var symbolSetTimeout = __symbol__('setTimeout');\r\n    var symbolPromise = __symbol__('Promise');\r\n    var symbolThen = __symbol__('then');\r\n    var _microTaskQueue = [];\r\n    var _isDrainingMicrotaskQueue = false;\r\n    var nativeMicroTaskQueuePromise;\r\n    function scheduleMicroTask(task) {\r\n        // if we are not running in any task, and there has not been anything scheduled\r\n        // we must bootstrap the initial task creation by manually scheduling the drain\r\n        if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) {\r\n            // We are not running in Task, so we need to kickstart the microtask queue.\r\n            if (!nativeMicroTaskQueuePromise) {\r\n                if (global[symbolPromise]) {\r\n                    nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0);\r\n                }\r\n            }\r\n            if (nativeMicroTaskQueuePromise) {\r\n                var nativeThen = nativeMicroTaskQueuePromise[symbolThen];\r\n                if (!nativeThen) {\r\n                    // native Promise is not patchable, we need to use `then` directly\r\n                    // issue 1078\r\n                    nativeThen = nativeMicroTaskQueuePromise['then'];\r\n                }\r\n                nativeThen.call(nativeMicroTaskQueuePromise, drainMicroTaskQueue);\r\n            }\r\n            else {\r\n                global[symbolSetTimeout](drainMicroTaskQueue, 0);\r\n            }\r\n        }\r\n        task && _microTaskQueue.push(task);\r\n    }\r\n    function drainMicroTaskQueue() {\r\n        if (!_isDrainingMicrotaskQueue) {\r\n            _isDrainingMicrotaskQueue = true;\r\n            while (_microTaskQueue.length) {\r\n                var queue = _microTaskQueue;\r\n                _microTaskQueue = [];\r\n                for (var i = 0; i < queue.length; i++) {\r\n                    var task = queue[i];\r\n                    try {\r\n                        task.zone.runTask(task, null, null);\r\n                    }\r\n                    catch (error) {\r\n                        _api.onUnhandledError(error);\r\n                    }\r\n                }\r\n            }\r\n            _api.microtaskDrainDone();\r\n            _isDrainingMicrotaskQueue = false;\r\n        }\r\n    }\r\n    //////////////////////////////////////////////////////\r\n    //////////////////////////////////////////////////////\r\n    ///  BOOTSTRAP\r\n    //////////////////////////////////////////////////////\r\n    //////////////////////////////////////////////////////\r\n    var NO_ZONE = { name: 'NO ZONE' };\r\n    var notScheduled = 'notScheduled', scheduling = 'scheduling', scheduled = 'scheduled', running = 'running', canceling = 'canceling', unknown = 'unknown';\r\n    var microTask = 'microTask', macroTask = 'macroTask', eventTask = 'eventTask';\r\n    var patches = {};\r\n    var _api = {\r\n        symbol: __symbol__,\r\n        currentZoneFrame: function () { return _currentZoneFrame; },\r\n        onUnhandledError: noop,\r\n        microtaskDrainDone: noop,\r\n        scheduleMicroTask: scheduleMicroTask,\r\n        showUncaughtError: function () { return !Zone[__symbol__('ignoreConsoleErrorUncaughtError')]; },\r\n        patchEventTarget: function () { return []; },\r\n        patchOnProperties: noop,\r\n        patchMethod: function () { return noop; },\r\n        bindArguments: function () { return []; },\r\n        patchThen: function () { return noop; },\r\n        patchMacroTask: function () { return noop; },\r\n        setNativePromise: function (NativePromise) {\r\n            // sometimes NativePromise.resolve static function\r\n            // is not ready yet, (such as core-js/es6.promise)\r\n            // so we need to check here.\r\n            if (NativePromise && typeof NativePromise.resolve === 'function') {\r\n                nativeMicroTaskQueuePromise = NativePromise.resolve(0);\r\n            }\r\n        },\r\n        patchEventPrototype: function () { return noop; },\r\n        isIEOrEdge: function () { return false; },\r\n        getGlobalObjects: function () { return undefined; },\r\n        ObjectDefineProperty: function () { return noop; },\r\n        ObjectGetOwnPropertyDescriptor: function () { return undefined; },\r\n        ObjectCreate: function () { return undefined; },\r\n        ArraySlice: function () { return []; },\r\n        patchClass: function () { return noop; },\r\n        wrapWithCurrentZone: function () { return noop; },\r\n        filterProperties: function () { return []; },\r\n        attachOriginToPatched: function () { return noop; },\r\n        _redefineProperty: function () { return noop; },\r\n        patchCallbacks: function () { return noop; }\r\n    };\r\n    var _currentZoneFrame = { parent: null, zone: new Zone(null, null) };\r\n    var _currentTask = null;\r\n    var _numberOfNestedTaskFrames = 0;\r\n    function noop() { }\r\n    function __symbol__(name) {\r\n        return '__zone_symbol__' + name;\r\n    }\r\n    performanceMeasure('Zone', 'Zone');\r\n    return global['Zone'] = Zone;\r\n})(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);\r\n\r\nvar __values = (undefined && undefined.__values) || function (o) {\r\n    var m = typeof Symbol === \"function\" && o[Symbol.iterator], i = 0;\r\n    if (m) return m.call(o);\r\n    return {\r\n        next: function () {\r\n            if (o && i >= o.length) o = void 0;\r\n            return { value: o && o[i++], done: !o };\r\n        }\r\n    };\r\n};\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nZone.__load_patch('ZoneAwarePromise', function (global, Zone, api) {\r\n    var ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\r\n    var ObjectDefineProperty = Object.defineProperty;\r\n    function readableObjectToString(obj) {\r\n        if (obj && obj.toString === Object.prototype.toString) {\r\n            var className = obj.constructor && obj.constructor.name;\r\n            return (className ? className : '') + ': ' + JSON.stringify(obj);\r\n        }\r\n        return obj ? obj.toString() : Object.prototype.toString.call(obj);\r\n    }\r\n    var __symbol__ = api.symbol;\r\n    var _uncaughtPromiseErrors = [];\r\n    var symbolPromise = __symbol__('Promise');\r\n    var symbolThen = __symbol__('then');\r\n    var creationTrace = '__creationTrace__';\r\n    api.onUnhandledError = function (e) {\r\n        if (api.showUncaughtError()) {\r\n            var rejection = e && e.rejection;\r\n            if (rejection) {\r\n                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);\r\n            }\r\n            else {\r\n                console.error(e);\r\n            }\r\n        }\r\n    };\r\n    api.microtaskDrainDone = function () {\r\n        while (_uncaughtPromiseErrors.length) {\r\n            var _loop_1 = function () {\r\n                var uncaughtPromiseError = _uncaughtPromiseErrors.shift();\r\n                try {\r\n                    uncaughtPromiseError.zone.runGuarded(function () {\r\n                        throw uncaughtPromiseError;\r\n                    });\r\n                }\r\n                catch (error) {\r\n                    handleUnhandledRejection(error);\r\n                }\r\n            };\r\n            while (_uncaughtPromiseErrors.length) {\r\n                _loop_1();\r\n            }\r\n        }\r\n    };\r\n    var UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL = __symbol__('unhandledPromiseRejectionHandler');\r\n    function handleUnhandledRejection(e) {\r\n        api.onUnhandledError(e);\r\n        try {\r\n            var handler = Zone[UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL];\r\n            if (handler && typeof handler === 'function') {\r\n                handler.call(this, e);\r\n            }\r\n        }\r\n        catch (err) {\r\n        }\r\n    }\r\n    function isThenable(value) {\r\n        return value && value.then;\r\n    }\r\n    function forwardResolution(value) {\r\n        return value;\r\n    }\r\n    function forwardRejection(rejection) {\r\n        return ZoneAwarePromise.reject(rejection);\r\n    }\r\n    var symbolState = __symbol__('state');\r\n    var symbolValue = __symbol__('value');\r\n    var symbolFinally = __symbol__('finally');\r\n    var symbolParentPromiseValue = __symbol__('parentPromiseValue');\r\n    var symbolParentPromiseState = __symbol__('parentPromiseState');\r\n    var source = 'Promise.then';\r\n    var UNRESOLVED = null;\r\n    var RESOLVED = true;\r\n    var REJECTED = false;\r\n    var REJECTED_NO_CATCH = 0;\r\n    function makeResolver(promise, state) {\r\n        return function (v) {\r\n            try {\r\n                resolvePromise(promise, state, v);\r\n            }\r\n            catch (err) {\r\n                resolvePromise(promise, false, err);\r\n            }\r\n            // Do not return value or you will break the Promise spec.\r\n        };\r\n    }\r\n    var once = function () {\r\n        var wasCalled = false;\r\n        return function wrapper(wrappedFunction) {\r\n            return function () {\r\n                if (wasCalled) {\r\n                    return;\r\n                }\r\n                wasCalled = true;\r\n                wrappedFunction.apply(null, arguments);\r\n            };\r\n        };\r\n    };\r\n    var TYPE_ERROR = 'Promise resolved with itself';\r\n    var CURRENT_TASK_TRACE_SYMBOL = __symbol__('currentTaskTrace');\r\n    // Promise Resolution\r\n    function resolvePromise(promise, state, value) {\r\n        var onceWrapper = once();\r\n        if (promise === value) {\r\n            throw new TypeError(TYPE_ERROR);\r\n        }\r\n        if (promise[symbolState] === UNRESOLVED) {\r\n            // should only get value.then once based on promise spec.\r\n            var then = null;\r\n            try {\r\n                if (typeof value === 'object' || typeof value === 'function') {\r\n                    then = value && value.then;\r\n                }\r\n            }\r\n            catch (err) {\r\n                onceWrapper(function () {\r\n                    resolvePromise(promise, false, err);\r\n                })();\r\n                return promise;\r\n            }\r\n            // if (value instanceof ZoneAwarePromise) {\r\n            if (state !== REJECTED && value instanceof ZoneAwarePromise &&\r\n                value.hasOwnProperty(symbolState) && value.hasOwnProperty(symbolValue) &&\r\n                value[symbolState] !== UNRESOLVED) {\r\n                clearRejectedNoCatch(value);\r\n                resolvePromise(promise, value[symbolState], value[symbolValue]);\r\n            }\r\n            else if (state !== REJECTED && typeof then === 'function') {\r\n                try {\r\n                    then.call(value, onceWrapper(makeResolver(promise, state)), onceWrapper(makeResolver(promise, false)));\r\n                }\r\n                catch (err) {\r\n                    onceWrapper(function () {\r\n                        resolvePromise(promise, false, err);\r\n                    })();\r\n                }\r\n            }\r\n            else {\r\n                promise[symbolState] = state;\r\n                var queue = promise[symbolValue];\r\n                promise[symbolValue] = value;\r\n                if (promise[symbolFinally] === symbolFinally) {\r\n                    // the promise is generated by Promise.prototype.finally\r\n                    if (state === RESOLVED) {\r\n                        // the state is resolved, should ignore the value\r\n                        // and use parent promise value\r\n                        promise[symbolState] = promise[symbolParentPromiseState];\r\n                        promise[symbolValue] = promise[symbolParentPromiseValue];\r\n                    }\r\n                }\r\n                // record task information in value when error occurs, so we can\r\n                // do some additional work such as render longStackTrace\r\n                if (state === REJECTED && value instanceof Error) {\r\n                    // check if longStackTraceZone is here\r\n                    var trace = Zone.currentTask && Zone.currentTask.data &&\r\n                        Zone.currentTask.data[creationTrace];\r\n                    if (trace) {\r\n                        // only keep the long stack trace into error when in longStackTraceZone\r\n                        ObjectDefineProperty(value, CURRENT_TASK_TRACE_SYMBOL, { configurable: true, enumerable: false, writable: true, value: trace });\r\n                    }\r\n                }\r\n                for (var i = 0; i < queue.length;) {\r\n                    scheduleResolveOrReject(promise, queue[i++], queue[i++], queue[i++], queue[i++]);\r\n                }\r\n                if (queue.length == 0 && state == REJECTED) {\r\n                    promise[symbolState] = REJECTED_NO_CATCH;\r\n                    try {\r\n                        // try to print more readable error log\r\n                        throw new Error('Uncaught (in promise): ' + readableObjectToString(value) +\r\n                            (value && value.stack ? '\\n' + value.stack : ''));\r\n                    }\r\n                    catch (err) {\r\n                        var error_1 = err;\r\n                        error_1.rejection = value;\r\n                        error_1.promise = promise;\r\n                        error_1.zone = Zone.current;\r\n                        error_1.task = Zone.currentTask;\r\n                        _uncaughtPromiseErrors.push(error_1);\r\n                        api.scheduleMicroTask(); // to make sure that it is running\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        // Resolving an already resolved promise is a noop.\r\n        return promise;\r\n    }\r\n    var REJECTION_HANDLED_HANDLER = __symbol__('rejectionHandledHandler');\r\n    function clearRejectedNoCatch(promise) {\r\n        if (promise[symbolState] === REJECTED_NO_CATCH) {\r\n            // if the promise is rejected no catch status\r\n            // and queue.length > 0, means there is a error handler\r\n            // here to handle the rejected promise, we should trigger\r\n            // windows.rejectionhandled eventHandler or nodejs rejectionHandled\r\n            // eventHandler\r\n            try {\r\n                var handler = Zone[REJECTION_HANDLED_HANDLER];\r\n                if (handler && typeof handler === 'function') {\r\n                    handler.call(this, { rejection: promise[symbolValue], promise: promise });\r\n                }\r\n            }\r\n            catch (err) {\r\n            }\r\n            promise[symbolState] = REJECTED;\r\n            for (var i = 0; i < _uncaughtPromiseErrors.length; i++) {\r\n                if (promise === _uncaughtPromiseErrors[i].promise) {\r\n                    _uncaughtPromiseErrors.splice(i, 1);\r\n                }\r\n            }\r\n        }\r\n    }\r\n    function scheduleResolveOrReject(promise, zone, chainPromise, onFulfilled, onRejected) {\r\n        clearRejectedNoCatch(promise);\r\n        var promiseState = promise[symbolState];\r\n        var delegate = promiseState ?\r\n            (typeof onFulfilled === 'function') ? onFulfilled : forwardResolution :\r\n            (typeof onRejected === 'function') ? onRejected : forwardRejection;\r\n        zone.scheduleMicroTask(source, function () {\r\n            try {\r\n                var parentPromiseValue = promise[symbolValue];\r\n                var isFinallyPromise = chainPromise && symbolFinally === chainPromise[symbolFinally];\r\n                if (isFinallyPromise) {\r\n                    // if the promise is generated from finally call, keep parent promise's state and value\r\n                    chainPromise[symbolParentPromiseValue] = parentPromiseValue;\r\n                    chainPromise[symbolParentPromiseState] = promiseState;\r\n                }\r\n                // should not pass value to finally callback\r\n                var value = zone.run(delegate, undefined, isFinallyPromise && delegate !== forwardRejection && delegate !== forwardResolution ?\r\n                    [] :\r\n                    [parentPromiseValue]);\r\n                resolvePromise(chainPromise, true, value);\r\n            }\r\n            catch (error) {\r\n                // if error occurs, should always return this error\r\n                resolvePromise(chainPromise, false, error);\r\n            }\r\n        }, chainPromise);\r\n    }\r\n    var ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }';\r\n    var ZoneAwarePromise = /** @class */ (function () {\r\n        function ZoneAwarePromise(executor) {\r\n            var promise = this;\r\n            if (!(promise instanceof ZoneAwarePromise)) {\r\n                throw new Error('Must be an instanceof Promise.');\r\n            }\r\n            promise[symbolState] = UNRESOLVED;\r\n            promise[symbolValue] = []; // queue;\r\n            try {\r\n                executor && executor(makeResolver(promise, RESOLVED), makeResolver(promise, REJECTED));\r\n            }\r\n            catch (error) {\r\n                resolvePromise(promise, false, error);\r\n            }\r\n        }\r\n        ZoneAwarePromise.toString = function () {\r\n            return ZONE_AWARE_PROMISE_TO_STRING;\r\n        };\r\n        ZoneAwarePromise.resolve = function (value) {\r\n            return resolvePromise(new this(null), RESOLVED, value);\r\n        };\r\n        ZoneAwarePromise.reject = function (error) {\r\n            return resolvePromise(new this(null), REJECTED, error);\r\n        };\r\n        ZoneAwarePromise.race = function (values) {\r\n            var e_1, _a;\r\n            var resolve;\r\n            var reject;\r\n            var promise = new this(function (res, rej) {\r\n                resolve = res;\r\n                reject = rej;\r\n            });\r\n            function onResolve(value) {\r\n                resolve(value);\r\n            }\r\n            function onReject(error) {\r\n                reject(error);\r\n            }\r\n            try {\r\n                for (var values_1 = __values(values), values_1_1 = values_1.next(); !values_1_1.done; values_1_1 = values_1.next()) {\r\n                    var value = values_1_1.value;\r\n                    if (!isThenable(value)) {\r\n                        value = this.resolve(value);\r\n                    }\r\n                    value.then(onResolve, onReject);\r\n                }\r\n            }\r\n            catch (e_1_1) { e_1 = { error: e_1_1 }; }\r\n            finally {\r\n                try {\r\n                    if (values_1_1 && !values_1_1.done && (_a = values_1.return)) _a.call(values_1);\r\n                }\r\n                finally { if (e_1) throw e_1.error; }\r\n            }\r\n            return promise;\r\n        };\r\n        ZoneAwarePromise.all = function (values) {\r\n            var e_2, _a;\r\n            var resolve;\r\n            var reject;\r\n            var promise = new this(function (res, rej) {\r\n                resolve = res;\r\n                reject = rej;\r\n            });\r\n            // Start at 2 to prevent prematurely resolving if .then is called immediately.\r\n            var unresolvedCount = 2;\r\n            var valueIndex = 0;\r\n            var resolvedValues = [];\r\n            var _loop_2 = function (value) {\r\n                if (!isThenable(value)) {\r\n                    value = this_1.resolve(value);\r\n                }\r\n                var curValueIndex = valueIndex;\r\n                value.then(function (value) {\r\n                    resolvedValues[curValueIndex] = value;\r\n                    unresolvedCount--;\r\n                    if (unresolvedCount === 0) {\r\n                        resolve(resolvedValues);\r\n                    }\r\n                }, reject);\r\n                unresolvedCount++;\r\n                valueIndex++;\r\n            };\r\n            var this_1 = this;\r\n            try {\r\n                for (var values_2 = __values(values), values_2_1 = values_2.next(); !values_2_1.done; values_2_1 = values_2.next()) {\r\n                    var value = values_2_1.value;\r\n                    _loop_2(value);\r\n                }\r\n            }\r\n            catch (e_2_1) { e_2 = { error: e_2_1 }; }\r\n            finally {\r\n                try {\r\n                    if (values_2_1 && !values_2_1.done && (_a = values_2.return)) _a.call(values_2);\r\n                }\r\n                finally { if (e_2) throw e_2.error; }\r\n            }\r\n            // Make the unresolvedCount zero-based again.\r\n            unresolvedCount -= 2;\r\n            if (unresolvedCount === 0) {\r\n                resolve(resolvedValues);\r\n            }\r\n            return promise;\r\n        };\r\n        Object.defineProperty(ZoneAwarePromise.prototype, Symbol.toStringTag, {\r\n            get: function () {\r\n                return 'Promise';\r\n            },\r\n            enumerable: true,\r\n            configurable: true\r\n        });\r\n        ZoneAwarePromise.prototype.then = function (onFulfilled, onRejected) {\r\n            var chainPromise = new this.constructor(null);\r\n            var zone = Zone.current;\r\n            if (this[symbolState] == UNRESOLVED) {\r\n                this[symbolValue].push(zone, chainPromise, onFulfilled, onRejected);\r\n            }\r\n            else {\r\n                scheduleResolveOrReject(this, zone, chainPromise, onFulfilled, onRejected);\r\n            }\r\n            return chainPromise;\r\n        };\r\n        ZoneAwarePromise.prototype.catch = function (onRejected) {\r\n            return this.then(null, onRejected);\r\n        };\r\n        ZoneAwarePromise.prototype.finally = function (onFinally) {\r\n            var chainPromise = new this.constructor(null);\r\n            chainPromise[symbolFinally] = symbolFinally;\r\n            var zone = Zone.current;\r\n            if (this[symbolState] == UNRESOLVED) {\r\n                this[symbolValue].push(zone, chainPromise, onFinally, onFinally);\r\n            }\r\n            else {\r\n                scheduleResolveOrReject(this, zone, chainPromise, onFinally, onFinally);\r\n            }\r\n            return chainPromise;\r\n        };\r\n        return ZoneAwarePromise;\r\n    }());\r\n    // Protect against aggressive optimizers dropping seemingly unused properties.\r\n    // E.g. Closure Compiler in advanced mode.\r\n    ZoneAwarePromise['resolve'] = ZoneAwarePromise.resolve;\r\n    ZoneAwarePromise['reject'] = ZoneAwarePromise.reject;\r\n    ZoneAwarePromise['race'] = ZoneAwarePromise.race;\r\n    ZoneAwarePromise['all'] = ZoneAwarePromise.all;\r\n    var NativePromise = global[symbolPromise] = global['Promise'];\r\n    var ZONE_AWARE_PROMISE = Zone.__symbol__('ZoneAwarePromise');\r\n    var desc = ObjectGetOwnPropertyDescriptor(global, 'Promise');\r\n    if (!desc || desc.configurable) {\r\n        desc && delete desc.writable;\r\n        desc && delete desc.value;\r\n        if (!desc) {\r\n            desc = { configurable: true, enumerable: true };\r\n        }\r\n        desc.get = function () {\r\n            // if we already set ZoneAwarePromise, use patched one\r\n            // otherwise return native one.\r\n            return global[ZONE_AWARE_PROMISE] ? global[ZONE_AWARE_PROMISE] : global[symbolPromise];\r\n        };\r\n        desc.set = function (NewNativePromise) {\r\n            if (NewNativePromise === ZoneAwarePromise) {\r\n                // if the NewNativePromise is ZoneAwarePromise\r\n                // save to global\r\n                global[ZONE_AWARE_PROMISE] = NewNativePromise;\r\n            }\r\n            else {\r\n                // if the NewNativePromise is not ZoneAwarePromise\r\n                // for example: after load zone.js, some library just\r\n                // set es6-promise to global, if we set it to global\r\n                // directly, assertZonePatched will fail and angular\r\n                // will not loaded, so we just set the NewNativePromise\r\n                // to global[symbolPromise], so the result is just like\r\n                // we load ES6 Promise before zone.js\r\n                global[symbolPromise] = NewNativePromise;\r\n                if (!NewNativePromise.prototype[symbolThen]) {\r\n                    patchThen(NewNativePromise);\r\n                }\r\n                api.setNativePromise(NewNativePromise);\r\n            }\r\n        };\r\n        ObjectDefineProperty(global, 'Promise', desc);\r\n    }\r\n    global['Promise'] = ZoneAwarePromise;\r\n    var symbolThenPatched = __symbol__('thenPatched');\r\n    function patchThen(Ctor) {\r\n        var proto = Ctor.prototype;\r\n        var prop = ObjectGetOwnPropertyDescriptor(proto, 'then');\r\n        if (prop && (prop.writable === false || !prop.configurable)) {\r\n            // check Ctor.prototype.then propertyDescriptor is writable or not\r\n            // in meteor env, writable is false, we should ignore such case\r\n            return;\r\n        }\r\n        var originalThen = proto.then;\r\n        // Keep a reference to the original method.\r\n        proto[symbolThen] = originalThen;\r\n        Ctor.prototype.then = function (onResolve, onReject) {\r\n            var _this = this;\r\n            var wrapped = new ZoneAwarePromise(function (resolve, reject) {\r\n                originalThen.call(_this, resolve, reject);\r\n            });\r\n            return wrapped.then(onResolve, onReject);\r\n        };\r\n        Ctor[symbolThenPatched] = true;\r\n    }\r\n    api.patchThen = patchThen;\r\n    function zoneify(fn) {\r\n        return function () {\r\n            var resultPromise = fn.apply(this, arguments);\r\n            if (resultPromise instanceof ZoneAwarePromise) {\r\n                return resultPromise;\r\n            }\r\n            var ctor = resultPromise.constructor;\r\n            if (!ctor[symbolThenPatched]) {\r\n                patchThen(ctor);\r\n            }\r\n            return resultPromise;\r\n        };\r\n    }\r\n    if (NativePromise) {\r\n        patchThen(NativePromise);\r\n        var fetch_1 = global['fetch'];\r\n        if (typeof fetch_1 == 'function') {\r\n            global[api.symbol('fetch')] = fetch_1;\r\n            global['fetch'] = zoneify(fetch_1);\r\n        }\r\n    }\r\n    // This is not part of public API, but it is useful for tests, so we expose it.\r\n    Promise[Zone.__symbol__('uncaughtPromiseErrors')] = _uncaughtPromiseErrors;\r\n    return ZoneAwarePromise;\r\n});\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/**\r\n * Suppress closure compiler errors about unknown 'Zone' variable\r\n * @fileoverview\r\n * @suppress {undefinedVars,globalThis,missingRequire}\r\n */\r\n// issue #989, to reduce bundle size, use short name\r\n/** Object.getOwnPropertyDescriptor */\r\nvar ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;\r\n/** Object.defineProperty */\r\nvar ObjectDefineProperty = Object.defineProperty;\r\n/** Object.getPrototypeOf */\r\nvar ObjectGetPrototypeOf = Object.getPrototypeOf;\r\n/** Object.create */\r\nvar ObjectCreate = Object.create;\r\n/** Array.prototype.slice */\r\nvar ArraySlice = Array.prototype.slice;\r\n/** addEventListener string const */\r\nvar ADD_EVENT_LISTENER_STR = 'addEventListener';\r\n/** removeEventListener string const */\r\nvar REMOVE_EVENT_LISTENER_STR = 'removeEventListener';\r\n/** zoneSymbol addEventListener */\r\nvar ZONE_SYMBOL_ADD_EVENT_LISTENER = Zone.__symbol__(ADD_EVENT_LISTENER_STR);\r\n/** zoneSymbol removeEventListener */\r\nvar ZONE_SYMBOL_REMOVE_EVENT_LISTENER = Zone.__symbol__(REMOVE_EVENT_LISTENER_STR);\r\n/** true string const */\r\nvar TRUE_STR = 'true';\r\n/** false string const */\r\nvar FALSE_STR = 'false';\r\n/** __zone_symbol__ string const */\r\nvar ZONE_SYMBOL_PREFIX = '__zone_symbol__';\r\nfunction wrapWithCurrentZone(callback, source) {\r\n    return Zone.current.wrap(callback, source);\r\n}\r\nfunction scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) {\r\n    return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel);\r\n}\r\nvar zoneSymbol = Zone.__symbol__;\r\nvar isWindowExists = typeof window !== 'undefined';\r\nvar internalWindow = isWindowExists ? window : undefined;\r\nvar _global = isWindowExists && internalWindow || typeof self === 'object' && self || global;\r\nvar REMOVE_ATTRIBUTE = 'removeAttribute';\r\nvar NULL_ON_PROP_VALUE = [null];\r\nfunction bindArguments(args, source) {\r\n    for (var i = args.length - 1; i >= 0; i--) {\r\n        if (typeof args[i] === 'function') {\r\n            args[i] = wrapWithCurrentZone(args[i], source + '_' + i);\r\n        }\r\n    }\r\n    return args;\r\n}\r\nfunction patchPrototype(prototype, fnNames) {\r\n    var source = prototype.constructor['name'];\r\n    var _loop_1 = function (i) {\r\n        var name_1 = fnNames[i];\r\n        var delegate = prototype[name_1];\r\n        if (delegate) {\r\n            var prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, name_1);\r\n            if (!isPropertyWritable(prototypeDesc)) {\r\n                return \"continue\";\r\n            }\r\n            prototype[name_1] = (function (delegate) {\r\n                var patched = function () {\r\n                    return delegate.apply(this, bindArguments(arguments, source + '.' + name_1));\r\n                };\r\n                attachOriginToPatched(patched, delegate);\r\n                return patched;\r\n            })(delegate);\r\n        }\r\n    };\r\n    for (var i = 0; i < fnNames.length; i++) {\r\n        _loop_1(i);\r\n    }\r\n}\r\nfunction isPropertyWritable(propertyDesc) {\r\n    if (!propertyDesc) {\r\n        return true;\r\n    }\r\n    if (propertyDesc.writable === false) {\r\n        return false;\r\n    }\r\n    return !(typeof propertyDesc.get === 'function' && typeof propertyDesc.set === 'undefined');\r\n}\r\nvar isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope);\r\n// Make sure to access `process` through `_global` so that WebPack does not accidentally browserify\r\n// this code.\r\nvar isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' &&\r\n    {}.toString.call(_global.process) === '[object process]');\r\nvar isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']);\r\n// we are in electron of nw, so we are both browser and nodejs\r\n// Make sure to access `process` through `_global` so that WebPack does not accidentally browserify\r\n// this code.\r\nvar isMix = typeof _global.process !== 'undefined' &&\r\n    {}.toString.call(_global.process) === '[object process]' && !isWebWorker &&\r\n    !!(isWindowExists && internalWindow['HTMLElement']);\r\nvar zoneSymbolEventNames = {};\r\nvar wrapFn = function (event) {\r\n    // https://github.com/angular/zone.js/issues/911, in IE, sometimes\r\n    // event will be undefined, so we need to use window.event\r\n    event = event || _global.event;\r\n    if (!event) {\r\n        return;\r\n    }\r\n    var eventNameSymbol = zoneSymbolEventNames[event.type];\r\n    if (!eventNameSymbol) {\r\n        eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol('ON_PROPERTY' + event.type);\r\n    }\r\n    var target = this || event.target || _global;\r\n    var listener = target[eventNameSymbol];\r\n    var result;\r\n    if (isBrowser && target === internalWindow && event.type === 'error') {\r\n        // window.onerror have different signiture\r\n        // https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onerror#window.onerror\r\n        // and onerror callback will prevent default when callback return true\r\n        var errorEvent = event;\r\n        result = listener &&\r\n            listener.call(this, errorEvent.message, errorEvent.filename, errorEvent.lineno, errorEvent.colno, errorEvent.error);\r\n        if (result === true) {\r\n            event.preventDefault();\r\n        }\r\n    }\r\n    else {\r\n        result = listener && listener.apply(this, arguments);\r\n        if (result != undefined && !result) {\r\n            event.preventDefault();\r\n        }\r\n    }\r\n    return result;\r\n};\r\nfunction patchProperty(obj, prop, prototype) {\r\n    var desc = ObjectGetOwnPropertyDescriptor(obj, prop);\r\n    if (!desc && prototype) {\r\n        // when patch window object, use prototype to check prop exist or not\r\n        var prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop);\r\n        if (prototypeDesc) {\r\n            desc = { enumerable: true, configurable: true };\r\n        }\r\n    }\r\n    // if the descriptor not exists or is not configurable\r\n    // just return\r\n    if (!desc || !desc.configurable) {\r\n        return;\r\n    }\r\n    var onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched');\r\n    if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {\r\n        return;\r\n    }\r\n    // A property descriptor cannot have getter/setter and be writable\r\n    // deleting the writable and value properties avoids this error:\r\n    //\r\n    // TypeError: property descriptors must not specify a value or be writable when a\r\n    // getter or setter has been specified\r\n    delete desc.writable;\r\n    delete desc.value;\r\n    var originalDescGet = desc.get;\r\n    var originalDescSet = desc.set;\r\n    // substr(2) cuz 'onclick' -> 'click', etc\r\n    var eventName = prop.substr(2);\r\n    var eventNameSymbol = zoneSymbolEventNames[eventName];\r\n    if (!eventNameSymbol) {\r\n        eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol('ON_PROPERTY' + eventName);\r\n    }\r\n    desc.set = function (newValue) {\r\n        // in some of windows's onproperty callback, this is undefined\r\n        // so we need to check it\r\n        var target = this;\r\n        if (!target && obj === _global) {\r\n            target = _global;\r\n        }\r\n        if (!target) {\r\n            return;\r\n        }\r\n        var previousValue = target[eventNameSymbol];\r\n        if (previousValue) {\r\n            target.removeEventListener(eventName, wrapFn);\r\n        }\r\n        // issue #978, when onload handler was added before loading zone.js\r\n        // we should remove it with originalDescSet\r\n        if (originalDescSet) {\r\n            originalDescSet.apply(target, NULL_ON_PROP_VALUE);\r\n        }\r\n        if (typeof newValue === 'function') {\r\n            target[eventNameSymbol] = newValue;\r\n            target.addEventListener(eventName, wrapFn, false);\r\n        }\r\n        else {\r\n            target[eventNameSymbol] = null;\r\n        }\r\n    };\r\n    // The getter would return undefined for unassigned properties but the default value of an\r\n    // unassigned property is null\r\n    desc.get = function () {\r\n        // in some of windows's onproperty callback, this is undefined\r\n        // so we need to check it\r\n        var target = this;\r\n        if (!target && obj === _global) {\r\n            target = _global;\r\n        }\r\n        if (!target) {\r\n            return null;\r\n        }\r\n        var listener = target[eventNameSymbol];\r\n        if (listener) {\r\n            return listener;\r\n        }\r\n        else if (originalDescGet) {\r\n            // result will be null when use inline event attribute,\r\n            // such as <button onclick=\"func();\">OK</button>\r\n            // because the onclick function is internal raw uncompiled handler\r\n            // the onclick will be evaluated when first time event was triggered or\r\n            // the property is accessed, https://github.com/angular/zone.js/issues/525\r\n            // so we should use original native get to retrieve the handler\r\n            var value = originalDescGet && originalDescGet.call(this);\r\n            if (value) {\r\n                desc.set.call(this, value);\r\n                if (typeof target[REMOVE_ATTRIBUTE] === 'function') {\r\n                    target.removeAttribute(prop);\r\n                }\r\n                return value;\r\n            }\r\n        }\r\n        return null;\r\n    };\r\n    ObjectDefineProperty(obj, prop, desc);\r\n    obj[onPropPatchedSymbol] = true;\r\n}\r\nfunction patchOnProperties(obj, properties, prototype) {\r\n    if (properties) {\r\n        for (var i = 0; i < properties.length; i++) {\r\n            patchProperty(obj, 'on' + properties[i], prototype);\r\n        }\r\n    }\r\n    else {\r\n        var onProperties = [];\r\n        for (var prop in obj) {\r\n            if (prop.substr(0, 2) == 'on') {\r\n                onProperties.push(prop);\r\n            }\r\n        }\r\n        for (var j = 0; j < onProperties.length; j++) {\r\n            patchProperty(obj, onProperties[j], prototype);\r\n        }\r\n    }\r\n}\r\nvar originalInstanceKey = zoneSymbol('originalInstance');\r\n// wrap some native API on `window`\r\nfunction patchClass(className) {\r\n    var OriginalClass = _global[className];\r\n    if (!OriginalClass)\r\n        return;\r\n    // keep original class in global\r\n    _global[zoneSymbol(className)] = OriginalClass;\r\n    _global[className] = function () {\r\n        var a = bindArguments(arguments, className);\r\n        switch (a.length) {\r\n            case 0:\r\n                this[originalInstanceKey] = new OriginalClass();\r\n                break;\r\n            case 1:\r\n                this[originalInstanceKey] = new OriginalClass(a[0]);\r\n                break;\r\n            case 2:\r\n                this[originalInstanceKey] = new OriginalClass(a[0], a[1]);\r\n                break;\r\n            case 3:\r\n                this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2]);\r\n                break;\r\n            case 4:\r\n                this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2], a[3]);\r\n                break;\r\n            default:\r\n                throw new Error('Arg list too long.');\r\n        }\r\n    };\r\n    // attach original delegate to patched function\r\n    attachOriginToPatched(_global[className], OriginalClass);\r\n    var instance = new OriginalClass(function () { });\r\n    var prop;\r\n    for (prop in instance) {\r\n        // https://bugs.webkit.org/show_bug.cgi?id=44721\r\n        if (className === 'XMLHttpRequest' && prop === 'responseBlob')\r\n            continue;\r\n        (function (prop) {\r\n            if (typeof instance[prop] === 'function') {\r\n                _global[className].prototype[prop] = function () {\r\n                    return this[originalInstanceKey][prop].apply(this[originalInstanceKey], arguments);\r\n                };\r\n            }\r\n            else {\r\n                ObjectDefineProperty(_global[className].prototype, prop, {\r\n                    set: function (fn) {\r\n                        if (typeof fn === 'function') {\r\n                            this[originalInstanceKey][prop] = wrapWithCurrentZone(fn, className + '.' + prop);\r\n                            // keep callback in wrapped function so we can\r\n                            // use it in Function.prototype.toString to return\r\n                            // the native one.\r\n                            attachOriginToPatched(this[originalInstanceKey][prop], fn);\r\n                        }\r\n                        else {\r\n                            this[originalInstanceKey][prop] = fn;\r\n                        }\r\n                    },\r\n                    get: function () {\r\n                        return this[originalInstanceKey][prop];\r\n                    }\r\n                });\r\n            }\r\n        }(prop));\r\n    }\r\n    for (prop in OriginalClass) {\r\n        if (prop !== 'prototype' && OriginalClass.hasOwnProperty(prop)) {\r\n            _global[className][prop] = OriginalClass[prop];\r\n        }\r\n    }\r\n}\r\nfunction copySymbolProperties(src, dest) {\r\n    if (typeof Object.getOwnPropertySymbols !== 'function') {\r\n        return;\r\n    }\r\n    var symbols = Object.getOwnPropertySymbols(src);\r\n    symbols.forEach(function (symbol) {\r\n        var desc = Object.getOwnPropertyDescriptor(src, symbol);\r\n        Object.defineProperty(dest, symbol, {\r\n            get: function () {\r\n                return src[symbol];\r\n            },\r\n            set: function (value) {\r\n                if (desc && (!desc.writable || typeof desc.set !== 'function')) {\r\n                    // if src[symbol] is not writable or not have a setter, just return\r\n                    return;\r\n                }\r\n                src[symbol] = value;\r\n            },\r\n            enumerable: desc ? desc.enumerable : true,\r\n            configurable: desc ? desc.configurable : true\r\n        });\r\n    });\r\n}\r\nvar shouldCopySymbolProperties = false;\r\n\r\nfunction patchMethod(target, name, patchFn) {\r\n    var proto = target;\r\n    while (proto && !proto.hasOwnProperty(name)) {\r\n        proto = ObjectGetPrototypeOf(proto);\r\n    }\r\n    if (!proto && target[name]) {\r\n        // somehow we did not find it, but we can see it. This happens on IE for Window properties.\r\n        proto = target;\r\n    }\r\n    var delegateName = zoneSymbol(name);\r\n    var delegate = null;\r\n    if (proto && !(delegate = proto[delegateName])) {\r\n        delegate = proto[delegateName] = proto[name];\r\n        // check whether proto[name] is writable\r\n        // some property is readonly in safari, such as HtmlCanvasElement.prototype.toBlob\r\n        var desc = proto && ObjectGetOwnPropertyDescriptor(proto, name);\r\n        if (isPropertyWritable(desc)) {\r\n            var patchDelegate_1 = patchFn(delegate, delegateName, name);\r\n            proto[name] = function () {\r\n                return patchDelegate_1(this, arguments);\r\n            };\r\n            attachOriginToPatched(proto[name], delegate);\r\n            if (shouldCopySymbolProperties) {\r\n                copySymbolProperties(delegate, proto[name]);\r\n            }\r\n        }\r\n    }\r\n    return delegate;\r\n}\r\n// TODO: @JiaLiPassion, support cancel task later if necessary\r\nfunction patchMacroTask(obj, funcName, metaCreator) {\r\n    var setNative = null;\r\n    function scheduleTask(task) {\r\n        var data = task.data;\r\n        data.args[data.cbIdx] = function () {\r\n            task.invoke.apply(this, arguments);\r\n        };\r\n        setNative.apply(data.target, data.args);\r\n        return task;\r\n    }\r\n    setNative = patchMethod(obj, funcName, function (delegate) { return function (self, args) {\r\n        var meta = metaCreator(self, args);\r\n        if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') {\r\n            return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask);\r\n        }\r\n        else {\r\n            // cause an error by calling it directly.\r\n            return delegate.apply(self, args);\r\n        }\r\n    }; });\r\n}\r\n\r\nfunction attachOriginToPatched(patched, original) {\r\n    patched[zoneSymbol('OriginalDelegate')] = original;\r\n}\r\nvar isDetectedIEOrEdge = false;\r\nvar ieOrEdge = false;\r\nfunction isIE() {\r\n    try {\r\n        var ua = internalWindow.navigator.userAgent;\r\n        if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1) {\r\n            return true;\r\n        }\r\n    }\r\n    catch (error) {\r\n    }\r\n    return false;\r\n}\r\nfunction isIEOrEdge() {\r\n    if (isDetectedIEOrEdge) {\r\n        return ieOrEdge;\r\n    }\r\n    isDetectedIEOrEdge = true;\r\n    try {\r\n        var ua = internalWindow.navigator.userAgent;\r\n        if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1 || ua.indexOf('Edge/') !== -1) {\r\n            ieOrEdge = true;\r\n        }\r\n    }\r\n    catch (error) {\r\n    }\r\n    return ieOrEdge;\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n// override Function.prototype.toString to make zone.js patched function\r\n// look like native function\r\nZone.__load_patch('toString', function (global) {\r\n    // patch Func.prototype.toString to let them look like native\r\n    var originalFunctionToString = Function.prototype.toString;\r\n    var ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate');\r\n    var PROMISE_SYMBOL = zoneSymbol('Promise');\r\n    var ERROR_SYMBOL = zoneSymbol('Error');\r\n    var newFunctionToString = function toString() {\r\n        if (typeof this === 'function') {\r\n            var originalDelegate = this[ORIGINAL_DELEGATE_SYMBOL];\r\n            if (originalDelegate) {\r\n                if (typeof originalDelegate === 'function') {\r\n                    return originalFunctionToString.call(originalDelegate);\r\n                }\r\n                else {\r\n                    return Object.prototype.toString.call(originalDelegate);\r\n                }\r\n            }\r\n            if (this === Promise) {\r\n                var nativePromise = global[PROMISE_SYMBOL];\r\n                if (nativePromise) {\r\n                    return originalFunctionToString.call(nativePromise);\r\n                }\r\n            }\r\n            if (this === Error) {\r\n                var nativeError = global[ERROR_SYMBOL];\r\n                if (nativeError) {\r\n                    return originalFunctionToString.call(nativeError);\r\n                }\r\n            }\r\n        }\r\n        return originalFunctionToString.call(this);\r\n    };\r\n    newFunctionToString[ORIGINAL_DELEGATE_SYMBOL] = originalFunctionToString;\r\n    Function.prototype.toString = newFunctionToString;\r\n    // patch Object.prototype.toString to let them look like native\r\n    var originalObjectToString = Object.prototype.toString;\r\n    var PROMISE_OBJECT_TO_STRING = '[object Promise]';\r\n    Object.prototype.toString = function () {\r\n        if (this instanceof Promise) {\r\n            return PROMISE_OBJECT_TO_STRING;\r\n        }\r\n        return originalObjectToString.call(this);\r\n    };\r\n});\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/**\r\n * @fileoverview\r\n * @suppress {missingRequire}\r\n */\r\nvar passiveSupported = false;\r\nif (typeof window !== 'undefined') {\r\n    try {\r\n        var options = Object.defineProperty({}, 'passive', {\r\n            get: function () {\r\n                passiveSupported = true;\r\n            }\r\n        });\r\n        window.addEventListener('test', options, options);\r\n        window.removeEventListener('test', options, options);\r\n    }\r\n    catch (err) {\r\n        passiveSupported = false;\r\n    }\r\n}\r\n// an identifier to tell ZoneTask do not create a new invoke closure\r\nvar OPTIMIZED_ZONE_EVENT_TASK_DATA = {\r\n    useG: true\r\n};\r\nvar zoneSymbolEventNames$1 = {};\r\nvar globalSources = {};\r\nvar EVENT_NAME_SYMBOL_REGX = /^__zone_symbol__(\\w+)(true|false)$/;\r\nvar IMMEDIATE_PROPAGATION_SYMBOL = ('__zone_symbol__propagationStopped');\r\nfunction patchEventTarget(_global, apis, patchOptions) {\r\n    var ADD_EVENT_LISTENER = (patchOptions && patchOptions.add) || ADD_EVENT_LISTENER_STR;\r\n    var REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.rm) || REMOVE_EVENT_LISTENER_STR;\r\n    var LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listeners) || 'eventListeners';\r\n    var REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.rmAll) || 'removeAllListeners';\r\n    var zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER);\r\n    var ADD_EVENT_LISTENER_SOURCE = '.' + ADD_EVENT_LISTENER + ':';\r\n    var PREPEND_EVENT_LISTENER = 'prependListener';\r\n    var PREPEND_EVENT_LISTENER_SOURCE = '.' + PREPEND_EVENT_LISTENER + ':';\r\n    var invokeTask = function (task, target, event) {\r\n        // for better performance, check isRemoved which is set\r\n        // by removeEventListener\r\n        if (task.isRemoved) {\r\n            return;\r\n        }\r\n        var delegate = task.callback;\r\n        if (typeof delegate === 'object' && delegate.handleEvent) {\r\n            // create the bind version of handleEvent when invoke\r\n            task.callback = function (event) { return delegate.handleEvent(event); };\r\n            task.originalDelegate = delegate;\r\n        }\r\n        // invoke static task.invoke\r\n        task.invoke(task, target, [event]);\r\n        var options = task.options;\r\n        if (options && typeof options === 'object' && options.once) {\r\n            // if options.once is true, after invoke once remove listener here\r\n            // only browser need to do this, nodejs eventEmitter will cal removeListener\r\n            // inside EventEmitter.once\r\n            var delegate_1 = task.originalDelegate ? task.originalDelegate : task.callback;\r\n            target[REMOVE_EVENT_LISTENER].call(target, event.type, delegate_1, options);\r\n        }\r\n    };\r\n    // global shared zoneAwareCallback to handle all event callback with capture = false\r\n    var globalZoneAwareCallback = function (event) {\r\n        // https://github.com/angular/zone.js/issues/911, in IE, sometimes\r\n        // event will be undefined, so we need to use window.event\r\n        event = event || _global.event;\r\n        if (!event) {\r\n            return;\r\n        }\r\n        // event.target is needed for Samsung TV and SourceBuffer\r\n        // || global is needed https://github.com/angular/zone.js/issues/190\r\n        var target = this || event.target || _global;\r\n        var tasks = target[zoneSymbolEventNames$1[event.type][FALSE_STR]];\r\n        if (tasks) {\r\n            // invoke all tasks which attached to current target with given event.type and capture = false\r\n            // for performance concern, if task.length === 1, just invoke\r\n            if (tasks.length === 1) {\r\n                invokeTask(tasks[0], target, event);\r\n            }\r\n            else {\r\n                // https://github.com/angular/zone.js/issues/836\r\n                // copy the tasks array before invoke, to avoid\r\n                // the callback will remove itself or other listener\r\n                var copyTasks = tasks.slice();\r\n                for (var i = 0; i < copyTasks.length; i++) {\r\n                    if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {\r\n                        break;\r\n                    }\r\n                    invokeTask(copyTasks[i], target, event);\r\n                }\r\n            }\r\n        }\r\n    };\r\n    // global shared zoneAwareCallback to handle all event callback with capture = true\r\n    var globalZoneAwareCaptureCallback = function (event) {\r\n        // https://github.com/angular/zone.js/issues/911, in IE, sometimes\r\n        // event will be undefined, so we need to use window.event\r\n        event = event || _global.event;\r\n        if (!event) {\r\n            return;\r\n        }\r\n        // event.target is needed for Samsung TV and SourceBuffer\r\n        // || global is needed https://github.com/angular/zone.js/issues/190\r\n        var target = this || event.target || _global;\r\n        var tasks = target[zoneSymbolEventNames$1[event.type][TRUE_STR]];\r\n        if (tasks) {\r\n            // invoke all tasks which attached to current target with given event.type and capture = false\r\n            // for performance concern, if task.length === 1, just invoke\r\n            if (tasks.length === 1) {\r\n                invokeTask(tasks[0], target, event);\r\n            }\r\n            else {\r\n                // https://github.com/angular/zone.js/issues/836\r\n                // copy the tasks array before invoke, to avoid\r\n                // the callback will remove itself or other listener\r\n                var copyTasks = tasks.slice();\r\n                for (var i = 0; i < copyTasks.length; i++) {\r\n                    if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) {\r\n                        break;\r\n                    }\r\n                    invokeTask(copyTasks[i], target, event);\r\n                }\r\n            }\r\n        }\r\n    };\r\n    function patchEventTargetMethods(obj, patchOptions) {\r\n        if (!obj) {\r\n            return false;\r\n        }\r\n        var useGlobalCallback = true;\r\n        if (patchOptions && patchOptions.useG !== undefined) {\r\n            useGlobalCallback = patchOptions.useG;\r\n        }\r\n        var validateHandler = patchOptions && patchOptions.vh;\r\n        var checkDuplicate = true;\r\n        if (patchOptions && patchOptions.chkDup !== undefined) {\r\n            checkDuplicate = patchOptions.chkDup;\r\n        }\r\n        var returnTarget = false;\r\n        if (patchOptions && patchOptions.rt !== undefined) {\r\n            returnTarget = patchOptions.rt;\r\n        }\r\n        var proto = obj;\r\n        while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) {\r\n            proto = ObjectGetPrototypeOf(proto);\r\n        }\r\n        if (!proto && obj[ADD_EVENT_LISTENER]) {\r\n            // somehow we did not find it, but we can see it. This happens on IE for Window properties.\r\n            proto = obj;\r\n        }\r\n        if (!proto) {\r\n            return false;\r\n        }\r\n        if (proto[zoneSymbolAddEventListener]) {\r\n            return false;\r\n        }\r\n        var eventNameToString = patchOptions && patchOptions.eventNameToString;\r\n        // a shared global taskData to pass data for scheduleEventTask\r\n        // so we do not need to create a new object just for pass some data\r\n        var taskData = {};\r\n        var nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER];\r\n        var nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] =\r\n            proto[REMOVE_EVENT_LISTENER];\r\n        var nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] =\r\n            proto[LISTENERS_EVENT_LISTENER];\r\n        var nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] =\r\n            proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER];\r\n        var nativePrependEventListener;\r\n        if (patchOptions && patchOptions.prepend) {\r\n            nativePrependEventListener = proto[zoneSymbol(patchOptions.prepend)] =\r\n                proto[patchOptions.prepend];\r\n        }\r\n        function checkIsPassive(task) {\r\n            if (!passiveSupported && typeof taskData.options !== 'boolean' &&\r\n                typeof taskData.options !== 'undefined' && taskData.options !== null) {\r\n                // options is a non-null non-undefined object\r\n                // passive is not supported\r\n                // don't pass options as object\r\n                // just pass capture as a boolean\r\n                task.options = !!taskData.options.capture;\r\n                taskData.options = task.options;\r\n            }\r\n        }\r\n        var customScheduleGlobal = function (task) {\r\n            // if there is already a task for the eventName + capture,\r\n            // just return, because we use the shared globalZoneAwareCallback here.\r\n            if (taskData.isExisting) {\r\n                return;\r\n            }\r\n            checkIsPassive(task);\r\n            return nativeAddEventListener.call(taskData.target, taskData.eventName, taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, taskData.options);\r\n        };\r\n        var customCancelGlobal = function (task) {\r\n            // if task is not marked as isRemoved, this call is directly\r\n            // from Zone.prototype.cancelTask, we should remove the task\r\n            // from tasksList of target first\r\n            if (!task.isRemoved) {\r\n                var symbolEventNames = zoneSymbolEventNames$1[task.eventName];\r\n                var symbolEventName = void 0;\r\n                if (symbolEventNames) {\r\n                    symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR];\r\n                }\r\n                var existingTasks = symbolEventName && task.target[symbolEventName];\r\n                if (existingTasks) {\r\n                    for (var i = 0; i < existingTasks.length; i++) {\r\n                        var existingTask = existingTasks[i];\r\n                        if (existingTask === task) {\r\n                            existingTasks.splice(i, 1);\r\n                            // set isRemoved to data for faster invokeTask check\r\n                            task.isRemoved = true;\r\n                            if (existingTasks.length === 0) {\r\n                                // all tasks for the eventName + capture have gone,\r\n                                // remove globalZoneAwareCallback and remove the task cache from target\r\n                                task.allRemoved = true;\r\n                                task.target[symbolEventName] = null;\r\n                            }\r\n                            break;\r\n                        }\r\n                    }\r\n                }\r\n            }\r\n            // if all tasks for the eventName + capture have gone,\r\n            // we will really remove the global event callback,\r\n            // if not, return\r\n            if (!task.allRemoved) {\r\n                return;\r\n            }\r\n            return nativeRemoveEventListener.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options);\r\n        };\r\n        var customScheduleNonGlobal = function (task) {\r\n            checkIsPassive(task);\r\n            return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);\r\n        };\r\n        var customSchedulePrepend = function (task) {\r\n            return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options);\r\n        };\r\n        var customCancelNonGlobal = function (task) {\r\n            return nativeRemoveEventListener.call(task.target, task.eventName, task.invoke, task.options);\r\n        };\r\n        var customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal;\r\n        var customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal;\r\n        var compareTaskCallbackVsDelegate = function (task, delegate) {\r\n            var typeOfDelegate = typeof delegate;\r\n            return (typeOfDelegate === 'function' && task.callback === delegate) ||\r\n                (typeOfDelegate === 'object' && task.originalDelegate === delegate);\r\n        };\r\n        var compare = (patchOptions && patchOptions.diff) ? patchOptions.diff : compareTaskCallbackVsDelegate;\r\n        var blackListedEvents = Zone[Zone.__symbol__('BLACK_LISTED_EVENTS')];\r\n        var makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget, prepend) {\r\n            if (returnTarget === void 0) { returnTarget = false; }\r\n            if (prepend === void 0) { prepend = false; }\r\n            return function () {\r\n                var target = this || _global;\r\n                var eventName = arguments[0];\r\n                var delegate = arguments[1];\r\n                if (!delegate) {\r\n                    return nativeListener.apply(this, arguments);\r\n                }\r\n                if (isNode && eventName === 'uncaughtException') {\r\n                    // don't patch uncaughtException of nodejs to prevent endless loop\r\n                    return nativeListener.apply(this, arguments);\r\n                }\r\n                // don't create the bind delegate function for handleEvent\r\n                // case here to improve addEventListener performance\r\n                // we will create the bind delegate when invoke\r\n                var isHandleEvent = false;\r\n                if (typeof delegate !== 'function') {\r\n                    if (!delegate.handleEvent) {\r\n                        return nativeListener.apply(this, arguments);\r\n                    }\r\n                    isHandleEvent = true;\r\n                }\r\n                if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) {\r\n                    return;\r\n                }\r\n                var options = arguments[2];\r\n                if (blackListedEvents) {\r\n                    // check black list\r\n                    for (var i = 0; i < blackListedEvents.length; i++) {\r\n                        if (eventName === blackListedEvents[i]) {\r\n                            return nativeListener.apply(this, arguments);\r\n                        }\r\n                    }\r\n                }\r\n                var capture;\r\n                var once = false;\r\n                if (options === undefined) {\r\n                    capture = false;\r\n                }\r\n                else if (options === true) {\r\n                    capture = true;\r\n                }\r\n                else if (options === false) {\r\n                    capture = false;\r\n                }\r\n                else {\r\n                    capture = options ? !!options.capture : false;\r\n                    once = options ? !!options.once : false;\r\n                }\r\n                var zone = Zone.current;\r\n                var symbolEventNames = zoneSymbolEventNames$1[eventName];\r\n                var symbolEventName;\r\n                if (!symbolEventNames) {\r\n                    // the code is duplicate, but I just want to get some better performance\r\n                    var falseEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + FALSE_STR;\r\n                    var trueEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + TRUE_STR;\r\n                    var symbol = ZONE_SYMBOL_PREFIX + falseEventName;\r\n                    var symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;\r\n                    zoneSymbolEventNames$1[eventName] = {};\r\n                    zoneSymbolEventNames$1[eventName][FALSE_STR] = symbol;\r\n                    zoneSymbolEventNames$1[eventName][TRUE_STR] = symbolCapture;\r\n                    symbolEventName = capture ? symbolCapture : symbol;\r\n                }\r\n                else {\r\n                    symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];\r\n                }\r\n                var existingTasks = target[symbolEventName];\r\n                var isExisting = false;\r\n                if (existingTasks) {\r\n                    // already have task registered\r\n                    isExisting = true;\r\n                    if (checkDuplicate) {\r\n                        for (var i = 0; i < existingTasks.length; i++) {\r\n                            if (compare(existingTasks[i], delegate)) {\r\n                                // same callback, same capture, same event name, just return\r\n                                return;\r\n                            }\r\n                        }\r\n                    }\r\n                }\r\n                else {\r\n                    existingTasks = target[symbolEventName] = [];\r\n                }\r\n                var source;\r\n                var constructorName = target.constructor['name'];\r\n                var targetSource = globalSources[constructorName];\r\n                if (targetSource) {\r\n                    source = targetSource[eventName];\r\n                }\r\n                if (!source) {\r\n                    source = constructorName + addSource +\r\n                        (eventNameToString ? eventNameToString(eventName) : eventName);\r\n                }\r\n                // do not create a new object as task.data to pass those things\r\n                // just use the global shared one\r\n                taskData.options = options;\r\n                if (once) {\r\n                    // if addEventListener with once options, we don't pass it to\r\n                    // native addEventListener, instead we keep the once setting\r\n                    // and handle ourselves.\r\n                    taskData.options.once = false;\r\n                }\r\n                taskData.target = target;\r\n                taskData.capture = capture;\r\n                taskData.eventName = eventName;\r\n                taskData.isExisting = isExisting;\r\n                var data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : undefined;\r\n                // keep taskData into data to allow onScheduleEventTask to access the task information\r\n                if (data) {\r\n                    data.taskData = taskData;\r\n                }\r\n                var task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn);\r\n                // should clear taskData.target to avoid memory leak\r\n                // issue, https://github.com/angular/angular/issues/20442\r\n                taskData.target = null;\r\n                // need to clear up taskData because it is a global object\r\n                if (data) {\r\n                    data.taskData = null;\r\n                }\r\n                // have to save those information to task in case\r\n                // application may call task.zone.cancelTask() directly\r\n                if (once) {\r\n                    options.once = true;\r\n                }\r\n                if (!(!passiveSupported && typeof task.options === 'boolean')) {\r\n                    // if not support passive, and we pass an option object\r\n                    // to addEventListener, we should save the options to task\r\n                    task.options = options;\r\n                }\r\n                task.target = target;\r\n                task.capture = capture;\r\n                task.eventName = eventName;\r\n                if (isHandleEvent) {\r\n                    // save original delegate for compare to check duplicate\r\n                    task.originalDelegate = delegate;\r\n                }\r\n                if (!prepend) {\r\n                    existingTasks.push(task);\r\n                }\r\n                else {\r\n                    existingTasks.unshift(task);\r\n                }\r\n                if (returnTarget) {\r\n                    return target;\r\n                }\r\n            };\r\n        };\r\n        proto[ADD_EVENT_LISTENER] = makeAddListener(nativeAddEventListener, ADD_EVENT_LISTENER_SOURCE, customSchedule, customCancel, returnTarget);\r\n        if (nativePrependEventListener) {\r\n            proto[PREPEND_EVENT_LISTENER] = makeAddListener(nativePrependEventListener, PREPEND_EVENT_LISTENER_SOURCE, customSchedulePrepend, customCancel, returnTarget, true);\r\n        }\r\n        proto[REMOVE_EVENT_LISTENER] = function () {\r\n            var target = this || _global;\r\n            var eventName = arguments[0];\r\n            var options = arguments[2];\r\n            var capture;\r\n            if (options === undefined) {\r\n                capture = false;\r\n            }\r\n            else if (options === true) {\r\n                capture = true;\r\n            }\r\n            else if (options === false) {\r\n                capture = false;\r\n            }\r\n            else {\r\n                capture = options ? !!options.capture : false;\r\n            }\r\n            var delegate = arguments[1];\r\n            if (!delegate) {\r\n                return nativeRemoveEventListener.apply(this, arguments);\r\n            }\r\n            if (validateHandler &&\r\n                !validateHandler(nativeRemoveEventListener, delegate, target, arguments)) {\r\n                return;\r\n            }\r\n            var symbolEventNames = zoneSymbolEventNames$1[eventName];\r\n            var symbolEventName;\r\n            if (symbolEventNames) {\r\n                symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR];\r\n            }\r\n            var existingTasks = symbolEventName && target[symbolEventName];\r\n            if (existingTasks) {\r\n                for (var i = 0; i < existingTasks.length; i++) {\r\n                    var existingTask = existingTasks[i];\r\n                    if (compare(existingTask, delegate)) {\r\n                        existingTasks.splice(i, 1);\r\n                        // set isRemoved to data for faster invokeTask check\r\n                        existingTask.isRemoved = true;\r\n                        if (existingTasks.length === 0) {\r\n                            // all tasks for the eventName + capture have gone,\r\n                            // remove globalZoneAwareCallback and remove the task cache from target\r\n                            existingTask.allRemoved = true;\r\n                            target[symbolEventName] = null;\r\n                        }\r\n                        existingTask.zone.cancelTask(existingTask);\r\n                        if (returnTarget) {\r\n                            return target;\r\n                        }\r\n                        return;\r\n                    }\r\n                }\r\n            }\r\n            // issue 930, didn't find the event name or callback\r\n            // from zone kept existingTasks, the callback maybe\r\n            // added outside of zone, we need to call native removeEventListener\r\n            // to try to remove it.\r\n            return nativeRemoveEventListener.apply(this, arguments);\r\n        };\r\n        proto[LISTENERS_EVENT_LISTENER] = function () {\r\n            var target = this || _global;\r\n            var eventName = arguments[0];\r\n            var listeners = [];\r\n            var tasks = findEventTasks(target, eventNameToString ? eventNameToString(eventName) : eventName);\r\n            for (var i = 0; i < tasks.length; i++) {\r\n                var task = tasks[i];\r\n                var delegate = task.originalDelegate ? task.originalDelegate : task.callback;\r\n                listeners.push(delegate);\r\n            }\r\n            return listeners;\r\n        };\r\n        proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER] = function () {\r\n            var target = this || _global;\r\n            var eventName = arguments[0];\r\n            if (!eventName) {\r\n                var keys = Object.keys(target);\r\n                for (var i = 0; i < keys.length; i++) {\r\n                    var prop = keys[i];\r\n                    var match = EVENT_NAME_SYMBOL_REGX.exec(prop);\r\n                    var evtName = match && match[1];\r\n                    // in nodejs EventEmitter, removeListener event is\r\n                    // used for monitoring the removeListener call,\r\n                    // so just keep removeListener eventListener until\r\n                    // all other eventListeners are removed\r\n                    if (evtName && evtName !== 'removeListener') {\r\n                        this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, evtName);\r\n                    }\r\n                }\r\n                // remove removeListener listener finally\r\n                this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, 'removeListener');\r\n            }\r\n            else {\r\n                var symbolEventNames = zoneSymbolEventNames$1[eventName];\r\n                if (symbolEventNames) {\r\n                    var symbolEventName = symbolEventNames[FALSE_STR];\r\n                    var symbolCaptureEventName = symbolEventNames[TRUE_STR];\r\n                    var tasks = target[symbolEventName];\r\n                    var captureTasks = target[symbolCaptureEventName];\r\n                    if (tasks) {\r\n                        var removeTasks = tasks.slice();\r\n                        for (var i = 0; i < removeTasks.length; i++) {\r\n                            var task = removeTasks[i];\r\n                            var delegate = task.originalDelegate ? task.originalDelegate : task.callback;\r\n                            this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);\r\n                        }\r\n                    }\r\n                    if (captureTasks) {\r\n                        var removeTasks = captureTasks.slice();\r\n                        for (var i = 0; i < removeTasks.length; i++) {\r\n                            var task = removeTasks[i];\r\n                            var delegate = task.originalDelegate ? task.originalDelegate : task.callback;\r\n                            this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options);\r\n                        }\r\n                    }\r\n                }\r\n            }\r\n            if (returnTarget) {\r\n                return this;\r\n            }\r\n        };\r\n        // for native toString patch\r\n        attachOriginToPatched(proto[ADD_EVENT_LISTENER], nativeAddEventListener);\r\n        attachOriginToPatched(proto[REMOVE_EVENT_LISTENER], nativeRemoveEventListener);\r\n        if (nativeRemoveAllListeners) {\r\n            attachOriginToPatched(proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER], nativeRemoveAllListeners);\r\n        }\r\n        if (nativeListeners) {\r\n            attachOriginToPatched(proto[LISTENERS_EVENT_LISTENER], nativeListeners);\r\n        }\r\n        return true;\r\n    }\r\n    var results = [];\r\n    for (var i = 0; i < apis.length; i++) {\r\n        results[i] = patchEventTargetMethods(apis[i], patchOptions);\r\n    }\r\n    return results;\r\n}\r\nfunction findEventTasks(target, eventName) {\r\n    var foundTasks = [];\r\n    for (var prop in target) {\r\n        var match = EVENT_NAME_SYMBOL_REGX.exec(prop);\r\n        var evtName = match && match[1];\r\n        if (evtName && (!eventName || evtName === eventName)) {\r\n            var tasks = target[prop];\r\n            if (tasks) {\r\n                for (var i = 0; i < tasks.length; i++) {\r\n                    foundTasks.push(tasks[i]);\r\n                }\r\n            }\r\n        }\r\n    }\r\n    return foundTasks;\r\n}\r\nfunction patchEventPrototype(global, api) {\r\n    var Event = global['Event'];\r\n    if (Event && Event.prototype) {\r\n        api.patchMethod(Event.prototype, 'stopImmediatePropagation', function (delegate) { return function (self, args) {\r\n            self[IMMEDIATE_PROPAGATION_SYMBOL] = true;\r\n            // we need to call the native stopImmediatePropagation\r\n            // in case in some hybrid application, some part of\r\n            // application will be controlled by zone, some are not\r\n            delegate && delegate.apply(self, args);\r\n        }; });\r\n    }\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nfunction patchCallbacks(api, target, targetName, method, callbacks) {\r\n    var symbol = Zone.__symbol__(method);\r\n    if (target[symbol]) {\r\n        return;\r\n    }\r\n    var nativeDelegate = target[symbol] = target[method];\r\n    target[method] = function (name, opts, options) {\r\n        if (opts && opts.prototype) {\r\n            callbacks.forEach(function (callback) {\r\n                var source = targetName + \".\" + method + \"::\" + callback;\r\n                var prototype = opts.prototype;\r\n                if (prototype.hasOwnProperty(callback)) {\r\n                    var descriptor = api.ObjectGetOwnPropertyDescriptor(prototype, callback);\r\n                    if (descriptor && descriptor.value) {\r\n                        descriptor.value = api.wrapWithCurrentZone(descriptor.value, source);\r\n                        api._redefineProperty(opts.prototype, callback, descriptor);\r\n                    }\r\n                    else if (prototype[callback]) {\r\n                        prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);\r\n                    }\r\n                }\r\n                else if (prototype[callback]) {\r\n                    prototype[callback] = api.wrapWithCurrentZone(prototype[callback], source);\r\n                }\r\n            });\r\n        }\r\n        return nativeDelegate.call(target, name, opts, options);\r\n    };\r\n    api.attachOriginToPatched(target[method], nativeDelegate);\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/*\r\n * This is necessary for Chrome and Chrome mobile, to enable\r\n * things like redefining `createdCallback` on an element.\r\n */\r\nvar zoneSymbol$1 = Zone.__symbol__;\r\nvar _defineProperty = Object[zoneSymbol$1('defineProperty')] = Object.defineProperty;\r\nvar _getOwnPropertyDescriptor = Object[zoneSymbol$1('getOwnPropertyDescriptor')] =\r\n    Object.getOwnPropertyDescriptor;\r\nvar _create = Object.create;\r\nvar unconfigurablesKey = zoneSymbol$1('unconfigurables');\r\nfunction propertyPatch() {\r\n    Object.defineProperty = function (obj, prop, desc) {\r\n        if (isUnconfigurable(obj, prop)) {\r\n            throw new TypeError('Cannot assign to read only property \\'' + prop + '\\' of ' + obj);\r\n        }\r\n        var originalConfigurableFlag = desc.configurable;\r\n        if (prop !== 'prototype') {\r\n            desc = rewriteDescriptor(obj, prop, desc);\r\n        }\r\n        return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);\r\n    };\r\n    Object.defineProperties = function (obj, props) {\r\n        Object.keys(props).forEach(function (prop) {\r\n            Object.defineProperty(obj, prop, props[prop]);\r\n        });\r\n        return obj;\r\n    };\r\n    Object.create = function (obj, proto) {\r\n        if (typeof proto === 'object' && !Object.isFrozen(proto)) {\r\n            Object.keys(proto).forEach(function (prop) {\r\n                proto[prop] = rewriteDescriptor(obj, prop, proto[prop]);\r\n            });\r\n        }\r\n        return _create(obj, proto);\r\n    };\r\n    Object.getOwnPropertyDescriptor = function (obj, prop) {\r\n        var desc = _getOwnPropertyDescriptor(obj, prop);\r\n        if (desc && isUnconfigurable(obj, prop)) {\r\n            desc.configurable = false;\r\n        }\r\n        return desc;\r\n    };\r\n}\r\nfunction _redefineProperty(obj, prop, desc) {\r\n    var originalConfigurableFlag = desc.configurable;\r\n    desc = rewriteDescriptor(obj, prop, desc);\r\n    return _tryDefineProperty(obj, prop, desc, originalConfigurableFlag);\r\n}\r\nfunction isUnconfigurable(obj, prop) {\r\n    return obj && obj[unconfigurablesKey] && obj[unconfigurablesKey][prop];\r\n}\r\nfunction rewriteDescriptor(obj, prop, desc) {\r\n    // issue-927, if the desc is frozen, don't try to change the desc\r\n    if (!Object.isFrozen(desc)) {\r\n        desc.configurable = true;\r\n    }\r\n    if (!desc.configurable) {\r\n        // issue-927, if the obj is frozen, don't try to set the desc to obj\r\n        if (!obj[unconfigurablesKey] && !Object.isFrozen(obj)) {\r\n            _defineProperty(obj, unconfigurablesKey, { writable: true, value: {} });\r\n        }\r\n        if (obj[unconfigurablesKey]) {\r\n            obj[unconfigurablesKey][prop] = true;\r\n        }\r\n    }\r\n    return desc;\r\n}\r\nfunction _tryDefineProperty(obj, prop, desc, originalConfigurableFlag) {\r\n    try {\r\n        return _defineProperty(obj, prop, desc);\r\n    }\r\n    catch (error) {\r\n        if (desc.configurable) {\r\n            // In case of errors, when the configurable flag was likely set by rewriteDescriptor(), let's\r\n            // retry with the original flag value\r\n            if (typeof originalConfigurableFlag == 'undefined') {\r\n                delete desc.configurable;\r\n            }\r\n            else {\r\n                desc.configurable = originalConfigurableFlag;\r\n            }\r\n            try {\r\n                return _defineProperty(obj, prop, desc);\r\n            }\r\n            catch (error) {\r\n                var descJson = null;\r\n                try {\r\n                    descJson = JSON.stringify(desc);\r\n                }\r\n                catch (error) {\r\n                    descJson = desc.toString();\r\n                }\r\n                console.log(\"Attempting to configure '\" + prop + \"' with descriptor '\" + descJson + \"' on object '\" + obj + \"' and got error, giving up: \" + error);\r\n            }\r\n        }\r\n        else {\r\n            throw error;\r\n        }\r\n    }\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/**\r\n * @fileoverview\r\n * @suppress {globalThis}\r\n */\r\nvar globalEventHandlersEventNames = [\r\n    'abort',\r\n    'animationcancel',\r\n    'animationend',\r\n    'animationiteration',\r\n    'auxclick',\r\n    'beforeinput',\r\n    'blur',\r\n    'cancel',\r\n    'canplay',\r\n    'canplaythrough',\r\n    'change',\r\n    'compositionstart',\r\n    'compositionupdate',\r\n    'compositionend',\r\n    'cuechange',\r\n    'click',\r\n    'close',\r\n    'contextmenu',\r\n    'curechange',\r\n    'dblclick',\r\n    'drag',\r\n    'dragend',\r\n    'dragenter',\r\n    'dragexit',\r\n    'dragleave',\r\n    'dragover',\r\n    'drop',\r\n    'durationchange',\r\n    'emptied',\r\n    'ended',\r\n    'error',\r\n    'focus',\r\n    'focusin',\r\n    'focusout',\r\n    'gotpointercapture',\r\n    'input',\r\n    'invalid',\r\n    'keydown',\r\n    'keypress',\r\n    'keyup',\r\n    'load',\r\n    'loadstart',\r\n    'loadeddata',\r\n    'loadedmetadata',\r\n    'lostpointercapture',\r\n    'mousedown',\r\n    'mouseenter',\r\n    'mouseleave',\r\n    'mousemove',\r\n    'mouseout',\r\n    'mouseover',\r\n    'mouseup',\r\n    'mousewheel',\r\n    'orientationchange',\r\n    'pause',\r\n    'play',\r\n    'playing',\r\n    'pointercancel',\r\n    'pointerdown',\r\n    'pointerenter',\r\n    'pointerleave',\r\n    'pointerlockchange',\r\n    'mozpointerlockchange',\r\n    'webkitpointerlockerchange',\r\n    'pointerlockerror',\r\n    'mozpointerlockerror',\r\n    'webkitpointerlockerror',\r\n    'pointermove',\r\n    'pointout',\r\n    'pointerover',\r\n    'pointerup',\r\n    'progress',\r\n    'ratechange',\r\n    'reset',\r\n    'resize',\r\n    'scroll',\r\n    'seeked',\r\n    'seeking',\r\n    'select',\r\n    'selectionchange',\r\n    'selectstart',\r\n    'show',\r\n    'sort',\r\n    'stalled',\r\n    'submit',\r\n    'suspend',\r\n    'timeupdate',\r\n    'volumechange',\r\n    'touchcancel',\r\n    'touchmove',\r\n    'touchstart',\r\n    'touchend',\r\n    'transitioncancel',\r\n    'transitionend',\r\n    'waiting',\r\n    'wheel'\r\n];\r\nvar documentEventNames = [\r\n    'afterscriptexecute', 'beforescriptexecute', 'DOMContentLoaded', 'freeze', 'fullscreenchange',\r\n    'mozfullscreenchange', 'webkitfullscreenchange', 'msfullscreenchange', 'fullscreenerror',\r\n    'mozfullscreenerror', 'webkitfullscreenerror', 'msfullscreenerror', 'readystatechange',\r\n    'visibilitychange', 'resume'\r\n];\r\nvar windowEventNames = [\r\n    'absolutedeviceorientation',\r\n    'afterinput',\r\n    'afterprint',\r\n    'appinstalled',\r\n    'beforeinstallprompt',\r\n    'beforeprint',\r\n    'beforeunload',\r\n    'devicelight',\r\n    'devicemotion',\r\n    'deviceorientation',\r\n    'deviceorientationabsolute',\r\n    'deviceproximity',\r\n    'hashchange',\r\n    'languagechange',\r\n    'message',\r\n    'mozbeforepaint',\r\n    'offline',\r\n    'online',\r\n    'paint',\r\n    'pageshow',\r\n    'pagehide',\r\n    'popstate',\r\n    'rejectionhandled',\r\n    'storage',\r\n    'unhandledrejection',\r\n    'unload',\r\n    'userproximity',\r\n    'vrdisplyconnected',\r\n    'vrdisplaydisconnected',\r\n    'vrdisplaypresentchange'\r\n];\r\nvar htmlElementEventNames = [\r\n    'beforecopy', 'beforecut', 'beforepaste', 'copy', 'cut', 'paste', 'dragstart', 'loadend',\r\n    'animationstart', 'search', 'transitionrun', 'transitionstart', 'webkitanimationend',\r\n    'webkitanimationiteration', 'webkitanimationstart', 'webkittransitionend'\r\n];\r\nvar mediaElementEventNames = ['encrypted', 'waitingforkey', 'msneedkey', 'mozinterruptbegin', 'mozinterruptend'];\r\nvar ieElementEventNames = [\r\n    'activate',\r\n    'afterupdate',\r\n    'ariarequest',\r\n    'beforeactivate',\r\n    'beforedeactivate',\r\n    'beforeeditfocus',\r\n    'beforeupdate',\r\n    'cellchange',\r\n    'controlselect',\r\n    'dataavailable',\r\n    'datasetchanged',\r\n    'datasetcomplete',\r\n    'errorupdate',\r\n    'filterchange',\r\n    'layoutcomplete',\r\n    'losecapture',\r\n    'move',\r\n    'moveend',\r\n    'movestart',\r\n    'propertychange',\r\n    'resizeend',\r\n    'resizestart',\r\n    'rowenter',\r\n    'rowexit',\r\n    'rowsdelete',\r\n    'rowsinserted',\r\n    'command',\r\n    'compassneedscalibration',\r\n    'deactivate',\r\n    'help',\r\n    'mscontentzoom',\r\n    'msmanipulationstatechanged',\r\n    'msgesturechange',\r\n    'msgesturedoubletap',\r\n    'msgestureend',\r\n    'msgesturehold',\r\n    'msgesturestart',\r\n    'msgesturetap',\r\n    'msgotpointercapture',\r\n    'msinertiastart',\r\n    'mslostpointercapture',\r\n    'mspointercancel',\r\n    'mspointerdown',\r\n    'mspointerenter',\r\n    'mspointerhover',\r\n    'mspointerleave',\r\n    'mspointermove',\r\n    'mspointerout',\r\n    'mspointerover',\r\n    'mspointerup',\r\n    'pointerout',\r\n    'mssitemodejumplistitemremoved',\r\n    'msthumbnailclick',\r\n    'stop',\r\n    'storagecommit'\r\n];\r\nvar webglEventNames = ['webglcontextrestored', 'webglcontextlost', 'webglcontextcreationerror'];\r\nvar formEventNames = ['autocomplete', 'autocompleteerror'];\r\nvar detailEventNames = ['toggle'];\r\nvar frameEventNames = ['load'];\r\nvar frameSetEventNames = ['blur', 'error', 'focus', 'load', 'resize', 'scroll', 'messageerror'];\r\nvar marqueeEventNames = ['bounce', 'finish', 'start'];\r\nvar XMLHttpRequestEventNames = [\r\n    'loadstart', 'progress', 'abort', 'error', 'load', 'progress', 'timeout', 'loadend',\r\n    'readystatechange'\r\n];\r\nvar IDBIndexEventNames = ['upgradeneeded', 'complete', 'abort', 'success', 'error', 'blocked', 'versionchange', 'close'];\r\nvar websocketEventNames = ['close', 'error', 'open', 'message'];\r\nvar workerEventNames = ['error', 'message'];\r\nvar eventNames = globalEventHandlersEventNames.concat(webglEventNames, formEventNames, detailEventNames, documentEventNames, windowEventNames, htmlElementEventNames, ieElementEventNames);\r\nfunction filterProperties(target, onProperties, ignoreProperties) {\r\n    if (!ignoreProperties || ignoreProperties.length === 0) {\r\n        return onProperties;\r\n    }\r\n    var tip = ignoreProperties.filter(function (ip) { return ip.target === target; });\r\n    if (!tip || tip.length === 0) {\r\n        return onProperties;\r\n    }\r\n    var targetIgnoreProperties = tip[0].ignoreProperties;\r\n    return onProperties.filter(function (op) { return targetIgnoreProperties.indexOf(op) === -1; });\r\n}\r\nfunction patchFilteredProperties(target, onProperties, ignoreProperties, prototype) {\r\n    // check whether target is available, sometimes target will be undefined\r\n    // because different browser or some 3rd party plugin.\r\n    if (!target) {\r\n        return;\r\n    }\r\n    var filteredProperties = filterProperties(target, onProperties, ignoreProperties);\r\n    patchOnProperties(target, filteredProperties, prototype);\r\n}\r\nfunction propertyDescriptorPatch(api, _global) {\r\n    if (isNode && !isMix) {\r\n        return;\r\n    }\r\n    if (Zone[api.symbol('patchEvents')]) {\r\n        // events are already been patched by legacy patch.\r\n        return;\r\n    }\r\n    var supportsWebSocket = typeof WebSocket !== 'undefined';\r\n    var ignoreProperties = _global['__Zone_ignore_on_properties'];\r\n    // for browsers that we can patch the descriptor:  Chrome & Firefox\r\n    if (isBrowser) {\r\n        var internalWindow = window;\r\n        var ignoreErrorProperties = isIE ? [{ target: internalWindow, ignoreProperties: ['error'] }] : [];\r\n        // in IE/Edge, onProp not exist in window object, but in WindowPrototype\r\n        // so we need to pass WindowPrototype to check onProp exist or not\r\n        patchFilteredProperties(internalWindow, eventNames.concat(['messageerror']), ignoreProperties ? ignoreProperties.concat(ignoreErrorProperties) : ignoreProperties, ObjectGetPrototypeOf(internalWindow));\r\n        patchFilteredProperties(Document.prototype, eventNames, ignoreProperties);\r\n        if (typeof internalWindow['SVGElement'] !== 'undefined') {\r\n            patchFilteredProperties(internalWindow['SVGElement'].prototype, eventNames, ignoreProperties);\r\n        }\r\n        patchFilteredProperties(Element.prototype, eventNames, ignoreProperties);\r\n        patchFilteredProperties(HTMLElement.prototype, eventNames, ignoreProperties);\r\n        patchFilteredProperties(HTMLMediaElement.prototype, mediaElementEventNames, ignoreProperties);\r\n        patchFilteredProperties(HTMLFrameSetElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);\r\n        patchFilteredProperties(HTMLBodyElement.prototype, windowEventNames.concat(frameSetEventNames), ignoreProperties);\r\n        patchFilteredProperties(HTMLFrameElement.prototype, frameEventNames, ignoreProperties);\r\n        patchFilteredProperties(HTMLIFrameElement.prototype, frameEventNames, ignoreProperties);\r\n        var HTMLMarqueeElement_1 = internalWindow['HTMLMarqueeElement'];\r\n        if (HTMLMarqueeElement_1) {\r\n            patchFilteredProperties(HTMLMarqueeElement_1.prototype, marqueeEventNames, ignoreProperties);\r\n        }\r\n        var Worker_1 = internalWindow['Worker'];\r\n        if (Worker_1) {\r\n            patchFilteredProperties(Worker_1.prototype, workerEventNames, ignoreProperties);\r\n        }\r\n    }\r\n    var XMLHttpRequest = _global['XMLHttpRequest'];\r\n    if (XMLHttpRequest) {\r\n        // XMLHttpRequest is not available in ServiceWorker, so we need to check here\r\n        patchFilteredProperties(XMLHttpRequest.prototype, XMLHttpRequestEventNames, ignoreProperties);\r\n    }\r\n    var XMLHttpRequestEventTarget = _global['XMLHttpRequestEventTarget'];\r\n    if (XMLHttpRequestEventTarget) {\r\n        patchFilteredProperties(XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype, XMLHttpRequestEventNames, ignoreProperties);\r\n    }\r\n    if (typeof IDBIndex !== 'undefined') {\r\n        patchFilteredProperties(IDBIndex.prototype, IDBIndexEventNames, ignoreProperties);\r\n        patchFilteredProperties(IDBRequest.prototype, IDBIndexEventNames, ignoreProperties);\r\n        patchFilteredProperties(IDBOpenDBRequest.prototype, IDBIndexEventNames, ignoreProperties);\r\n        patchFilteredProperties(IDBDatabase.prototype, IDBIndexEventNames, ignoreProperties);\r\n        patchFilteredProperties(IDBTransaction.prototype, IDBIndexEventNames, ignoreProperties);\r\n        patchFilteredProperties(IDBCursor.prototype, IDBIndexEventNames, ignoreProperties);\r\n    }\r\n    if (supportsWebSocket) {\r\n        patchFilteredProperties(WebSocket.prototype, websocketEventNames, ignoreProperties);\r\n    }\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nZone.__load_patch('util', function (global, Zone, api) {\r\n    api.patchOnProperties = patchOnProperties;\r\n    api.patchMethod = patchMethod;\r\n    api.bindArguments = bindArguments;\r\n    api.patchMacroTask = patchMacroTask;\r\n    // In earlier version of zone.js (<0.9.0), we use env name `__zone_symbol__BLACK_LISTED_EVENTS` to\r\n    // define which events will not be patched by `Zone.js`.\r\n    // In newer version (>=0.9.0), we change the env name to `__zone_symbol__UNPATCHED_EVENTS` to keep\r\n    // the name consistent with angular repo.\r\n    // The  `__zone_symbol__BLACK_LISTED_EVENTS` is deprecated, but it is still be supported for\r\n    // backwards compatibility.\r\n    var SYMBOL_BLACK_LISTED_EVENTS = Zone.__symbol__('BLACK_LISTED_EVENTS');\r\n    var SYMBOL_UNPATCHED_EVENTS = Zone.__symbol__('UNPATCHED_EVENTS');\r\n    if (global[SYMBOL_UNPATCHED_EVENTS]) {\r\n        global[SYMBOL_BLACK_LISTED_EVENTS] = global[SYMBOL_UNPATCHED_EVENTS];\r\n    }\r\n    if (global[SYMBOL_BLACK_LISTED_EVENTS]) {\r\n        Zone[SYMBOL_BLACK_LISTED_EVENTS] = Zone[SYMBOL_UNPATCHED_EVENTS] =\r\n            global[SYMBOL_BLACK_LISTED_EVENTS];\r\n    }\r\n    api.patchEventPrototype = patchEventPrototype;\r\n    api.patchEventTarget = patchEventTarget;\r\n    api.isIEOrEdge = isIEOrEdge;\r\n    api.ObjectDefineProperty = ObjectDefineProperty;\r\n    api.ObjectGetOwnPropertyDescriptor = ObjectGetOwnPropertyDescriptor;\r\n    api.ObjectCreate = ObjectCreate;\r\n    api.ArraySlice = ArraySlice;\r\n    api.patchClass = patchClass;\r\n    api.wrapWithCurrentZone = wrapWithCurrentZone;\r\n    api.filterProperties = filterProperties;\r\n    api.attachOriginToPatched = attachOriginToPatched;\r\n    api._redefineProperty = _redefineProperty;\r\n    api.patchCallbacks = patchCallbacks;\r\n    api.getGlobalObjects = function () { return ({\r\n        globalSources: globalSources,\r\n        zoneSymbolEventNames: zoneSymbolEventNames$1,\r\n        eventNames: eventNames,\r\n        isBrowser: isBrowser,\r\n        isMix: isMix,\r\n        isNode: isNode,\r\n        TRUE_STR: TRUE_STR,\r\n        FALSE_STR: FALSE_STR,\r\n        ZONE_SYMBOL_PREFIX: ZONE_SYMBOL_PREFIX,\r\n        ADD_EVENT_LISTENER_STR: ADD_EVENT_LISTENER_STR,\r\n        REMOVE_EVENT_LISTENER_STR: REMOVE_EVENT_LISTENER_STR\r\n    }); };\r\n});\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nfunction eventTargetLegacyPatch(_global, api) {\r\n    var _a = api.getGlobalObjects(), eventNames = _a.eventNames, globalSources = _a.globalSources, zoneSymbolEventNames = _a.zoneSymbolEventNames, TRUE_STR = _a.TRUE_STR, FALSE_STR = _a.FALSE_STR, ZONE_SYMBOL_PREFIX = _a.ZONE_SYMBOL_PREFIX;\r\n    var WTF_ISSUE_555 = 'Anchor,Area,Audio,BR,Base,BaseFont,Body,Button,Canvas,Content,DList,Directory,Div,Embed,FieldSet,Font,Form,Frame,FrameSet,HR,Head,Heading,Html,IFrame,Image,Input,Keygen,LI,Label,Legend,Link,Map,Marquee,Media,Menu,Meta,Meter,Mod,OList,Object,OptGroup,Option,Output,Paragraph,Pre,Progress,Quote,Script,Select,Source,Span,Style,TableCaption,TableCell,TableCol,Table,TableRow,TableSection,TextArea,Title,Track,UList,Unknown,Video';\r\n    var NO_EVENT_TARGET = 'ApplicationCache,EventSource,FileReader,InputMethodContext,MediaController,MessagePort,Node,Performance,SVGElementInstance,SharedWorker,TextTrack,TextTrackCue,TextTrackList,WebKitNamedFlow,Window,Worker,WorkerGlobalScope,XMLHttpRequest,XMLHttpRequestEventTarget,XMLHttpRequestUpload,IDBRequest,IDBOpenDBRequest,IDBDatabase,IDBTransaction,IDBCursor,DBIndex,WebSocket'\r\n        .split(',');\r\n    var EVENT_TARGET = 'EventTarget';\r\n    var apis = [];\r\n    var isWtf = _global['wtf'];\r\n    var WTF_ISSUE_555_ARRAY = WTF_ISSUE_555.split(',');\r\n    if (isWtf) {\r\n        // Workaround for: https://github.com/google/tracing-framework/issues/555\r\n        apis = WTF_ISSUE_555_ARRAY.map(function (v) { return 'HTML' + v + 'Element'; }).concat(NO_EVENT_TARGET);\r\n    }\r\n    else if (_global[EVENT_TARGET]) {\r\n        apis.push(EVENT_TARGET);\r\n    }\r\n    else {\r\n        // Note: EventTarget is not available in all browsers,\r\n        // if it's not available, we instead patch the APIs in the IDL that inherit from EventTarget\r\n        apis = NO_EVENT_TARGET;\r\n    }\r\n    var isDisableIECheck = _global['__Zone_disable_IE_check'] || false;\r\n    var isEnableCrossContextCheck = _global['__Zone_enable_cross_context_check'] || false;\r\n    var ieOrEdge = api.isIEOrEdge();\r\n    var ADD_EVENT_LISTENER_SOURCE = '.addEventListener:';\r\n    var FUNCTION_WRAPPER = '[object FunctionWrapper]';\r\n    var BROWSER_TOOLS = 'function __BROWSERTOOLS_CONSOLE_SAFEFUNC() { [native code] }';\r\n    //  predefine all __zone_symbol__ + eventName + true/false string\r\n    for (var i = 0; i < eventNames.length; i++) {\r\n        var eventName = eventNames[i];\r\n        var falseEventName = eventName + FALSE_STR;\r\n        var trueEventName = eventName + TRUE_STR;\r\n        var symbol = ZONE_SYMBOL_PREFIX + falseEventName;\r\n        var symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;\r\n        zoneSymbolEventNames[eventName] = {};\r\n        zoneSymbolEventNames[eventName][FALSE_STR] = symbol;\r\n        zoneSymbolEventNames[eventName][TRUE_STR] = symbolCapture;\r\n    }\r\n    //  predefine all task.source string\r\n    for (var i = 0; i < WTF_ISSUE_555.length; i++) {\r\n        var target = WTF_ISSUE_555_ARRAY[i];\r\n        var targets = globalSources[target] = {};\r\n        for (var j = 0; j < eventNames.length; j++) {\r\n            var eventName = eventNames[j];\r\n            targets[eventName] = target + ADD_EVENT_LISTENER_SOURCE + eventName;\r\n        }\r\n    }\r\n    var checkIEAndCrossContext = function (nativeDelegate, delegate, target, args) {\r\n        if (!isDisableIECheck && ieOrEdge) {\r\n            if (isEnableCrossContextCheck) {\r\n                try {\r\n                    var testString = delegate.toString();\r\n                    if ((testString === FUNCTION_WRAPPER || testString == BROWSER_TOOLS)) {\r\n                        nativeDelegate.apply(target, args);\r\n                        return false;\r\n                    }\r\n                }\r\n                catch (error) {\r\n                    nativeDelegate.apply(target, args);\r\n                    return false;\r\n                }\r\n            }\r\n            else {\r\n                var testString = delegate.toString();\r\n                if ((testString === FUNCTION_WRAPPER || testString == BROWSER_TOOLS)) {\r\n                    nativeDelegate.apply(target, args);\r\n                    return false;\r\n                }\r\n            }\r\n        }\r\n        else if (isEnableCrossContextCheck) {\r\n            try {\r\n                delegate.toString();\r\n            }\r\n            catch (error) {\r\n                nativeDelegate.apply(target, args);\r\n                return false;\r\n            }\r\n        }\r\n        return true;\r\n    };\r\n    var apiTypes = [];\r\n    for (var i = 0; i < apis.length; i++) {\r\n        var type = _global[apis[i]];\r\n        apiTypes.push(type && type.prototype);\r\n    }\r\n    // vh is validateHandler to check event handler\r\n    // is valid or not(for security check)\r\n    api.patchEventTarget(_global, apiTypes, { vh: checkIEAndCrossContext });\r\n    Zone[api.symbol('patchEventTarget')] = !!_global[EVENT_TARGET];\r\n    return true;\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n// we have to patch the instance since the proto is non-configurable\r\nfunction apply(api, _global) {\r\n    var _a = api.getGlobalObjects(), ADD_EVENT_LISTENER_STR = _a.ADD_EVENT_LISTENER_STR, REMOVE_EVENT_LISTENER_STR = _a.REMOVE_EVENT_LISTENER_STR;\r\n    var WS = _global.WebSocket;\r\n    // On Safari window.EventTarget doesn't exist so need to patch WS add/removeEventListener\r\n    // On older Chrome, no need since EventTarget was already patched\r\n    if (!_global.EventTarget) {\r\n        api.patchEventTarget(_global, [WS.prototype]);\r\n    }\r\n    _global.WebSocket = function (x, y) {\r\n        var socket = arguments.length > 1 ? new WS(x, y) : new WS(x);\r\n        var proxySocket;\r\n        var proxySocketProto;\r\n        // Safari 7.0 has non-configurable own 'onmessage' and friends properties on the socket instance\r\n        var onmessageDesc = api.ObjectGetOwnPropertyDescriptor(socket, 'onmessage');\r\n        if (onmessageDesc && onmessageDesc.configurable === false) {\r\n            proxySocket = api.ObjectCreate(socket);\r\n            // socket have own property descriptor 'onopen', 'onmessage', 'onclose', 'onerror'\r\n            // but proxySocket not, so we will keep socket as prototype and pass it to\r\n            // patchOnProperties method\r\n            proxySocketProto = socket;\r\n            [ADD_EVENT_LISTENER_STR, REMOVE_EVENT_LISTENER_STR, 'send', 'close'].forEach(function (propName) {\r\n                proxySocket[propName] = function () {\r\n                    var args = api.ArraySlice.call(arguments);\r\n                    if (propName === ADD_EVENT_LISTENER_STR || propName === REMOVE_EVENT_LISTENER_STR) {\r\n                        var eventName = args.length > 0 ? args[0] : undefined;\r\n                        if (eventName) {\r\n                            var propertySymbol = Zone.__symbol__('ON_PROPERTY' + eventName);\r\n                            socket[propertySymbol] = proxySocket[propertySymbol];\r\n                        }\r\n                    }\r\n                    return socket[propName].apply(socket, args);\r\n                };\r\n            });\r\n        }\r\n        else {\r\n            // we can patch the real socket\r\n            proxySocket = socket;\r\n        }\r\n        api.patchOnProperties(proxySocket, ['close', 'error', 'message', 'open'], proxySocketProto);\r\n        return proxySocket;\r\n    };\r\n    var globalWebSocket = _global['WebSocket'];\r\n    for (var prop in WS) {\r\n        globalWebSocket[prop] = WS[prop];\r\n    }\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/**\r\n * @fileoverview\r\n * @suppress {globalThis}\r\n */\r\nfunction propertyDescriptorLegacyPatch(api, _global) {\r\n    var _a = api.getGlobalObjects(), isNode = _a.isNode, isMix = _a.isMix;\r\n    if (isNode && !isMix) {\r\n        return;\r\n    }\r\n    if (!canPatchViaPropertyDescriptor(api, _global)) {\r\n        var supportsWebSocket = typeof WebSocket !== 'undefined';\r\n        // Safari, Android browsers (Jelly Bean)\r\n        patchViaCapturingAllTheEvents(api);\r\n        api.patchClass('XMLHttpRequest');\r\n        if (supportsWebSocket) {\r\n            apply(api, _global);\r\n        }\r\n        Zone[api.symbol('patchEvents')] = true;\r\n    }\r\n}\r\nfunction canPatchViaPropertyDescriptor(api, _global) {\r\n    var _a = api.getGlobalObjects(), isBrowser = _a.isBrowser, isMix = _a.isMix;\r\n    if ((isBrowser || isMix) &&\r\n        !api.ObjectGetOwnPropertyDescriptor(HTMLElement.prototype, 'onclick') &&\r\n        typeof Element !== 'undefined') {\r\n        // WebKit https://bugs.webkit.org/show_bug.cgi?id=134364\r\n        // IDL interface attributes are not configurable\r\n        var desc = api.ObjectGetOwnPropertyDescriptor(Element.prototype, 'onclick');\r\n        if (desc && !desc.configurable)\r\n            return false;\r\n        // try to use onclick to detect whether we can patch via propertyDescriptor\r\n        // because XMLHttpRequest is not available in service worker\r\n        if (desc) {\r\n            api.ObjectDefineProperty(Element.prototype, 'onclick', {\r\n                enumerable: true,\r\n                configurable: true,\r\n                get: function () {\r\n                    return true;\r\n                }\r\n            });\r\n            var div = document.createElement('div');\r\n            var result = !!div.onclick;\r\n            api.ObjectDefineProperty(Element.prototype, 'onclick', desc);\r\n            return result;\r\n        }\r\n    }\r\n    var XMLHttpRequest = _global['XMLHttpRequest'];\r\n    if (!XMLHttpRequest) {\r\n        // XMLHttpRequest is not available in service worker\r\n        return false;\r\n    }\r\n    var ON_READY_STATE_CHANGE = 'onreadystatechange';\r\n    var XMLHttpRequestPrototype = XMLHttpRequest.prototype;\r\n    var xhrDesc = api.ObjectGetOwnPropertyDescriptor(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE);\r\n    // add enumerable and configurable here because in opera\r\n    // by default XMLHttpRequest.prototype.onreadystatechange is undefined\r\n    // without adding enumerable and configurable will cause onreadystatechange\r\n    // non-configurable\r\n    // and if XMLHttpRequest.prototype.onreadystatechange is undefined,\r\n    // we should set a real desc instead a fake one\r\n    if (xhrDesc) {\r\n        api.ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, {\r\n            enumerable: true,\r\n            configurable: true,\r\n            get: function () {\r\n                return true;\r\n            }\r\n        });\r\n        var req = new XMLHttpRequest();\r\n        var result = !!req.onreadystatechange;\r\n        // restore original desc\r\n        api.ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, xhrDesc || {});\r\n        return result;\r\n    }\r\n    else {\r\n        var SYMBOL_FAKE_ONREADYSTATECHANGE_1 = api.symbol('fake');\r\n        api.ObjectDefineProperty(XMLHttpRequestPrototype, ON_READY_STATE_CHANGE, {\r\n            enumerable: true,\r\n            configurable: true,\r\n            get: function () {\r\n                return this[SYMBOL_FAKE_ONREADYSTATECHANGE_1];\r\n            },\r\n            set: function (value) {\r\n                this[SYMBOL_FAKE_ONREADYSTATECHANGE_1] = value;\r\n            }\r\n        });\r\n        var req = new XMLHttpRequest();\r\n        var detectFunc = function () { };\r\n        req.onreadystatechange = detectFunc;\r\n        var result = req[SYMBOL_FAKE_ONREADYSTATECHANGE_1] === detectFunc;\r\n        req.onreadystatechange = null;\r\n        return result;\r\n    }\r\n}\r\n// Whenever any eventListener fires, we check the eventListener target and all parents\r\n// for `onwhatever` properties and replace them with zone-bound functions\r\n// - Chrome (for now)\r\nfunction patchViaCapturingAllTheEvents(api) {\r\n    var eventNames = api.getGlobalObjects().eventNames;\r\n    var unboundKey = api.symbol('unbound');\r\n    var _loop_1 = function (i) {\r\n        var property = eventNames[i];\r\n        var onproperty = 'on' + property;\r\n        self.addEventListener(property, function (event) {\r\n            var elt = event.target, bound, source;\r\n            if (elt) {\r\n                source = elt.constructor['name'] + '.' + onproperty;\r\n            }\r\n            else {\r\n                source = 'unknown.' + onproperty;\r\n            }\r\n            while (elt) {\r\n                if (elt[onproperty] && !elt[onproperty][unboundKey]) {\r\n                    bound = api.wrapWithCurrentZone(elt[onproperty], source);\r\n                    bound[unboundKey] = elt[onproperty];\r\n                    elt[onproperty] = bound;\r\n                }\r\n                elt = elt.parentElement;\r\n            }\r\n        }, true);\r\n    };\r\n    for (var i = 0; i < eventNames.length; i++) {\r\n        _loop_1(i);\r\n    }\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nfunction registerElementPatch(_global, api) {\r\n    var _a = api.getGlobalObjects(), isBrowser = _a.isBrowser, isMix = _a.isMix;\r\n    if ((!isBrowser && !isMix) || !('registerElement' in _global.document)) {\r\n        return;\r\n    }\r\n    var callbacks = ['createdCallback', 'attachedCallback', 'detachedCallback', 'attributeChangedCallback'];\r\n    api.patchCallbacks(api, document, 'Document', 'registerElement', callbacks);\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/**\r\n * @fileoverview\r\n * @suppress {missingRequire}\r\n */\r\n(function (_global) {\r\n    _global['__zone_symbol__legacyPatch'] = function () {\r\n        var Zone = _global['Zone'];\r\n        Zone.__load_patch('registerElement', function (global, Zone, api) {\r\n            registerElementPatch(global, api);\r\n        });\r\n        Zone.__load_patch('EventTargetLegacy', function (global, Zone, api) {\r\n            eventTargetLegacyPatch(global, api);\r\n            propertyDescriptorLegacyPatch(api, global);\r\n        });\r\n    };\r\n})(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global);\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/**\r\n * @fileoverview\r\n * @suppress {missingRequire}\r\n */\r\nvar taskSymbol = zoneSymbol('zoneTask');\r\nfunction patchTimer(window, setName, cancelName, nameSuffix) {\r\n    var setNative = null;\r\n    var clearNative = null;\r\n    setName += nameSuffix;\r\n    cancelName += nameSuffix;\r\n    var tasksByHandleId = {};\r\n    function scheduleTask(task) {\r\n        var data = task.data;\r\n        function timer() {\r\n            try {\r\n                task.invoke.apply(this, arguments);\r\n            }\r\n            finally {\r\n                // issue-934, task will be cancelled\r\n                // even it is a periodic task such as\r\n                // setInterval\r\n                if (!(task.data && task.data.isPeriodic)) {\r\n                    if (typeof data.handleId === 'number') {\r\n                        // in non-nodejs env, we remove timerId\r\n                        // from local cache\r\n                        delete tasksByHandleId[data.handleId];\r\n                    }\r\n                    else if (data.handleId) {\r\n                        // Node returns complex objects as handleIds\r\n                        // we remove task reference from timer object\r\n                        data.handleId[taskSymbol] = null;\r\n                    }\r\n                }\r\n            }\r\n        }\r\n        data.args[0] = timer;\r\n        data.handleId = setNative.apply(window, data.args);\r\n        return task;\r\n    }\r\n    function clearTask(task) {\r\n        return clearNative(task.data.handleId);\r\n    }\r\n    setNative =\r\n        patchMethod(window, setName, function (delegate) { return function (self, args) {\r\n            if (typeof args[0] === 'function') {\r\n                var options = {\r\n                    isPeriodic: nameSuffix === 'Interval',\r\n                    delay: (nameSuffix === 'Timeout' || nameSuffix === 'Interval') ? args[1] || 0 :\r\n                        undefined,\r\n                    args: args\r\n                };\r\n                var task = scheduleMacroTaskWithCurrentZone(setName, args[0], options, scheduleTask, clearTask);\r\n                if (!task) {\r\n                    return task;\r\n                }\r\n                // Node.js must additionally support the ref and unref functions.\r\n                var handle = task.data.handleId;\r\n                if (typeof handle === 'number') {\r\n                    // for non nodejs env, we save handleId: task\r\n                    // mapping in local cache for clearTimeout\r\n                    tasksByHandleId[handle] = task;\r\n                }\r\n                else if (handle) {\r\n                    // for nodejs env, we save task\r\n                    // reference in timerId Object for clearTimeout\r\n                    handle[taskSymbol] = task;\r\n                }\r\n                // check whether handle is null, because some polyfill or browser\r\n                // may return undefined from setTimeout/setInterval/setImmediate/requestAnimationFrame\r\n                if (handle && handle.ref && handle.unref && typeof handle.ref === 'function' &&\r\n                    typeof handle.unref === 'function') {\r\n                    task.ref = handle.ref.bind(handle);\r\n                    task.unref = handle.unref.bind(handle);\r\n                }\r\n                if (typeof handle === 'number' || handle) {\r\n                    return handle;\r\n                }\r\n                return task;\r\n            }\r\n            else {\r\n                // cause an error by calling it directly.\r\n                return delegate.apply(window, args);\r\n            }\r\n        }; });\r\n    clearNative =\r\n        patchMethod(window, cancelName, function (delegate) { return function (self, args) {\r\n            var id = args[0];\r\n            var task;\r\n            if (typeof id === 'number') {\r\n                // non nodejs env.\r\n                task = tasksByHandleId[id];\r\n            }\r\n            else {\r\n                // nodejs env.\r\n                task = id && id[taskSymbol];\r\n                // other environments.\r\n                if (!task) {\r\n                    task = id;\r\n                }\r\n            }\r\n            if (task && typeof task.type === 'string') {\r\n                if (task.state !== 'notScheduled' &&\r\n                    (task.cancelFn && task.data.isPeriodic || task.runCount === 0)) {\r\n                    if (typeof id === 'number') {\r\n                        delete tasksByHandleId[id];\r\n                    }\r\n                    else if (id) {\r\n                        id[taskSymbol] = null;\r\n                    }\r\n                    // Do not cancel already canceled functions\r\n                    task.zone.cancelTask(task);\r\n                }\r\n            }\r\n            else {\r\n                // cause an error by calling it directly.\r\n                delegate.apply(window, args);\r\n            }\r\n        }; });\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nfunction patchCustomElements(_global, api) {\r\n    var _a = api.getGlobalObjects(), isBrowser = _a.isBrowser, isMix = _a.isMix;\r\n    if ((!isBrowser && !isMix) || !_global['customElements'] || !('customElements' in _global)) {\r\n        return;\r\n    }\r\n    var callbacks = ['connectedCallback', 'disconnectedCallback', 'adoptedCallback', 'attributeChangedCallback'];\r\n    api.patchCallbacks(api, _global.customElements, 'customElements', 'define', callbacks);\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\nfunction eventTargetPatch(_global, api) {\r\n    if (Zone[api.symbol('patchEventTarget')]) {\r\n        // EventTarget is already patched.\r\n        return;\r\n    }\r\n    var _a = api.getGlobalObjects(), eventNames = _a.eventNames, zoneSymbolEventNames = _a.zoneSymbolEventNames, TRUE_STR = _a.TRUE_STR, FALSE_STR = _a.FALSE_STR, ZONE_SYMBOL_PREFIX = _a.ZONE_SYMBOL_PREFIX;\r\n    //  predefine all __zone_symbol__ + eventName + true/false string\r\n    for (var i = 0; i < eventNames.length; i++) {\r\n        var eventName = eventNames[i];\r\n        var falseEventName = eventName + FALSE_STR;\r\n        var trueEventName = eventName + TRUE_STR;\r\n        var symbol = ZONE_SYMBOL_PREFIX + falseEventName;\r\n        var symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName;\r\n        zoneSymbolEventNames[eventName] = {};\r\n        zoneSymbolEventNames[eventName][FALSE_STR] = symbol;\r\n        zoneSymbolEventNames[eventName][TRUE_STR] = symbolCapture;\r\n    }\r\n    var EVENT_TARGET = _global['EventTarget'];\r\n    if (!EVENT_TARGET || !EVENT_TARGET.prototype) {\r\n        return;\r\n    }\r\n    api.patchEventTarget(_global, [EVENT_TARGET && EVENT_TARGET.prototype]);\r\n    return true;\r\n}\r\nfunction patchEvent$1(global, api) {\r\n    api.patchEventPrototype(global, api);\r\n}\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n/**\r\n * @fileoverview\r\n * @suppress {missingRequire}\r\n */\r\nZone.__load_patch('legacy', function (global) {\r\n    var legacyPatch = global[Zone.__symbol__('legacyPatch')];\r\n    if (legacyPatch) {\r\n        legacyPatch();\r\n    }\r\n});\r\nZone.__load_patch('timers', function (global) {\r\n    var set = 'set';\r\n    var clear = 'clear';\r\n    patchTimer(global, set, clear, 'Timeout');\r\n    patchTimer(global, set, clear, 'Interval');\r\n    patchTimer(global, set, clear, 'Immediate');\r\n});\r\nZone.__load_patch('requestAnimationFrame', function (global) {\r\n    patchTimer(global, 'request', 'cancel', 'AnimationFrame');\r\n    patchTimer(global, 'mozRequest', 'mozCancel', 'AnimationFrame');\r\n    patchTimer(global, 'webkitRequest', 'webkitCancel', 'AnimationFrame');\r\n});\r\nZone.__load_patch('blocking', function (global, Zone) {\r\n    var blockingMethods = ['alert', 'prompt', 'confirm'];\r\n    for (var i = 0; i < blockingMethods.length; i++) {\r\n        var name_1 = blockingMethods[i];\r\n        patchMethod(global, name_1, function (delegate, symbol, name) {\r\n            return function (s, args) {\r\n                return Zone.current.run(delegate, global, args, name);\r\n            };\r\n        });\r\n    }\r\n});\r\nZone.__load_patch('EventTarget', function (global, Zone, api) {\r\n    patchEvent$1(global, api);\r\n    eventTargetPatch(global, api);\r\n    // patch XMLHttpRequestEventTarget's addEventListener/removeEventListener\r\n    var XMLHttpRequestEventTarget = global['XMLHttpRequestEventTarget'];\r\n    if (XMLHttpRequestEventTarget && XMLHttpRequestEventTarget.prototype) {\r\n        api.patchEventTarget(global, [XMLHttpRequestEventTarget.prototype]);\r\n    }\r\n    patchClass('MutationObserver');\r\n    patchClass('WebKitMutationObserver');\r\n    patchClass('IntersectionObserver');\r\n    patchClass('FileReader');\r\n});\r\nZone.__load_patch('on_property', function (global, Zone, api) {\r\n    propertyDescriptorPatch(api, global);\r\n    propertyPatch();\r\n});\r\nZone.__load_patch('customElements', function (global, Zone, api) {\r\n    patchCustomElements(global, api);\r\n});\r\nZone.__load_patch('XHR', function (global, Zone) {\r\n    // Treat XMLHttpRequest as a macrotask.\r\n    patchXHR(global);\r\n    var XHR_TASK = zoneSymbol('xhrTask');\r\n    var XHR_SYNC = zoneSymbol('xhrSync');\r\n    var XHR_LISTENER = zoneSymbol('xhrListener');\r\n    var XHR_SCHEDULED = zoneSymbol('xhrScheduled');\r\n    var XHR_URL = zoneSymbol('xhrURL');\r\n    var XHR_ERROR_BEFORE_SCHEDULED = zoneSymbol('xhrErrorBeforeScheduled');\r\n    function patchXHR(window) {\r\n        var XMLHttpRequest = window['XMLHttpRequest'];\r\n        if (!XMLHttpRequest) {\r\n            // XMLHttpRequest is not available in service worker\r\n            return;\r\n        }\r\n        var XMLHttpRequestPrototype = XMLHttpRequest.prototype;\r\n        function findPendingTask(target) {\r\n            return target[XHR_TASK];\r\n        }\r\n        var oriAddListener = XMLHttpRequestPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];\r\n        var oriRemoveListener = XMLHttpRequestPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\r\n        if (!oriAddListener) {\r\n            var XMLHttpRequestEventTarget_1 = window['XMLHttpRequestEventTarget'];\r\n            if (XMLHttpRequestEventTarget_1) {\r\n                var XMLHttpRequestEventTargetPrototype = XMLHttpRequestEventTarget_1.prototype;\r\n                oriAddListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_ADD_EVENT_LISTENER];\r\n                oriRemoveListener = XMLHttpRequestEventTargetPrototype[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\r\n            }\r\n        }\r\n        var READY_STATE_CHANGE = 'readystatechange';\r\n        var SCHEDULED = 'scheduled';\r\n        function scheduleTask(task) {\r\n            var data = task.data;\r\n            var target = data.target;\r\n            target[XHR_SCHEDULED] = false;\r\n            target[XHR_ERROR_BEFORE_SCHEDULED] = false;\r\n            // remove existing event listener\r\n            var listener = target[XHR_LISTENER];\r\n            if (!oriAddListener) {\r\n                oriAddListener = target[ZONE_SYMBOL_ADD_EVENT_LISTENER];\r\n                oriRemoveListener = target[ZONE_SYMBOL_REMOVE_EVENT_LISTENER];\r\n            }\r\n            if (listener) {\r\n                oriRemoveListener.call(target, READY_STATE_CHANGE, listener);\r\n            }\r\n            var newListener = target[XHR_LISTENER] = function () {\r\n                if (target.readyState === target.DONE) {\r\n                    // sometimes on some browsers XMLHttpRequest will fire onreadystatechange with\r\n                    // readyState=4 multiple times, so we need to check task state here\r\n                    if (!data.aborted && target[XHR_SCHEDULED] && task.state === SCHEDULED) {\r\n                        // check whether the xhr has registered onload listener\r\n                        // if that is the case, the task should invoke after all\r\n                        // onload listeners finish.\r\n                        var loadTasks = target['__zone_symbol__loadfalse'];\r\n                        if (loadTasks && loadTasks.length > 0) {\r\n                            var oriInvoke_1 = task.invoke;\r\n                            task.invoke = function () {\r\n                                // need to load the tasks again, because in other\r\n                                // load listener, they may remove themselves\r\n                                var loadTasks = target['__zone_symbol__loadfalse'];\r\n                                for (var i = 0; i < loadTasks.length; i++) {\r\n                                    if (loadTasks[i] === task) {\r\n                                        loadTasks.splice(i, 1);\r\n                                    }\r\n                                }\r\n                                if (!data.aborted && task.state === SCHEDULED) {\r\n                                    oriInvoke_1.call(task);\r\n                                }\r\n                            };\r\n                            loadTasks.push(task);\r\n                        }\r\n                        else {\r\n                            task.invoke();\r\n                        }\r\n                    }\r\n                    else if (!data.aborted && target[XHR_SCHEDULED] === false) {\r\n                        // error occurs when xhr.send()\r\n                        target[XHR_ERROR_BEFORE_SCHEDULED] = true;\r\n                    }\r\n                }\r\n            };\r\n            oriAddListener.call(target, READY_STATE_CHANGE, newListener);\r\n            var storedTask = target[XHR_TASK];\r\n            if (!storedTask) {\r\n                target[XHR_TASK] = task;\r\n            }\r\n            sendNative.apply(target, data.args);\r\n            target[XHR_SCHEDULED] = true;\r\n            return task;\r\n        }\r\n        function placeholderCallback() { }\r\n        function clearTask(task) {\r\n            var data = task.data;\r\n            // Note - ideally, we would call data.target.removeEventListener here, but it's too late\r\n            // to prevent it from firing. So instead, we store info for the event listener.\r\n            data.aborted = true;\r\n            return abortNative.apply(data.target, data.args);\r\n        }\r\n        var openNative = patchMethod(XMLHttpRequestPrototype, 'open', function () { return function (self, args) {\r\n            self[XHR_SYNC] = args[2] == false;\r\n            self[XHR_URL] = args[1];\r\n            return openNative.apply(self, args);\r\n        }; });\r\n        var XMLHTTPREQUEST_SOURCE = 'XMLHttpRequest.send';\r\n        var fetchTaskAborting = zoneSymbol('fetchTaskAborting');\r\n        var fetchTaskScheduling = zoneSymbol('fetchTaskScheduling');\r\n        var sendNative = patchMethod(XMLHttpRequestPrototype, 'send', function () { return function (self, args) {\r\n            if (Zone.current[fetchTaskScheduling] === true) {\r\n                // a fetch is scheduling, so we are using xhr to polyfill fetch\r\n                // and because we already schedule macroTask for fetch, we should\r\n                // not schedule a macroTask for xhr again\r\n                return sendNative.apply(self, args);\r\n            }\r\n            if (self[XHR_SYNC]) {\r\n                // if the XHR is sync there is no task to schedule, just execute the code.\r\n                return sendNative.apply(self, args);\r\n            }\r\n            else {\r\n                var options = { target: self, url: self[XHR_URL], isPeriodic: false, args: args, aborted: false };\r\n                var task = scheduleMacroTaskWithCurrentZone(XMLHTTPREQUEST_SOURCE, placeholderCallback, options, scheduleTask, clearTask);\r\n                if (self && self[XHR_ERROR_BEFORE_SCHEDULED] === true && !options.aborted &&\r\n                    task.state === SCHEDULED) {\r\n                    // xhr request throw error when send\r\n                    // we should invoke task instead of leaving a scheduled\r\n                    // pending macroTask\r\n                    task.invoke();\r\n                }\r\n            }\r\n        }; });\r\n        var abortNative = patchMethod(XMLHttpRequestPrototype, 'abort', function () { return function (self, args) {\r\n            var task = findPendingTask(self);\r\n            if (task && typeof task.type == 'string') {\r\n                // If the XHR has already completed, do nothing.\r\n                // If the XHR has already been aborted, do nothing.\r\n                // Fix #569, call abort multiple times before done will cause\r\n                // macroTask task count be negative number\r\n                if (task.cancelFn == null || (task.data && task.data.aborted)) {\r\n                    return;\r\n                }\r\n                task.zone.cancelTask(task);\r\n            }\r\n            else if (Zone.current[fetchTaskAborting] === true) {\r\n                // the abort is called from fetch polyfill, we need to call native abort of XHR.\r\n                return abortNative.apply(self, args);\r\n            }\r\n            // Otherwise, we are trying to abort an XHR which has not yet been sent, so there is no\r\n            // task\r\n            // to cancel. Do nothing.\r\n        }; });\r\n    }\r\n});\r\nZone.__load_patch('geolocation', function (global) {\r\n    /// GEO_LOCATION\r\n    if (global['navigator'] && global['navigator'].geolocation) {\r\n        patchPrototype(global['navigator'].geolocation, ['getCurrentPosition', 'watchPosition']);\r\n    }\r\n});\r\nZone.__load_patch('PromiseRejectionEvent', function (global, Zone) {\r\n    // handle unhandled promise rejection\r\n    function findPromiseRejectionHandler(evtName) {\r\n        return function (e) {\r\n            var eventTasks = findEventTasks(global, evtName);\r\n            eventTasks.forEach(function (eventTask) {\r\n                // windows has added unhandledrejection event listener\r\n                // trigger the event listener\r\n                var PromiseRejectionEvent = global['PromiseRejectionEvent'];\r\n                if (PromiseRejectionEvent) {\r\n                    var evt = new PromiseRejectionEvent(evtName, { promise: e.promise, reason: e.rejection });\r\n                    eventTask.invoke(evt);\r\n                }\r\n            });\r\n        };\r\n    }\r\n    if (global['PromiseRejectionEvent']) {\r\n        Zone[zoneSymbol('unhandledPromiseRejectionHandler')] =\r\n            findPromiseRejectionHandler('unhandledrejection');\r\n        Zone[zoneSymbol('rejectionHandledHandler')] =\r\n            findPromiseRejectionHandler('rejectionhandled');\r\n    }\r\n});\r\n\r\n/**\r\n * @license\r\n * Copyright Google Inc. All Rights Reserved.\r\n *\r\n * Use of this source code is governed by an MIT-style license that can be\r\n * found in the LICENSE file at https://angular.io/license\r\n */\r\n\r\n})));\r\n","/**\r\n * This file includes polyfills needed by Angular and is loaded before the app.\r\n * You can add your own extra polyfills to this file.\r\n *\r\n * This file is divided into 2 sections:\r\n *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.\r\n *   2. Application imports. Files imported after ZoneJS that should be loaded before your main\r\n *      file.\r\n *\r\n * The current setup is for so-called \"evergreen\" browsers; the last versions of browsers that\r\n * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),\r\n * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.\r\n *\r\n * Learn more in https://angular.io/guide/browser-support\r\n */\r\n\r\n/***************************************************************************************************\r\n * BROWSER POLYFILLS\r\n */\r\n\r\n/** IE10 and IE11 requires the following for NgClass support on SVG elements */\r\n //import 'classlist.js';  // Run `npm install --save classlist.js`.\r\n\r\n/**\r\n * Web Animations `@angular/platform-browser/animations`\r\n * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.\r\n * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).\r\n */\r\n //import 'web-animations-js';  // Run `npm install --save web-animations-js`.\r\n\r\n/**\r\n * By default, zone.js will patch all possible macroTask and DomEvents\r\n * user can disable parts of macroTask/DomEvents patch by setting following flags\r\n * because those flags need to be set before `zone.js` being loaded, and webpack\r\n * will put import in the top of bundle, so user need to create a separate file\r\n * in this directory (for example: zone-flags.ts), and put the following flags\r\n * into that file, and then add the following code before importing zone.js.\r\n * import './zone-flags.ts';\r\n *\r\n * The flags allowed in zone-flags.ts are listed here.\r\n *\r\n * The following flags will work for all browsers.\r\n *\r\n * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame\r\n * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick\r\n * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames\r\n *\r\n *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js\r\n *  with the following flag, it will bypass `zone.js` patch for IE/Edge\r\n *\r\n *  (window as any).__Zone_enable_cross_context_check = true;\r\n *\r\n */\r\n\r\n/***************************************************************************************************\r\n * Zone JS is required by default for Angular itself.\r\n */\r\nimport 'zone.js/dist/zone';  // Included with Angular CLI.\r\n\r\n\r\n/***************************************************************************************************\r\n * APPLICATION IMPORTS\r\n */"],"sourceRoot":""}