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| /** | |
| * @license | |
| * Copyright Google Inc. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by an MIT-style license that can be | |
| * found in the LICENSE file at https://angular.io/license | |
| */ | |
| (function (global, factory) { | |
| typeof exports === 'object' && typeof module !== 'undefined' ? factory() : | |
| typeof define === 'function' && define.amd ? define(factory) : | |
| (factory()); | |
| }(this, (function () { 'use strict'; | |
| /** | |
| * @license | |
| * Copyright Google Inc. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by an MIT-style license that can be | |
| * found in the LICENSE file at https://angular.io/license | |
| */ | |
| var Zone$1 = (function (global) { | |
| var performance = global['performance']; | |
| function mark(name) { | |
| performance && performance['mark'] && performance['mark'](name); | |
| } | |
| function performanceMeasure(name, label) { | |
| performance && performance['measure'] && performance['measure'](name, label); | |
| } | |
| mark('Zone'); | |
| if (global['Zone']) { | |
| // if global['Zone'] already exists (maybe zone.js was already loaded or | |
| // some other lib also registered a global object named Zone), we may need | |
| // to throw an error, but sometimes user may not want this error. | |
| // For example, | |
| // we have two web pages, page1 includes zone.js, page2 doesn't. | |
| // and the 1st time user load page1 and page2, everything work fine, | |
| // but when user load page2 again, error occurs because global['Zone'] already exists. | |
| // so we add a flag to let user choose whether to throw this error or not. | |
| // By default, if existing Zone is from zone.js, we will not throw the error. | |
| if (global[('__zone_symbol__forceDuplicateZoneCheck')] === true || | |
| typeof global['Zone'].__symbol__ !== 'function') { | |
| throw new Error('Zone already loaded.'); | |
| } | |
| else { | |
| return global['Zone']; | |
| } | |
| } | |
| var Zone = /** @class */ (function () { | |
| function Zone(parent, zoneSpec) { | |
| this._parent = parent; | |
| this._name = zoneSpec ? zoneSpec.name || 'unnamed' : '<root>'; | |
| this._properties = zoneSpec && zoneSpec.properties || {}; | |
| this._zoneDelegate = | |
| new ZoneDelegate(this, this._parent && this._parent._zoneDelegate, zoneSpec); | |
| } | |
| Zone.assertZonePatched = function () { | |
| if (global['Promise'] !== patches['ZoneAwarePromise']) { | |
| throw new Error('Zone.js has detected that ZoneAwarePromise `(window|global).Promise` ' + | |
| 'has been overwritten.\n' + | |
| 'Most likely cause is that a Promise polyfill has been loaded ' + | |
| 'after Zone.js (Polyfilling Promise api is not necessary when zone.js is loaded. ' + | |
| 'If you must load one, do so before loading zone.js.)'); | |
| } | |
| }; | |
| Object.defineProperty(Zone, "root", { | |
| get: function () { | |
| var zone = Zone.current; | |
| while (zone.parent) { | |
| zone = zone.parent; | |
| } | |
| return zone; | |
| }, | |
| enumerable: true, | |
| configurable: true | |
| }); | |
| Object.defineProperty(Zone, "current", { | |
| get: function () { | |
| return _currentZoneFrame.zone; | |
| }, | |
| enumerable: true, | |
| configurable: true | |
| }); | |
| Object.defineProperty(Zone, "currentTask", { | |
| get: function () { | |
| return _currentTask; | |
| }, | |
| enumerable: true, | |
| configurable: true | |
| }); | |
| Zone.__load_patch = function (name, fn) { | |
| if (patches.hasOwnProperty(name)) { | |
| throw Error('Already loaded patch: ' + name); | |
| } | |
| else if (!global['__Zone_disable_' + name]) { | |
| var perfName = 'Zone:' + name; | |
| mark(perfName); | |
| patches[name] = fn(global, Zone, _api); | |
| performanceMeasure(perfName, perfName); | |
| } | |
| }; | |
| Object.defineProperty(Zone.prototype, "parent", { | |
| get: function () { | |
| return this._parent; | |
| }, | |
| enumerable: true, | |
| configurable: true | |
| }); | |
| Object.defineProperty(Zone.prototype, "name", { | |
| get: function () { | |
| return this._name; | |
| }, | |
| enumerable: true, | |
| configurable: true | |
| }); | |
| Zone.prototype.get = function (key) { | |
| var zone = this.getZoneWith(key); | |
| if (zone) | |
| return zone._properties[key]; | |
| }; | |
| Zone.prototype.getZoneWith = function (key) { | |
| var current = this; | |
| while (current) { | |
| if (current._properties.hasOwnProperty(key)) { | |
| return current; | |
| } | |
| current = current._parent; | |
| } | |
| return null; | |
| }; | |
| Zone.prototype.fork = function (zoneSpec) { | |
| if (!zoneSpec) | |
| throw new Error('ZoneSpec required!'); | |
| return this._zoneDelegate.fork(this, zoneSpec); | |
| }; | |
| Zone.prototype.wrap = function (callback, source) { | |
| if (typeof callback !== 'function') { | |
| throw new Error('Expecting function got: ' + callback); | |
| } | |
| var _callback = this._zoneDelegate.intercept(this, callback, source); | |
| var zone = this; | |
| return function () { | |
| return zone.runGuarded(_callback, this, arguments, source); | |
| }; | |
| }; | |
| Zone.prototype.run = function (callback, applyThis, applyArgs, source) { | |
| _currentZoneFrame = { parent: _currentZoneFrame, zone: this }; | |
| try { | |
| return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source); | |
| } | |
| finally { | |
| _currentZoneFrame = _currentZoneFrame.parent; | |
| } | |
| }; | |
| Zone.prototype.runGuarded = function (callback, applyThis, applyArgs, source) { | |
| if (applyThis === void 0) { applyThis = null; } | |
| _currentZoneFrame = { parent: _currentZoneFrame, zone: this }; | |
| try { | |
| try { | |
| return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source); | |
| } | |
| catch (error) { | |
| if (this._zoneDelegate.handleError(this, error)) { | |
| throw error; | |
| } | |
| } | |
| } | |
| finally { | |
| _currentZoneFrame = _currentZoneFrame.parent; | |
| } | |
| }; | |
| Zone.prototype.runTask = function (task, applyThis, applyArgs) { | |
| if (task.zone != this) { | |
| throw new Error('A task can only be run in the zone of creation! (Creation: ' + | |
| (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')'); | |
| } | |
| // https://github.com/angular/zone.js/issues/778, sometimes eventTask | |
| // will run in notScheduled(canceled) state, we should not try to | |
| // run such kind of task but just return | |
| if (task.state === notScheduled && task.type === eventTask) { | |
| return; | |
| } | |
| var reEntryGuard = task.state != running; | |
| reEntryGuard && task._transitionTo(running, scheduled); | |
| task.runCount++; | |
| var previousTask = _currentTask; | |
| _currentTask = task; | |
| _currentZoneFrame = { parent: _currentZoneFrame, zone: this }; | |
| try { | |
| if (task.type == macroTask && task.data && !task.data.isPeriodic) { | |
| task.cancelFn = undefined; | |
| } | |
| try { | |
| return this._zoneDelegate.invokeTask(this, task, applyThis, applyArgs); | |
| } | |
| catch (error) { | |
| if (this._zoneDelegate.handleError(this, error)) { | |
| throw error; | |
| } | |
| } | |
| } | |
| finally { | |
| // if the task's state is notScheduled or unknown, then it has already been cancelled | |
| // we should not reset the state to scheduled | |
| if (task.state !== notScheduled && task.state !== unknown) { | |
| if (task.type == eventTask || (task.data && task.data.isPeriodic)) { | |
| reEntryGuard && task._transitionTo(scheduled, running); | |
| } | |
| else { | |
| task.runCount = 0; | |
| this._updateTaskCount(task, -1); | |
| reEntryGuard && | |
| task._transitionTo(notScheduled, running, notScheduled); | |
| } | |
| } | |
| _currentZoneFrame = _currentZoneFrame.parent; | |
| _currentTask = previousTask; | |
| } | |
| }; | |
| Zone.prototype.scheduleTask = function (task) { | |
| if (task.zone && task.zone !== this) { | |
| // check if the task was rescheduled, the newZone | |
| // should not be the children of the original zone | |
| var newZone = this; | |
| while (newZone) { | |
| if (newZone === task.zone) { | |
| throw Error("can not reschedule task to " + this.name + " which is descendants of the original zone " + task.zone.name); | |
| } | |
| newZone = newZone.parent; | |
| } | |
| } | |
| task._transitionTo(scheduling, notScheduled); | |
| var zoneDelegates = []; | |
| task._zoneDelegates = zoneDelegates; | |
| task._zone = this; | |
| try { | |
| task = this._zoneDelegate.scheduleTask(this, task); | |
| } | |
| catch (err) { | |
| // should set task's state to unknown when scheduleTask throw error | |
| // because the err may from reschedule, so the fromState maybe notScheduled | |
| task._transitionTo(unknown, scheduling, notScheduled); | |
| // TODO: @JiaLiPassion, should we check the result from handleError? | |
| this._zoneDelegate.handleError(this, err); | |
| throw err; | |
| } | |
| if (task._zoneDelegates === zoneDelegates) { | |
| // we have to check because internally the delegate can reschedule the task. | |
| this._updateTaskCount(task, 1); | |
| } | |
| if (task.state == scheduling) { | |
| task._transitionTo(scheduled, scheduling); | |
| } | |
| return task; | |
| }; | |
| Zone.prototype.scheduleMicroTask = function (source, callback, data, customSchedule) { | |
| return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, undefined)); | |
| }; | |
| Zone.prototype.scheduleMacroTask = function (source, callback, data, customSchedule, customCancel) { | |
| return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel)); | |
| }; | |
| Zone.prototype.scheduleEventTask = function (source, callback, data, customSchedule, customCancel) { | |
| return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel)); | |
| }; | |
| Zone.prototype.cancelTask = function (task) { | |
| if (task.zone != this) | |
| throw new Error('A task can only be cancelled in the zone of creation! (Creation: ' + | |
| (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')'); | |
| task._transitionTo(canceling, scheduled, running); | |
| try { | |
| this._zoneDelegate.cancelTask(this, task); | |
| } | |
| catch (err) { | |
| // if error occurs when cancelTask, transit the state to unknown | |
| task._transitionTo(unknown, canceling); | |
| this._zoneDelegate.handleError(this, err); | |
| throw err; | |
| } | |
| this._updateTaskCount(task, -1); | |
| task._transitionTo(notScheduled, canceling); | |
| task.runCount = 0; | |
| return task; | |
| }; | |
| Zone.prototype._updateTaskCount = function (task, count) { | |
| var zoneDelegates = task._zoneDelegates; | |
| if (count == -1) { | |
| task._zoneDelegates = null; | |
| } | |
| for (var i = 0; i < zoneDelegates.length; i++) { | |
| zoneDelegates[i]._updateTaskCount(task.type, count); | |
| } | |
| }; | |
| Zone.__symbol__ = __symbol__; | |
| return Zone; | |
| }()); | |
| var DELEGATE_ZS = { | |
| name: '', | |
| onHasTask: function (delegate, _, target, hasTaskState) { return delegate.hasTask(target, hasTaskState); }, | |
| onScheduleTask: function (delegate, _, target, task) { | |
| return delegate.scheduleTask(target, task); | |
| }, | |
| onInvokeTask: function (delegate, _, target, task, applyThis, applyArgs) { | |
| return delegate.invokeTask(target, task, applyThis, applyArgs); | |
| }, | |
| onCancelTask: function (delegate, _, target, task) { return delegate.cancelTask(target, task); } | |
| }; | |
| var ZoneDelegate = /** @class */ (function () { | |
| function ZoneDelegate(zone, parentDelegate, zoneSpec) { | |
| this._taskCounts = { 'microTask': 0, 'macroTask': 0, 'eventTask': 0 }; | |
| this.zone = zone; | |
| this._parentDelegate = parentDelegate; | |
| this._forkZS = zoneSpec && (zoneSpec && zoneSpec.onFork ? zoneSpec : parentDelegate._forkZS); | |
| this._forkDlgt = zoneSpec && (zoneSpec.onFork ? parentDelegate : parentDelegate._forkDlgt); | |
| this._forkCurrZone = zoneSpec && (zoneSpec.onFork ? this.zone : parentDelegate.zone); | |
| this._interceptZS = | |
| zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS); | |
| this._interceptDlgt = | |
| zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt); | |
| this._interceptCurrZone = | |
| zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate.zone); | |
| this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS); | |
| this._invokeDlgt = | |
| zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt); | |
| this._invokeCurrZone = zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate.zone); | |
| this._handleErrorZS = | |
| zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS); | |
| this._handleErrorDlgt = | |
| zoneSpec && (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt); | |
| this._handleErrorCurrZone = | |
| zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate.zone); | |
| this._scheduleTaskZS = | |
| zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS); | |
| this._scheduleTaskDlgt = zoneSpec && | |
| (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt); | |
| this._scheduleTaskCurrZone = | |
| zoneSpec && (zoneSpec.onScheduleTask ? this.zone : parentDelegate.zone); | |
| this._invokeTaskZS = | |
| zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS); | |
| this._invokeTaskDlgt = | |
| zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt); | |
| this._invokeTaskCurrZone = | |
| zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate.zone); | |
| this._cancelTaskZS = | |
| zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS); | |
| this._cancelTaskDlgt = | |
| zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt); | |
| this._cancelTaskCurrZone = | |
| zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate.zone); | |
| this._hasTaskZS = null; | |
| this._hasTaskDlgt = null; | |
| this._hasTaskDlgtOwner = null; | |
| this._hasTaskCurrZone = null; | |
| var zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask; | |
| var parentHasTask = parentDelegate && parentDelegate._hasTaskZS; | |
| if (zoneSpecHasTask || parentHasTask) { | |
| // If we need to report hasTask, than this ZS needs to do ref counting on tasks. In such | |
| // a case all task related interceptors must go through this ZD. We can't short circuit it. | |
| this._hasTaskZS = zoneSpecHasTask ? zoneSpec : DELEGATE_ZS; | |
| this._hasTaskDlgt = parentDelegate; | |
| this._hasTaskDlgtOwner = this; | |
| this._hasTaskCurrZone = zone; | |
| if (!zoneSpec.onScheduleTask) { | |
| this._scheduleTaskZS = DELEGATE_ZS; | |
| this._scheduleTaskDlgt = parentDelegate; | |
| this._scheduleTaskCurrZone = this.zone; | |
| } | |
| if (!zoneSpec.onInvokeTask) { | |
| this._invokeTaskZS = DELEGATE_ZS; | |
| this._invokeTaskDlgt = parentDelegate; | |
| this._invokeTaskCurrZone = this.zone; | |
| } | |
| if (!zoneSpec.onCancelTask) { | |
| this._cancelTaskZS = DELEGATE_ZS; | |
| this._cancelTaskDlgt = parentDelegate; | |
| this._cancelTaskCurrZone = this.zone; | |
| } | |
| } | |
| } | |
| ZoneDelegate.prototype.fork = function (targetZone, zoneSpec) { | |
| return this._forkZS ? this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) : | |
| new Zone(targetZone, zoneSpec); | |
| }; | |
| ZoneDelegate.prototype.intercept = function (targetZone, callback, source) { | |
| return this._interceptZS ? | |
| this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) : | |
| callback; | |
| }; | |
| ZoneDelegate.prototype.invoke = function (targetZone, callback, applyThis, applyArgs, source) { | |
| return this._invokeZS ? this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) : | |
| callback.apply(applyThis, applyArgs); | |
| }; | |
| ZoneDelegate.prototype.handleError = function (targetZone, error) { | |
| return this._handleErrorZS ? | |
| this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) : | |
| true; | |
| }; | |
| ZoneDelegate.prototype.scheduleTask = function (targetZone, task) { | |
| var returnTask = task; | |
| if (this._scheduleTaskZS) { | |
| if (this._hasTaskZS) { | |
| returnTask._zoneDelegates.push(this._hasTaskDlgtOwner); | |
| } | |
| returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task); | |
| if (!returnTask) | |
| returnTask = task; | |
| } | |
| else { | |
| if (task.scheduleFn) { | |
| task.scheduleFn(task); | |
| } | |
| else if (task.type == microTask) { | |
| scheduleMicroTask(task); | |
| } | |
| else { | |
| throw new Error('Task is missing scheduleFn.'); | |
| } | |
| } | |
| return returnTask; | |
| }; | |
| ZoneDelegate.prototype.invokeTask = function (targetZone, task, applyThis, applyArgs) { | |
| return this._invokeTaskZS ? this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) : | |
| task.callback.apply(applyThis, applyArgs); | |
| }; | |
| ZoneDelegate.prototype.cancelTask = function (targetZone, task) { | |
| var value; | |
| if (this._cancelTaskZS) { | |
| value = this._cancelTaskZS.onCancelTask(this._cancelTaskDlgt, this._cancelTaskCurrZone, targetZone, task); | |
| } | |
| else { | |
| if (!task.cancelFn) { | |
| throw Error('Task is not cancelable'); | |
| } | |
| value = task.cancelFn(task); | |
| } | |
| return value; | |
| }; | |
| ZoneDelegate.prototype.hasTask = function (targetZone, isEmpty) { | |
| // hasTask should not throw error so other ZoneDelegate | |
| // can still trigger hasTask callback | |
| try { | |
| this._hasTaskZS && | |
| this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty); | |
| } | |
| catch (err) { | |
| this.handleError(targetZone, err); | |
| } | |
| }; | |
| ZoneDelegate.prototype._updateTaskCount = function (type, count) { | |
| var counts = this._taskCounts; | |
| var prev = counts[type]; | |
| var next = counts[type] = prev + count; | |
| if (next < 0) { | |
| throw new Error('More tasks executed then were scheduled.'); | |
| } | |
| if (prev == 0 || next == 0) { | |
| var isEmpty = { | |
| microTask: counts['microTask'] > 0, | |
| macroTask: counts['macroTask'] > 0, | |
| eventTask: counts['eventTask'] > 0, | |
| change: type | |
| }; | |
| this.hasTask(this.zone, isEmpty); | |
| } | |
| }; | |
| return ZoneDelegate; | |
| }()); | |
| var ZoneTask = /** @class */ (function () { | |
| function ZoneTask(type, source, callback, options, scheduleFn, cancelFn) { | |
| this._zone = null; | |
| this.runCount = 0; | |
| this._zoneDelegates = null; | |
| this._state = 'notScheduled'; | |
| this.type = type; | |
| this.source = source; | |
| this.data = options; | |
| this.scheduleFn = scheduleFn; | |
| this.cancelFn = cancelFn; | |
| this.callback = callback; | |
| var self = this; | |
| // TODO: @JiaLiPassion options should have interface | |
| if (type === eventTask && options && options.useG) { | |
| this.invoke = ZoneTask.invokeTask; | |
| } | |
| else { | |
| this.invoke = function () { | |
| return ZoneTask.invokeTask.call(global, self, this, arguments); | |
| }; | |
| } | |
| } | |
| ZoneTask.invokeTask = function (task, target, args) { | |
| if (!task) { | |
| task = this; | |
| } | |
| _numberOfNestedTaskFrames++; | |
| try { | |
| task.runCount++; | |
| return task.zone.runTask(task, target, args); | |
| } | |
| finally { | |
| if (_numberOfNestedTaskFrames == 1) { | |
| drainMicroTaskQueue(); | |
| } | |
| _numberOfNestedTaskFrames--; | |
| } | |
| }; | |
| Object.defineProperty(ZoneTask.prototype, "zone", { | |
| get: function () { | |
| return this._zone; | |
| }, | |
| enumerable: true, | |
| configurable: true | |
| }); | |
| Object.defineProperty(ZoneTask.prototype, "state", { | |
| get: function () { | |
| return this._state; | |
| }, | |
| enumerable: true, | |
| configurable: true | |
| }); | |
| ZoneTask.prototype.cancelScheduleRequest = function () { | |
| this._transitionTo(notScheduled, scheduling); | |
| }; | |
| ZoneTask.prototype._transitionTo = function (toState, fromState1, fromState2) { | |
| if (this._state === fromState1 || this._state === fromState2) { | |
| this._state = toState; | |
| if (toState == notScheduled) { | |
| this._zoneDelegates = null; | |
| } | |
| } | |
| else { | |
| throw new Error(this.type + " '" + this.source + "': can not transition to '" + toState + "', expecting state '" + fromState1 + "'" + (fromState2 ? ' or \'' + fromState2 + '\'' : '') + ", was '" + this._state + "'."); | |
| } | |
| }; | |
| ZoneTask.prototype.toString = function () { | |
| if (this.data && typeof this.data.handleId !== 'undefined') { | |
| return this.data.handleId; | |
| } | |
| else { | |
| return Object.prototype.toString.call(this); | |
| } | |
| }; | |
| // add toJSON method to prevent cyclic error when | |
| // call JSON.stringify(zoneTask) | |
| ZoneTask.prototype.toJSON = function () { | |
| return { | |
| type: this.type, | |
| state: this.state, | |
| source: this.source, | |
| zone: this.zone.name, | |
| runCount: this.runCount | |
| }; | |
| }; | |
| return ZoneTask; | |
| }()); | |
| ////////////////////////////////////////////////////// | |
| ////////////////////////////////////////////////////// | |
| /// MICROTASK QUEUE | |
| ////////////////////////////////////////////////////// | |
| ////////////////////////////////////////////////////// | |
| var symbolSetTimeout = __symbol__('setTimeout'); | |
| var symbolPromise = __symbol__('Promise'); | |
| var symbolThen = __symbol__('then'); | |
| var _microTaskQueue = []; | |
| var _isDrainingMicrotaskQueue = false; | |
| var nativeMicroTaskQueuePromise; | |
| function scheduleMicroTask(task) { | |
| // if we are not running in any task, and there has not been anything scheduled | |
| // we must bootstrap the initial task creation by manually scheduling the drain | |
| if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) { | |
| // We are not running in Task, so we need to kickstart the microtask queue. | |
| if (!nativeMicroTaskQueuePromise) { | |
| if (global[symbolPromise]) { | |
| nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0); | |
| } | |
| } | |
| if (nativeMicroTaskQueuePromise) { | |
| var nativeThen = nativeMicroTaskQueuePromise[symbolThen]; | |
| if (!nativeThen) { | |
| // native Promise is not patchable, we need to use `then` directly | |
| // issue 1078 | |
| nativeThen = nativeMicroTaskQueuePromise['then']; | |
| } | |
| nativeThen.call(nativeMicroTaskQueuePromise, drainMicroTaskQueue); | |
| } | |
| else { | |
| global[symbolSetTimeout](drainMicroTaskQueue, 0); | |
| } | |
| } | |
| task && _microTaskQueue.push(task); | |
| } | |
| function drainMicroTaskQueue() { | |
| if (!_isDrainingMicrotaskQueue) { | |
| _isDrainingMicrotaskQueue = true; | |
| while (_microTaskQueue.length) { | |
| var queue = _microTaskQueue; | |
| _microTaskQueue = []; | |
| for (var i = 0; i < queue.length; i++) { | |
| var task = queue[i]; | |
| try { | |
| task.zone.runTask(task, null, null); | |
| } | |
| catch (error) { | |
| _api.onUnhandledError(error); | |
| } | |
| } | |
| } | |
| _api.microtaskDrainDone(); | |
| _isDrainingMicrotaskQueue = false; | |
| } | |
| } | |
| ////////////////////////////////////////////////////// | |
| ////////////////////////////////////////////////////// | |
| /// BOOTSTRAP | |
| ////////////////////////////////////////////////////// | |
| ////////////////////////////////////////////////////// | |
| var NO_ZONE = { name: 'NO ZONE' }; | |
| var notScheduled = 'notScheduled', scheduling = 'scheduling', scheduled = 'scheduled', running = 'running', canceling = 'canceling', unknown = 'unknown'; | |
| var microTask = 'microTask', macroTask = 'macroTask', eventTask = 'eventTask'; | |
| var patches = {}; | |
| var _api = { | |
| symbol: __symbol__, | |
| currentZoneFrame: function () { return _currentZoneFrame; }, | |
| onUnhandledError: noop, | |
| microtaskDrainDone: noop, | |
| scheduleMicroTask: scheduleMicroTask, | |
| showUncaughtError: function () { return !Zone[__symbol__('ignoreConsoleErrorUncaughtError')]; }, | |
| patchEventTarget: function () { return []; }, | |
| patchOnProperties: noop, | |
| patchMethod: function () { return noop; }, | |
| bindArguments: function () { return []; }, | |
| patchThen: function () { return noop; }, | |
| setNativePromise: function (NativePromise) { | |
| // sometimes NativePromise.resolve static function | |
| // is not ready yet, (such as core-js/es6.promise) | |
| // so we need to check here. | |
| if (NativePromise && typeof NativePromise.resolve === 'function') { | |
| nativeMicroTaskQueuePromise = NativePromise.resolve(0); | |
| } | |
| }, | |
| }; | |
| var _currentZoneFrame = { parent: null, zone: new Zone(null, null) }; | |
| var _currentTask = null; | |
| var _numberOfNestedTaskFrames = 0; | |
| function noop() { } | |
| function __symbol__(name) { | |
| return '__zone_symbol__' + name; | |
| } | |
| performanceMeasure('Zone', 'Zone'); | |
| return global['Zone'] = Zone; | |
| })(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global); | |
| Zone.__load_patch('ZoneAwarePromise', function (global, Zone, api) { | |
| var ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; | |
| var ObjectDefineProperty = Object.defineProperty; | |
| function readableObjectToString(obj) { | |
| if (obj && obj.toString === Object.prototype.toString) { | |
| var className = obj.constructor && obj.constructor.name; | |
| return (className ? className : '') + ': ' + JSON.stringify(obj); | |
| } | |
| return obj ? obj.toString() : Object.prototype.toString.call(obj); | |
| } | |
| var __symbol__ = api.symbol; | |
| var _uncaughtPromiseErrors = []; | |
| var symbolPromise = __symbol__('Promise'); | |
| var symbolThen = __symbol__('then'); | |
| var creationTrace = '__creationTrace__'; | |
| api.onUnhandledError = function (e) { | |
| if (api.showUncaughtError()) { | |
| var rejection = e && e.rejection; | |
| if (rejection) { | |
| console.error('Unhandled Promise rejection:', rejection instanceof Error ? rejection.message : rejection, '; Zone:', e.zone.name, '; Task:', e.task && e.task.source, '; Value:', rejection, rejection instanceof Error ? rejection.stack : undefined); | |
| } | |
| else { | |
| console.error(e); | |
| } | |
| } | |
| }; | |
| api.microtaskDrainDone = function () { | |
| while (_uncaughtPromiseErrors.length) { | |
| var _loop_1 = function () { | |
| var uncaughtPromiseError = _uncaughtPromiseErrors.shift(); | |
| try { | |
| uncaughtPromiseError.zone.runGuarded(function () { | |
| throw uncaughtPromiseError; | |
| }); | |
| } | |
| catch (error) { | |
| handleUnhandledRejection(error); | |
| } | |
| }; | |
| while (_uncaughtPromiseErrors.length) { | |
| _loop_1(); | |
| } | |
| } | |
| }; | |
| var UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL = __symbol__('unhandledPromiseRejectionHandler'); | |
| function handleUnhandledRejection(e) { | |
| api.onUnhandledError(e); | |
| try { | |
| var handler = Zone[UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL]; | |
| if (handler && typeof handler === 'function') { | |
| handler.call(this, e); | |
| } | |
| } | |
| catch (err) { | |
| } | |
| } | |
| function isThenable(value) { | |
| return value && value.then; | |
| } | |
| function forwardResolution(value) { | |
| return value; | |
| } | |
| function forwardRejection(rejection) { | |
| return ZoneAwarePromise.reject(rejection); | |
| } | |
| var symbolState = __symbol__('state'); | |
| var symbolValue = __symbol__('value'); | |
| var symbolFinally = __symbol__('finally'); | |
| var symbolParentPromiseValue = __symbol__('parentPromiseValue'); | |
| var symbolParentPromiseState = __symbol__('parentPromiseState'); | |
| var source = 'Promise.then'; | |
| var UNRESOLVED = null; | |
| var RESOLVED = true; | |
| var REJECTED = false; | |
| var REJECTED_NO_CATCH = 0; | |
| function makeResolver(promise, state) { | |
| return function (v) { | |
| try { | |
| resolvePromise(promise, state, v); | |
| } | |
| catch (err) { | |
| resolvePromise(promise, false, err); | |
| } | |
| // Do not return value or you will break the Promise spec. | |
| }; | |
| } | |
| var once = function () { | |
| var wasCalled = false; | |
| return function wrapper(wrappedFunction) { | |
| return function () { | |
| if (wasCalled) { | |
| return; | |
| } | |
| wasCalled = true; | |
| wrappedFunction.apply(null, arguments); | |
| }; | |
| }; | |
| }; | |
| var TYPE_ERROR = 'Promise resolved with itself'; | |
| var CURRENT_TASK_TRACE_SYMBOL = __symbol__('currentTaskTrace'); | |
| // Promise Resolution | |
| function resolvePromise(promise, state, value) { | |
| var onceWrapper = once(); | |
| if (promise === value) { | |
| throw new TypeError(TYPE_ERROR); | |
| } | |
| if (promise[symbolState] === UNRESOLVED) { | |
| // should only get value.then once based on promise spec. | |
| var then = null; | |
| try { | |
| if (typeof value === 'object' || typeof value === 'function') { | |
| then = value && value.then; | |
| } | |
| } | |
| catch (err) { | |
| onceWrapper(function () { | |
| resolvePromise(promise, false, err); | |
| })(); | |
| return promise; | |
| } | |
| // if (value instanceof ZoneAwarePromise) { | |
| if (state !== REJECTED && value instanceof ZoneAwarePromise && | |
| value.hasOwnProperty(symbolState) && value.hasOwnProperty(symbolValue) && | |
| value[symbolState] !== UNRESOLVED) { | |
| clearRejectedNoCatch(value); | |
| resolvePromise(promise, value[symbolState], value[symbolValue]); | |
| } | |
| else if (state !== REJECTED && typeof then === 'function') { | |
| try { | |
| then.call(value, onceWrapper(makeResolver(promise, state)), onceWrapper(makeResolver(promise, false))); | |
| } | |
| catch (err) { | |
| onceWrapper(function () { | |
| resolvePromise(promise, false, err); | |
| })(); | |
| } | |
| } | |
| else { | |
| promise[symbolState] = state; | |
| var queue = promise[symbolValue]; | |
| promise[symbolValue] = value; | |
| if (promise[symbolFinally] === symbolFinally) { | |
| // the promise is generated by Promise.prototype.finally | |
| if (state === RESOLVED) { | |
| // the state is resolved, should ignore the value | |
| // and use parent promise value | |
| promise[symbolState] = promise[symbolParentPromiseState]; | |
| promise[symbolValue] = promise[symbolParentPromiseValue]; | |
| } | |
| } | |
| // record task information in value when error occurs, so we can | |
| // do some additional work such as render longStackTrace | |
| if (state === REJECTED && value instanceof Error) { | |
| // check if longStackTraceZone is here | |
| var trace = Zone.currentTask && Zone.currentTask.data && | |
| Zone.currentTask.data[creationTrace]; | |
| if (trace) { | |
| // only keep the long stack trace into error when in longStackTraceZone | |
| ObjectDefineProperty(value, CURRENT_TASK_TRACE_SYMBOL, { configurable: true, enumerable: false, writable: true, value: trace }); | |
| } | |
| } | |
| for (var i = 0; i < queue.length;) { | |
| scheduleResolveOrReject(promise, queue[i++], queue[i++], queue[i++], queue[i++]); | |
| } | |
| if (queue.length == 0 && state == REJECTED) { | |
| promise[symbolState] = REJECTED_NO_CATCH; | |
| try { | |
| // try to print more readable error log | |
| throw new Error('Uncaught (in promise): ' + readableObjectToString(value) + | |
| (value && value.stack ? '\n' + value.stack : '')); | |
| } | |
| catch (err) { | |
| var error_1 = err; | |
| error_1.rejection = value; | |
| error_1.promise = promise; | |
| error_1.zone = Zone.current; | |
| error_1.task = Zone.currentTask; | |
| _uncaughtPromiseErrors.push(error_1); | |
| api.scheduleMicroTask(); // to make sure that it is running | |
| } | |
| } | |
| } | |
| } | |
| // Resolving an already resolved promise is a noop. | |
| return promise; | |
| } | |
| var REJECTION_HANDLED_HANDLER = __symbol__('rejectionHandledHandler'); | |
| function clearRejectedNoCatch(promise) { | |
| if (promise[symbolState] === REJECTED_NO_CATCH) { | |
| // if the promise is rejected no catch status | |
| // and queue.length > 0, means there is a error handler | |
| // here to handle the rejected promise, we should trigger | |
| // windows.rejectionhandled eventHandler or nodejs rejectionHandled | |
| // eventHandler | |
| try { | |
| var handler = Zone[REJECTION_HANDLED_HANDLER]; | |
| if (handler && typeof handler === 'function') { | |
| handler.call(this, { rejection: promise[symbolValue], promise: promise }); | |
| } | |
| } | |
| catch (err) { | |
| } | |
| promise[symbolState] = REJECTED; | |
| for (var i = 0; i < _uncaughtPromiseErrors.length; i++) { | |
| if (promise === _uncaughtPromiseErrors[i].promise) { | |
| _uncaughtPromiseErrors.splice(i, 1); | |
| } | |
| } | |
| } | |
| } | |
| function scheduleResolveOrReject(promise, zone, chainPromise, onFulfilled, onRejected) { | |
| clearRejectedNoCatch(promise); | |
| var promiseState = promise[symbolState]; | |
| var delegate = promiseState ? | |
| (typeof onFulfilled === 'function') ? onFulfilled : forwardResolution : | |
| (typeof onRejected === 'function') ? onRejected : forwardRejection; | |
| zone.scheduleMicroTask(source, function () { | |
| try { | |
| var parentPromiseValue = promise[symbolValue]; | |
| var isFinallyPromise = chainPromise && symbolFinally === chainPromise[symbolFinally]; | |
| if (isFinallyPromise) { | |
| // if the promise is generated from finally call, keep parent promise's state and value | |
| chainPromise[symbolParentPromiseValue] = parentPromiseValue; | |
| chainPromise[symbolParentPromiseState] = promiseState; | |
| } | |
| // should not pass value to finally callback | |
| var value = zone.run(delegate, undefined, isFinallyPromise && delegate !== forwardRejection && delegate !== forwardResolution ? | |
| [] : | |
| [parentPromiseValue]); | |
| resolvePromise(chainPromise, true, value); | |
| } | |
| catch (error) { | |
| // if error occurs, should always return this error | |
| resolvePromise(chainPromise, false, error); | |
| } | |
| }, chainPromise); | |
| } | |
| var ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }'; | |
| var ZoneAwarePromise = /** @class */ (function () { | |
| function ZoneAwarePromise(executor) { | |
| var promise = this; | |
| if (!(promise instanceof ZoneAwarePromise)) { | |
| throw new Error('Must be an instanceof Promise.'); | |
| } | |
| promise[symbolState] = UNRESOLVED; | |
| promise[symbolValue] = []; // queue; | |
| try { | |
| executor && executor(makeResolver(promise, RESOLVED), makeResolver(promise, REJECTED)); | |
| } | |
| catch (error) { | |
| resolvePromise(promise, false, error); | |
| } | |
| } | |
| ZoneAwarePromise.toString = function () { | |
| return ZONE_AWARE_PROMISE_TO_STRING; | |
| }; | |
| ZoneAwarePromise.resolve = function (value) { | |
| return resolvePromise(new this(null), RESOLVED, value); | |
| }; | |
| ZoneAwarePromise.reject = function (error) { | |
| return resolvePromise(new this(null), REJECTED, error); | |
| }; | |
| ZoneAwarePromise.race = function (values) { | |
| var resolve; | |
| var reject; | |
| var promise = new this(function (res, rej) { | |
| resolve = res; | |
| reject = rej; | |
| }); | |
| function onResolve(value) { | |
| promise && (promise = null || resolve(value)); | |
| } | |
| function onReject(error) { | |
| promise && (promise = null || reject(error)); | |
| } | |
| for (var _i = 0, values_1 = values; _i < values_1.length; _i++) { | |
| var value = values_1[_i]; | |
| if (!isThenable(value)) { | |
| value = this.resolve(value); | |
| } | |
| value.then(onResolve, onReject); | |
| } | |
| return promise; | |
| }; | |
| ZoneAwarePromise.all = function (values) { | |
| var resolve; | |
| var reject; | |
| var promise = new this(function (res, rej) { | |
| resolve = res; | |
| reject = rej; | |
| }); | |
| var count = 0; | |
| var resolvedValues = []; | |
| for (var _i = 0, values_2 = values; _i < values_2.length; _i++) { | |
| var value = values_2[_i]; | |
| if (!isThenable(value)) { | |
| value = this.resolve(value); | |
| } | |
| value.then((function (index) { return function (value) { | |
| resolvedValues[index] = value; | |
| count--; | |
| if (!count) { | |
| resolve(resolvedValues); | |
| } | |
| }; })(count), reject); | |
| count++; | |
| } | |
| if (!count) | |
| resolve(resolvedValues); | |
| return promise; | |
| }; | |
| ZoneAwarePromise.prototype.then = function (onFulfilled, onRejected) { | |
| var chainPromise = new this.constructor(null); | |
| var zone = Zone.current; | |
| if (this[symbolState] == UNRESOLVED) { | |
| this[symbolValue].push(zone, chainPromise, onFulfilled, onRejected); | |
| } | |
| else { | |
| scheduleResolveOrReject(this, zone, chainPromise, onFulfilled, onRejected); | |
| } | |
| return chainPromise; | |
| }; | |
| ZoneAwarePromise.prototype.catch = function (onRejected) { | |
| return this.then(null, onRejected); | |
| }; | |
| ZoneAwarePromise.prototype.finally = function (onFinally) { | |
| var chainPromise = new this.constructor(null); | |
| chainPromise[symbolFinally] = symbolFinally; | |
| var zone = Zone.current; | |
| if (this[symbolState] == UNRESOLVED) { | |
| this[symbolValue].push(zone, chainPromise, onFinally, onFinally); | |
| } | |
| else { | |
| scheduleResolveOrReject(this, zone, chainPromise, onFinally, onFinally); | |
| } | |
| return chainPromise; | |
| }; | |
| return ZoneAwarePromise; | |
| }()); | |
| // Protect against aggressive optimizers dropping seemingly unused properties. | |
| // E.g. Closure Compiler in advanced mode. | |
| ZoneAwarePromise['resolve'] = ZoneAwarePromise.resolve; | |
| ZoneAwarePromise['reject'] = ZoneAwarePromise.reject; | |
| ZoneAwarePromise['race'] = ZoneAwarePromise.race; | |
| ZoneAwarePromise['all'] = ZoneAwarePromise.all; | |
| var NativePromise = global[symbolPromise] = global['Promise']; | |
| var ZONE_AWARE_PROMISE = Zone.__symbol__('ZoneAwarePromise'); | |
| var desc = ObjectGetOwnPropertyDescriptor(global, 'Promise'); | |
| if (!desc || desc.configurable) { | |
| desc && delete desc.writable; | |
| desc && delete desc.value; | |
| if (!desc) { | |
| desc = { configurable: true, enumerable: true }; | |
| } | |
| desc.get = function () { | |
| // if we already set ZoneAwarePromise, use patched one | |
| // otherwise return native one. | |
| return global[ZONE_AWARE_PROMISE] ? global[ZONE_AWARE_PROMISE] : global[symbolPromise]; | |
| }; | |
| desc.set = function (NewNativePromise) { | |
| if (NewNativePromise === ZoneAwarePromise) { | |
| // if the NewNativePromise is ZoneAwarePromise | |
| // save to global | |
| global[ZONE_AWARE_PROMISE] = NewNativePromise; | |
| } | |
| else { | |
| // if the NewNativePromise is not ZoneAwarePromise | |
| // for example: after load zone.js, some library just | |
| // set es6-promise to global, if we set it to global | |
| // directly, assertZonePatched will fail and angular | |
| // will not loaded, so we just set the NewNativePromise | |
| // to global[symbolPromise], so the result is just like | |
| // we load ES6 Promise before zone.js | |
| global[symbolPromise] = NewNativePromise; | |
| if (!NewNativePromise.prototype[symbolThen]) { | |
| patchThen(NewNativePromise); | |
| } | |
| api.setNativePromise(NewNativePromise); | |
| } | |
| }; | |
| ObjectDefineProperty(global, 'Promise', desc); | |
| } | |
| global['Promise'] = ZoneAwarePromise; | |
| var symbolThenPatched = __symbol__('thenPatched'); | |
| function patchThen(Ctor) { | |
| var proto = Ctor.prototype; | |
| var prop = ObjectGetOwnPropertyDescriptor(proto, 'then'); | |
| if (prop && (prop.writable === false || !prop.configurable)) { | |
| // check Ctor.prototype.then propertyDescriptor is writable or not | |
| // in meteor env, writable is false, we should ignore such case | |
| return; | |
| } | |
| var originalThen = proto.then; | |
| // Keep a reference to the original method. | |
| proto[symbolThen] = originalThen; | |
| Ctor.prototype.then = function (onResolve, onReject) { | |
| var _this = this; | |
| var wrapped = new ZoneAwarePromise(function (resolve, reject) { | |
| originalThen.call(_this, resolve, reject); | |
| }); | |
| return wrapped.then(onResolve, onReject); | |
| }; | |
| Ctor[symbolThenPatched] = true; | |
| } | |
| api.patchThen = patchThen; | |
| if (NativePromise) { | |
| patchThen(NativePromise); | |
| } | |
| // This is not part of public API, but it is useful for tests, so we expose it. | |
| Promise[Zone.__symbol__('uncaughtPromiseErrors')] = _uncaughtPromiseErrors; | |
| return ZoneAwarePromise; | |
| }); | |
| /** | |
| * @license | |
| * Copyright Google Inc. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by an MIT-style license that can be | |
| * found in the LICENSE file at https://angular.io/license | |
| */ | |
| Zone.__load_patch('fetch', function (global, Zone, api) { | |
| var fetch = global['fetch']; | |
| var ZoneAwarePromise = global.Promise; | |
| var symbolThenPatched = api.symbol('thenPatched'); | |
| var fetchTaskScheduling = api.symbol('fetchTaskScheduling'); | |
| var fetchTaskAborting = api.symbol('fetchTaskAborting'); | |
| if (typeof fetch !== 'function') { | |
| return; | |
| } | |
| var OriginalAbortController = global['AbortController']; | |
| var supportAbort = typeof OriginalAbortController === 'function'; | |
| var abortNative = null; | |
| if (supportAbort) { | |
| global['AbortController'] = function () { | |
| var abortController = new OriginalAbortController(); | |
| var signal = abortController.signal; | |
| signal.abortController = abortController; | |
| return abortController; | |
| }; | |
| abortNative = api.patchMethod(OriginalAbortController.prototype, 'abort', function (delegate) { return function (self, args) { | |
| if (self.task) { | |
| return self.task.zone.cancelTask(self.task); | |
| } | |
| return delegate.apply(self, args); | |
| }; }); | |
| } | |
| var placeholder = function () { }; | |
| global['fetch'] = function () { | |
| var _this = this; | |
| var args = Array.prototype.slice.call(arguments); | |
| var options = args.length > 1 ? args[1] : null; | |
| var signal = options && options.signal; | |
| return new Promise(function (res, rej) { | |
| var task = Zone.current.scheduleMacroTask('fetch', placeholder, args, function () { | |
| var fetchPromise; | |
| var zone = Zone.current; | |
| try { | |
| zone[fetchTaskScheduling] = true; | |
| fetchPromise = fetch.apply(_this, args); | |
| } | |
| catch (error) { | |
| rej(error); | |
| return; | |
| } | |
| finally { | |
| zone[fetchTaskScheduling] = false; | |
| } | |
| if (!(fetchPromise instanceof ZoneAwarePromise)) { | |
| var ctor = fetchPromise.constructor; | |
| if (!ctor[symbolThenPatched]) { | |
| api.patchThen(ctor); | |
| } | |
| } | |
| fetchPromise.then(function (resource) { | |
| if (task.state !== 'notScheduled') { | |
| task.invoke(); | |
| } | |
| res(resource); | |
| }, function (error) { | |
| if (task.state !== 'notScheduled') { | |
| task.invoke(); | |
| } | |
| rej(error); | |
| }); | |
| }, function () { | |
| if (!supportAbort) { | |
| rej('No AbortController supported, can not cancel fetch'); | |
| return; | |
| } | |
| if (signal && signal.abortController && !signal.aborted && | |
| typeof signal.abortController.abort === 'function' && abortNative) { | |
| try { | |
| Zone.current[fetchTaskAborting] = true; | |
| abortNative.call(signal.abortController); | |
| } | |
| finally { | |
| Zone.current[fetchTaskAborting] = false; | |
| } | |
| } | |
| else { | |
| rej('cancel fetch need a AbortController.signal'); | |
| } | |
| }); | |
| if (signal && signal.abortController) { | |
| signal.abortController.task = task; | |
| } | |
| }); | |
| }; | |
| }); | |
| /** | |
| * @license | |
| * Copyright Google Inc. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by an MIT-style license that can be | |
| * found in the LICENSE file at https://angular.io/license | |
| */ | |
| /** | |
| * Suppress closure compiler errors about unknown 'Zone' variable | |
| * @fileoverview | |
| * @suppress {undefinedVars,globalThis,missingRequire} | |
| */ | |
| // issue #989, to reduce bundle size, use short name | |
| /** Object.getOwnPropertyDescriptor */ | |
| var ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; | |
| /** Object.defineProperty */ | |
| var ObjectDefineProperty = Object.defineProperty; | |
| /** Object.getPrototypeOf */ | |
| var ObjectGetPrototypeOf = Object.getPrototypeOf; | |
| /** Object.create */ | |
| var ObjectCreate = Object.create; | |
| /** Array.prototype.slice */ | |
| var ArraySlice = Array.prototype.slice; | |
| /** addEventListener string const */ | |
| var ADD_EVENT_LISTENER_STR = 'addEventListener'; | |
| /** removeEventListener string const */ | |
| var REMOVE_EVENT_LISTENER_STR = 'removeEventListener'; | |
| /** zoneSymbol addEventListener */ | |
| var ZONE_SYMBOL_ADD_EVENT_LISTENER = Zone.__symbol__(ADD_EVENT_LISTENER_STR); | |
| /** zoneSymbol removeEventListener */ | |
| var ZONE_SYMBOL_REMOVE_EVENT_LISTENER = Zone.__symbol__(REMOVE_EVENT_LISTENER_STR); | |
| /** true string const */ | |
| var TRUE_STR = 'true'; | |
| /** false string const */ | |
| var FALSE_STR = 'false'; | |
| /** __zone_symbol__ string const */ | |
| var ZONE_SYMBOL_PREFIX = '__zone_symbol__'; | |
| function wrapWithCurrentZone(callback, source) { | |
| return Zone.current.wrap(callback, source); | |
| } | |
| function scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) { | |
| return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel); | |
| } | |
| var zoneSymbol = Zone.__symbol__; | |
| var isWindowExists = typeof window !== 'undefined'; | |
| var internalWindow = isWindowExists ? window : undefined; | |
| var _global = isWindowExists && internalWindow || typeof self === 'object' && self || global; | |
| var REMOVE_ATTRIBUTE = 'removeAttribute'; | |
| var NULL_ON_PROP_VALUE = [null]; | |
| function bindArguments(args, source) { | |
| for (var i = args.length - 1; i >= 0; i--) { | |
| if (typeof args[i] === 'function') { | |
| args[i] = wrapWithCurrentZone(args[i], source + '_' + i); | |
| } | |
| } | |
| return args; | |
| } | |
| function patchPrototype(prototype, fnNames) { | |
| var source = prototype.constructor['name']; | |
| var _loop_1 = function (i) { | |
| var name_1 = fnNames[i]; | |
| var delegate = prototype[name_1]; | |
| if (delegate) { | |
| var prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, name_1); | |
| if (!isPropertyWritable(prototypeDesc)) { | |
| return "continue"; | |
| } | |
| prototype[name_1] = (function (delegate) { | |
| var patched = function () { | |
| return delegate.apply(this, bindArguments(arguments, source + '.' + name_1)); | |
| }; | |
| attachOriginToPatched(patched, delegate); | |
| return patched; | |
| })(delegate); | |
| } | |
| }; | |
| for (var i = 0; i < fnNames.length; i++) { | |
| _loop_1(i); | |
| } | |
| } | |
| function isPropertyWritable(propertyDesc) { | |
| if (!propertyDesc) { | |
| return true; | |
| } | |
| if (propertyDesc.writable === false) { | |
| return false; | |
| } | |
| return !(typeof propertyDesc.get === 'function' && typeof propertyDesc.set === 'undefined'); | |
| } | |
| var isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope); | |
| // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify | |
| // this code. | |
| var isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' && | |
| {}.toString.call(_global.process) === '[object process]'); | |
| var isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']); | |
| // we are in electron of nw, so we are both browser and nodejs | |
| // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify | |
| // this code. | |
| var isMix = typeof _global.process !== 'undefined' && | |
| {}.toString.call(_global.process) === '[object process]' && !isWebWorker && | |
| !!(isWindowExists && internalWindow['HTMLElement']); | |
| var zoneSymbolEventNames = {}; | |
| var wrapFn = function (event) { | |
| // https://github.com/angular/zone.js/issues/911, in IE, sometimes | |
| // event will be undefined, so we need to use window.event | |
| event = event || _global.event; | |
| if (!event) { | |
| return; | |
| } | |
| var eventNameSymbol = zoneSymbolEventNames[event.type]; | |
| if (!eventNameSymbol) { | |
| eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol('ON_PROPERTY' + event.type); | |
| } | |
| var target = this || event.target || _global; | |
| var listener = target[eventNameSymbol]; | |
| var result; | |
| if (isBrowser && target === internalWindow && event.type === 'error') { | |
| // window.onerror have different signiture | |
| // https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onerror#window.onerror | |
| // and onerror callback will prevent default when callback return true | |
| var errorEvent = event; | |
| result = listener && | |
| listener.call(this, errorEvent.message, errorEvent.filename, errorEvent.lineno, errorEvent.colno, errorEvent.error); | |
| if (result === true) { | |
| event.preventDefault(); | |
| } | |
| } | |
| else { | |
| result = listener && listener.apply(this, arguments); | |
| if (result != undefined && !result) { | |
| event.preventDefault(); | |
| } | |
| } | |
| return result; | |
| }; | |
| function patchProperty(obj, prop, prototype) { | |
| var desc = ObjectGetOwnPropertyDescriptor(obj, prop); | |
| if (!desc && prototype) { | |
| // when patch window object, use prototype to check prop exist or not | |
| var prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop); | |
| if (prototypeDesc) { | |
| desc = { enumerable: true, configurable: true }; | |
| } | |
| } | |
| // if the descriptor not exists or is not configurable | |
| // just return | |
| if (!desc || !desc.configurable) { | |
| return; | |
| } | |
| var onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched'); | |
| if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) { | |
| return; | |
| } | |
| // A property descriptor cannot have getter/setter and be writable | |
| // deleting the writable and value properties avoids this error: | |
| // | |
| // TypeError: property descriptors must not specify a value or be writable when a | |
| // getter or setter has been specified | |
| delete desc.writable; | |
| delete desc.value; | |
| var originalDescGet = desc.get; | |
| var originalDescSet = desc.set; | |
| // substr(2) cuz 'onclick' -> 'click', etc | |
| var eventName = prop.substr(2); | |
| var eventNameSymbol = zoneSymbolEventNames[eventName]; | |
| if (!eventNameSymbol) { | |
| eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol('ON_PROPERTY' + eventName); | |
| } | |
| desc.set = function (newValue) { | |
| // in some of windows's onproperty callback, this is undefined | |
| // so we need to check it | |
| var target = this; | |
| if (!target && obj === _global) { | |
| target = _global; | |
| } | |
| if (!target) { | |
| return; | |
| } | |
| var previousValue = target[eventNameSymbol]; | |
| if (previousValue) { | |
| target.removeEventListener(eventName, wrapFn); | |
| } | |
| // issue #978, when onload handler was added before loading zone.js | |
| // we should remove it with originalDescSet | |
| if (originalDescSet) { | |
| originalDescSet.apply(target, NULL_ON_PROP_VALUE); | |
| } | |
| if (typeof newValue === 'function') { | |
| target[eventNameSymbol] = newValue; | |
| target.addEventListener(eventName, wrapFn, false); | |
| } | |
| else { | |
| target[eventNameSymbol] = null; | |
| } | |
| }; | |
| // The getter would return undefined for unassigned properties but the default value of an | |
| // unassigned property is null | |
| desc.get = function () { | |
| // in some of windows's onproperty callback, this is undefined | |
| // so we need to check it | |
| var target = this; | |
| if (!target && obj === _global) { | |
| target = _global; | |
| } | |
| if (!target) { | |
| return null; | |
| } | |
| var listener = target[eventNameSymbol]; | |
| if (listener) { | |
| return listener; | |
| } | |
| else if (originalDescGet) { | |
| // result will be null when use inline event attribute, | |
| // such as <button onclick="func();">OK</button> | |
| // because the onclick function is internal raw uncompiled handler | |
| // the onclick will be evaluated when first time event was triggered or | |
| // the property is accessed, https://github.com/angular/zone.js/issues/525 | |
| // so we should use original native get to retrieve the handler | |
| var value = originalDescGet && originalDescGet.call(this); | |
| if (value) { | |
| desc.set.call(this, value); | |
| if (typeof target[REMOVE_ATTRIBUTE] === 'function') { | |
| target.removeAttribute(prop); | |
| } | |
| return value; | |
| } | |
| } | |
| return null; | |
| }; | |
| ObjectDefineProperty(obj, prop, desc); | |
| obj[onPropPatchedSymbol] = true; | |
| } | |
| function patchOnProperties(obj, properties, prototype) { | |
| if (properties) { | |
| for (var i = 0; i < properties.length; i++) { | |
| patchProperty(obj, 'on' + properties[i], prototype); | |
| } | |
| } | |
| else { | |
| var onProperties = []; | |
| for (var prop in obj) { | |
| if (prop.substr(0, 2) == 'on') { | |
| onProperties.push(prop); | |
| } | |
| } | |
| for (var j = 0; j < onProperties.length; j++) { | |
| patchProperty(obj, onProperties[j], prototype); | |
| } | |
| } | |
| } | |
| var originalInstanceKey = zoneSymbol('originalInstance'); | |
| // wrap some native API on `window` | |
| function patchClass(className) { | |
| var OriginalClass = _global[className]; | |
| if (!OriginalClass) | |
| return; | |
| // keep original class in global | |
| _global[zoneSymbol(className)] = OriginalClass; | |
| _global[className] = function () { | |
| var a = bindArguments(arguments, className); | |
| switch (a.length) { | |
| case 0: | |
| this[originalInstanceKey] = new OriginalClass(); | |
| break; | |
| case 1: | |
| this[originalInstanceKey] = new OriginalClass(a[0]); | |
| break; | |
| case 2: | |
| this[originalInstanceKey] = new OriginalClass(a[0], a[1]); | |
| break; | |
| case 3: | |
| this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2]); | |
| break; | |
| case 4: | |
| this[originalInstanceKey] = new OriginalClass(a[0], a[1], a[2], a[3]); | |
| break; | |
| default: | |
| throw new Error('Arg list too long.'); | |
| } | |
| }; | |
| // attach original delegate to patched function | |
| attachOriginToPatched(_global[className], OriginalClass); | |
| var instance = new OriginalClass(function () { }); | |
| var prop; | |
| for (prop in instance) { | |
| // https://bugs.webkit.org/show_bug.cgi?id=44721 | |
| if (className === 'XMLHttpRequest' && prop === 'responseBlob') | |
| continue; | |
| (function (prop) { | |
| if (typeof instance[prop] === 'function') { | |
| _global[className].prototype[prop] = function () { | |
| return this[originalInstanceKey][prop].apply(this[originalInstanceKey], arguments); | |
| }; | |
| } | |
| else { | |
| ObjectDefineProperty(_global[className].prototype, prop, { | |
| set: function (fn) { | |
| if (typeof fn === 'function') { | |
| this[originalInstanceKey][prop] = wrapWithCurrentZone(fn, className + '.' + prop); | |
| // keep callback in wrapped function so we can | |
| // use it in Function.prototype.toString to return | |
| // the native one. | |
| attachOriginToPatched(this[originalInstanceKey][prop], fn); | |
| } | |
| else { | |
| this[originalInstanceKey][prop] = fn; | |
| } | |
| }, | |
| get: function () { | |
| return this[originalInstanceKey][prop]; | |
| } | |
| }); | |
| } | |
| }(prop)); | |
| } | |
| for (prop in OriginalClass) { | |
| if (prop !== 'prototype' && OriginalClass.hasOwnProperty(prop)) { | |
| _global[className][prop] = OriginalClass[prop]; | |
| } | |
| } | |
| } | |
| function copySymbolProperties(src, dest) { | |
| if (typeof Object.getOwnPropertySymbols !== 'function') { | |
| return; | |
| } | |
| var symbols = Object.getOwnPropertySymbols(src); | |
| symbols.forEach(function (symbol) { | |
| var desc = Object.getOwnPropertyDescriptor(src, symbol); | |
| Object.defineProperty(dest, symbol, { | |
| get: function () { | |
| return src[symbol]; | |
| }, | |
| set: function (value) { | |
| if (desc && (!desc.writable || typeof desc.set !== 'function')) { | |
| // if src[symbol] is not writable or not have a setter, just return | |
| return; | |
| } | |
| src[symbol] = value; | |
| }, | |
| enumerable: desc ? desc.enumerable : true, | |
| configurable: desc ? desc.configurable : true | |
| }); | |
| }); | |
| } | |
| var shouldCopySymbolProperties = false; | |
| function patchMethod(target, name, patchFn) { | |
| var proto = target; | |
| while (proto && !proto.hasOwnProperty(name)) { | |
| proto = ObjectGetPrototypeOf(proto); | |
| } | |
| if (!proto && target[name]) { | |
| // somehow we did not find it, but we can see it. This happens on IE for Window properties. | |
| proto = target; | |
| } | |
| var delegateName = zoneSymbol(name); | |
| var delegate = null; | |
| if (proto && !(delegate = proto[delegateName])) { | |
| delegate = proto[delegateName] = proto[name]; | |
| // check whether proto[name] is writable | |
| // some property is readonly in safari, such as HtmlCanvasElement.prototype.toBlob | |
| var desc = proto && ObjectGetOwnPropertyDescriptor(proto, name); | |
| if (isPropertyWritable(desc)) { | |
| var patchDelegate_1 = patchFn(delegate, delegateName, name); | |
| proto[name] = function () { | |
| return patchDelegate_1(this, arguments); | |
| }; | |
| attachOriginToPatched(proto[name], delegate); | |
| if (shouldCopySymbolProperties) { | |
| copySymbolProperties(delegate, proto[name]); | |
| } | |
| } | |
| } | |
| return delegate; | |
| } | |
| // TODO: @JiaLiPassion, support cancel task later if necessary | |
| function patchMacroTask(obj, funcName, metaCreator) { | |
| var setNative = null; | |
| function scheduleTask(task) { | |
| var data = task.data; | |
| data.args[data.cbIdx] = function () { | |
| task.invoke.apply(this, arguments); | |
| }; | |
| setNative.apply(data.target, data.args); | |
| return task; | |
| } | |
| setNative = patchMethod(obj, funcName, function (delegate) { return function (self, args) { | |
| var meta = metaCreator(self, args); | |
| if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') { | |
| return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask); | |
| } | |
| else { | |
| // cause an error by calling it directly. | |
| return delegate.apply(self, args); | |
| } | |
| }; }); | |
| } | |
| function attachOriginToPatched(patched, original) { | |
| patched[zoneSymbol('OriginalDelegate')] = original; | |
| } | |
| var isDetectedIEOrEdge = false; | |
| var ieOrEdge = false; | |
| function isIE() { | |
| try { | |
| var ua = internalWindow.navigator.userAgent; | |
| if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1) { | |
| return true; | |
| } | |
| } | |
| catch (error) { | |
| } | |
| return false; | |
| } | |
| function isIEOrEdge() { | |
| if (isDetectedIEOrEdge) { | |
| return ieOrEdge; | |
| } | |
| isDetectedIEOrEdge = true; | |
| try { | |
| var ua = internalWindow.navigator.userAgent; | |
| if (ua.indexOf('MSIE ') !== -1 || ua.indexOf('Trident/') !== -1 || ua.indexOf('Edge/') !== -1) { | |
| ieOrEdge = true; | |
| } | |
| return ieOrEdge; | |
| } | |
| catch (error) { | |
| } | |
| } | |
| /** | |
| * @license | |
| * Copyright Google Inc. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by an MIT-style license that can be | |
| * found in the LICENSE file at https://angular.io/license | |
| */ | |
| // override Function.prototype.toString to make zone.js patched function | |
| // look like native function | |
| Zone.__load_patch('toString', function (global) { | |
| // patch Func.prototype.toString to let them look like native | |
| var originalFunctionToString = Function.prototype.toString; | |
| var ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate'); | |
| var PROMISE_SYMBOL = zoneSymbol('Promise'); | |
| var ERROR_SYMBOL = zoneSymbol('Error'); | |
| var newFunctionToString = function toString() { | |
| if (typeof this === 'function') { | |
| var originalDelegate = this[ORIGINAL_DELEGATE_SYMBOL]; | |
| if (originalDelegate) { | |
| if (typeof originalDelegate === 'function') { | |
| return originalFunctionToString.apply(this[ORIGINAL_DELEGATE_SYMBOL], arguments); | |
| } | |
| else { | |
| return Object.prototype.toString.call(originalDelegate); | |
| } | |
| } | |
| if (this === Promise) { | |
| var nativePromise = global[PROMISE_SYMBOL]; | |
| if (nativePromise) { | |
| return originalFunctionToString.apply(nativePromise, arguments); | |
| } | |
| } | |
| if (this === Error) { | |
| var nativeError = global[ERROR_SYMBOL]; | |
| if (nativeError) { | |
| return originalFunctionToString.apply(nativeError, arguments); | |
| } | |
| } | |
| } | |
| return originalFunctionToString.apply(this, arguments); | |
| }; | |
| newFunctionToString[ORIGINAL_DELEGATE_SYMBOL] = originalFunctionToString; | |
| Function.prototype.toString = newFunctionToString; | |
| // patch Object.prototype.toString to let them look like native | |
| var originalObjectToString = Object.prototype.toString; | |
| var PROMISE_OBJECT_TO_STRING = '[object Promise]'; | |
| Object.prototype.toString = function () { | |
| if (this instanceof Promise) { | |
| return PROMISE_OBJECT_TO_STRING; | |
| } | |
| return originalObjectToString.apply(this, arguments); | |
| }; | |
| }); | |
| /** | |
| * @license | |
| * Copyright Google Inc. All Rights Reserved. | |
| * | |
| * Use of this source code is governed by an MIT-style license that can be | |
| * found in the LICENSE file at https://angular.io/license | |
| */ | |
| /** | |
| * @fileoverview | |
| * @suppress {missingRequire} | |
| */ | |
| var passiveSupported = false; | |
| if (typeof window !== 'undefined') { | |
| try { | |
| var options = Object.defineProperty({}, 'passive', { | |
| get: function () { | |
| passiveSupported = true; | |
| } | |
| }); | |
| window.addEventListener('test', options, options); | |
| window.removeEventListener('test', options, options); | |
| } | |
| catch (err) { | |
| passiveSupported = false; | |
| } | |
| } | |
| // an identifier to tell ZoneTask do not create a new invoke closure | |
| var OPTIMIZED_ZONE_EVENT_TASK_DATA = { | |
| useG: true | |
| }; | |
| var zoneSymbolEventNames$1 = {}; | |
| var globalSources = {}; | |
| var EVENT_NAME_SYMBOL_REGX = /^__zone_symbol__(\w+)(true|false)$/; | |
| var IMMEDIATE_PROPAGATION_SYMBOL = ('__zone_symbol__propagationStopped'); | |
| function patchEventTarget(_global, apis, patchOptions) { | |
| var ADD_EVENT_LISTENER = (patchOptions && patchOptions.add) || ADD_EVENT_LISTENER_STR; | |
| var REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.rm) || REMOVE_EVENT_LISTENER_STR; | |
| var LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listeners) || 'eventListeners'; | |
| var REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.rmAll) || 'removeAllListeners'; | |
| var zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER); | |
| var ADD_EVENT_LISTENER_SOURCE = '.' + ADD_EVENT_LISTENER + ':'; | |
| var PREPEND_EVENT_LISTENER = 'prependListener'; | |
| var PREPEND_EVENT_LISTENER_SOURCE = '.' + PREPEND_EVENT_LISTENER + ':'; | |
| var invokeTask = function (task, target, event) { | |
| // for better performance, check isRemoved which is set | |
| // by removeEventListener | |
| if (task.isRemoved) { | |
| return; | |
| } | |
| var delegate = task.callback; | |
| if (typeof delegate === 'object' && delegate.handleEvent) { | |
| // create the bind version of handleEvent when invoke | |
| task.callback = function (event) { return delegate.handleEvent(event); }; | |
| task.originalDelegate = delegate; | |
| } | |
| // invoke static task.invoke | |
| task.invoke(task, target, [event]); | |
| var options = task.options; | |
| if (options && typeof options === 'object' && options.once) { | |
| // if options.once is true, after invoke once remove listener here | |
| // only browser need to do this, nodejs eventEmitter will cal removeListener | |
| // inside EventEmitter.once | |
| var delegate_1 = task.originalDelegate ? task.originalDelegate : task.callback; | |
| target[REMOVE_EVENT_LISTENER].call(target, event.type, delegate_1, options); | |
| } | |
| }; | |
| // global shared zoneAwareCallback to handle all event callback with capture = false | |
| var globalZoneAwareCallback = function (event) { | |
| // https://github.com/angular/zone.js/issues/911, in IE, sometimes | |
| // event will be undefined, so we need to use window.event | |
| event = event || _global.event; | |
| if (!event) { | |
| return; | |
| } | |
| // event.target is needed for Samsung TV and SourceBuffer | |
| // || global is needed https://github.com/angular/zone.js/issues/190 | |
| var target = this || event.target || _global; | |
| var tasks = target[zoneSymbolEventNames$1[event.type][FALSE_STR]]; | |
| if (tasks) { | |
| // invoke all tasks which attached to current target with given event.type and capture = false | |
| // for performance concern, if task.length === 1, just invoke | |
| if (tasks.length === 1) { | |
| invokeTask(tasks[0], target, event); | |
| } | |
| else { | |
| // https://github.com/angular/zone.js/issues/836 | |
| // copy the tasks array before invoke, to avoid | |
| // the callback will remove itself or other listener | |
| var copyTasks = tasks.slice(); | |
| for (var i = 0; i < copyTasks.length; i++) { | |
| if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) { | |
| break; | |
| } | |
| invokeTask(copyTasks[i], target, event); | |
| } | |
| } | |
| } | |
| }; | |
| // global shared zoneAwareCallback to handle all event callback with capture = true | |
| var globalZoneAwareCaptureCallback = function (event) { | |
| // https://github.com/angular/zone.js/issues/911, in IE, sometimes | |
| // event will be undefined, so we need to use window.event | |
| event = event || _global.event; | |
| if (!event) { | |
| return; | |
| } | |
| // event.target is needed for Samsung TV and SourceBuffer | |
| // || global is needed https://github.com/angular/zone.js/issues/190 | |
| var target = this || event.target || _global; | |
| var tasks = target[zoneSymbolEventNames$1[event.type][TRUE_STR]]; | |
| if (tasks) { | |
| // invoke all tasks which attached to current target with given event.type and capture = false | |
| // for performance concern, if task.length === 1, just invoke | |
| if (tasks.length === 1) { | |
| invokeTask(tasks[0], target, event); | |
| } | |
| else { | |
| // https://github.com/angular/zone.js/issues/836 | |
| // copy the tasks array before invoke, to avoid | |
| // the callback will remove itself or other listener | |
| var copyTasks = tasks.slice(); | |
| for (var i = 0; i < copyTasks.length; i++) { | |
| if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) { | |
| break; | |
| } | |
| invokeTask(copyTasks[i], target, event); | |
| } | |
| } | |
| } | |
| }; | |
| function patchEventTargetMethods(obj, patchOptions) { | |
| if (!obj) { | |
| return false; | |
| } | |
| var useGlobalCallback = true; | |
| if (patchOptions && patchOptions.useG !== undefined) { | |
| useGlobalCallback = patchOptions.useG; | |
| } | |
| var validateHandler = patchOptions && patchOptions.vh; | |
| var checkDuplicate = true; | |
| if (patchOptions && patchOptions.chkDup !== undefined) { | |
| checkDuplicate = patchOptions.chkDup; | |
| } | |
| var returnTarget = false; | |
| if (patchOptions && patchOptions.rt !== undefined) { | |
| returnTarget = patchOptions.rt; | |
| } | |
| var proto = obj; | |
| while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) { | |
| proto = ObjectGetPrototypeOf(proto); | |
| } | |
| if (!proto && obj[ADD_EVENT_LISTENER]) { | |
| // somehow we did not find it, but we can see it. This happens on IE for Window properties. | |
| proto = obj; | |
| } | |
| if (!proto) { | |
| return false; | |
| } | |
| if (proto[zoneSymbolAddEventListener]) { | |
| return false; | |
| } | |
| // a shared global taskData to pass data for scheduleEventTask | |
| // so we do not need to create a new object just for pass some data | |
| var taskData = {}; | |
| var nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER]; | |
| var nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] = | |
| proto[REMOVE_EVENT_LISTENER]; | |
| var nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] = | |
| proto[LISTENERS_EVENT_LISTENER]; | |
| var nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] = | |
| proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER]; | |
| var nativePrependEventListener; | |
| if (patchOptions && patchOptions.prepend) { | |
| nativePrependEventListener = proto[zoneSymbol(patchOptions.prepend)] = | |
| proto[patchOptions.prepend]; | |
| } | |
| function checkIsPassive(task) { | |
| if (!passiveSupported && typeof taskData.options !== 'boolean' && | |
| typeof taskData.options !== 'undefined' && taskData.options !== null) { | |
| // options is a non-null non-undefined object | |
| // passive is not supported | |
| // don't pass options as object | |
| // just pass capture as a boolean | |
| task.options = !!taskData.options.capture; | |
| taskData.options = task.options; | |
| } | |
| } | |
| var customScheduleGlobal = function (task) { | |
| // if there is already a task for the eventName + capture, | |
| // just return, because we use the shared globalZoneAwareCallback here. | |
| if (taskData.isExisting) { | |
| return; | |
| } | |
| checkIsPassive(task); | |
| return nativeAddEventListener.call(taskData.target, taskData.eventName, taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, taskData.options); | |
| }; | |
| var customCancelGlobal = function (task) { | |
| // if task is not marked as isRemoved, this call is directly | |
| // from Zone.prototype.cancelTask, we should remove the task | |
| // from tasksList of target first | |
| if (!task.isRemoved) { | |
| var symbolEventNames = zoneSymbolEventNames$1[task.eventName]; | |
| var symbolEventName = void 0; | |
| if (symbolEventNames) { | |
| symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR]; | |
| } | |
| var existingTasks = symbolEventName && task.target[symbolEventName]; | |
| if (existingTasks) { | |
| for (var i = 0; i < existingTasks.length; i++) { | |
| var existingTask = existingTasks[i]; | |
| if (existingTask === task) { | |
| existingTasks.splice(i, 1); | |
| // set isRemoved to data for faster invokeTask check | |
| task.isRemoved = true; | |
| if (existingTasks.length === 0) { | |
| // all tasks for the eventName + capture have gone, | |
| // remove globalZoneAwareCallback and remove the task cache from target | |
| task.allRemoved = true; | |
| task.target[symbolEventName] = null; | |
| } | |
| break; | |
| } | |
| } | |
| } | |
| } | |
| // if all tasks for the eventName + capture have gone, | |
| // we will really remove the global event callback, | |
| // if not, return | |
| if (!task.allRemoved) { | |
| return; | |
| } | |
| return nativeRemoveEventListener.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options); | |
| }; | |
| var customScheduleNonGlobal = function (task) { | |
| checkIsPassive(task); | |
| return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options); | |
| }; | |
| var customSchedulePrepend = function (task) { | |
| return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options); | |
| }; | |
| var customCancelNonGlobal = function (task) { | |
| return nativeRemoveEventListener.call(task.target, task.eventName, task.invoke, task.options); | |
| }; | |
| var customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal; | |
| var customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal; | |
| var compareTaskCallbackVsDelegate = function (task, delegate) { | |
| var typeOfDelegate = typeof delegate; | |
| return (typeOfDelegate === 'function' && task.callback === delegate) || | |
| (typeOfDelegate === 'object' && task.originalDelegate === delegate); | |
| }; | |
| var compare = (patchOptions && patchOptions.diff) ? patchOptions.diff : compareTaskCallbackVsDelegate; | |
| var blackListedEvents = Zone[Zone.__symbol__('BLACK_LISTED_EVENTS')]; | |
| var makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget, prepend) { | |
| if (returnTarget === void 0) { returnTarget = false; } | |
| if (prepend === void 0) { prepend = false; } | |
| return function () { | |
| var target = this || _global; | |
| var delegate = arguments[1]; | |
| if (!delegate) { | |
| return nativeListener.apply(this, arguments); | |
| } | |
| // don't create the bind delegate function for handleEvent | |
| // case here to improve addEventListener performance | |
| // we will create the bind delegate when invoke | |
| var isHandleEvent = false; | |
| if (typeof delegate !== 'function') { | |
| if (!delegate.handleEvent) { | |
| return nativeListener.apply(this, arguments); | |
| } | |
| isHandleEvent = true; | |
| } | |
| if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) { | |
| return; | |
| } | |
| var eventName = arguments[0]; | |
| var options = arguments[2]; | |
| if (blackListedEvents) { | |
| // check black list | |
| for (var i = 0; i < blackListedEvents.length; i++) { | |
| if (eventName === blackListedEvents[i]) { | |
| return nativeListener.apply(this, arguments); | |
| } | |
| } | |
| } | |
| var capture; | |
| var once = false; | |
| if (options === undefined) { | |
| capture = false; | |
| } | |
| else if (options === true) { | |
| capture = true; | |
| } | |
| else if (options === false) { | |
| capture = false; | |
| } | |
| else { | |
| capture = options ? !!options.capture : false; | |
| once = options ? !!options.once : false; | |
| } | |
| var zone = Zone.current; | |
| var symbolEventNames = zoneSymbolEventNames$1[eventName]; | |
| var symbolEventName; | |
| if (!symbolEventNames) { | |
| // the code is duplicate, but I just want to get some better performance | |
| var falseEventName = eventName + FALSE_STR; | |
| var trueEventName = eventName + TRUE_STR; | |
| var symbol = ZONE_SYMBOL_PREFIX + falseEventName; | |
| var symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName; | |
| zoneSymbolEventNames$1[eventName] = {}; | |
| zoneSymbolEventNames$1[eventName][FALSE_STR] = symbol; | |
| zoneSymbolEventNames$1[eventName][TRUE_STR] = symbolCapture; | |
| symbolEventName = capture ? symbolCapture : symbol; | |
| } | |
| else { | |
| symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR]; | |
| } | |
| var existingTasks = target[symbolEventName]; | |
| var isExisting = false; | |
| if (existingTasks) { | |
| // already have task registered | |
| isExisting = true; | |
| if (checkDuplicate) { | |
| for (var i = 0; i < existingTasks.length; i++) { | |
| if (compare(existingTasks[i], delegate)) { | |
| // same callback, same capture, same event name, just return | |
| return; | |
| } | |
| } | |
| } | |
| } | |
| else { | |
| existingTasks = target[symbolEventName] = []; | |
| } | |
| var source; | |
| var constructorName = target.constructor['name']; | |
| var targetSource = globalSources[constructorName]; | |
| if (targetSource) { | |
| source = targetSource[eventName]; | |
| } | |
| if (!source) { | |
| source = constructorName + addSource + eventName; | |
| } | |
| // do not create a new object as task.data to pass those things | |
| // just use the global shared one | |
| taskData.options = options; | |
| if (once) { | |
| // if addEventListener with once options, we don't pass it to | |
| // native addEventListener, instead we keep the once setting | |
| // and handle ourselves. | |
| taskData.options.once = false; | |
| } | |
| taskData.target = target; | |
| taskData.capture = capture; | |
| taskData.eventName = eventName; | |
| taskData.isExisting = isExisting; | |
| var data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : undefined; | |
| // keep taskData into data to allow onScheduleEventTask to access the task information | |
| if (data) { | |
| data.taskData = taskData; | |
| } | |
| var task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn); | |
| // should clear taskData.target to avoid memory leak | |
| // issue, https://github.com/angular/angular/issues/20442 | |
| taskData.target = null; | |
| // need to clear up taskData because it is a global object | |
| if (data) { | |
| data.taskData = null; | |
| } | |
| // have to save those information to task in case | |
| // application may call task.zone.cancelTask() directly | |
| if (once) { | |
| options.once = true; | |
| } | |
| if (!(!passiveSupported && typeof task.options === 'boolean')) { | |
| // if not support passive, and we pass an option object | |
| // to addEventListener, we should save the options to task | |
| task.options = options; | |
| } | |
| task.target = target; | |
| task.capture = capture; | |
| task.eventName = eventName; | |
| if (isHandleEvent) { | |
| // save original delegate for compare to check duplicate | |
| task.originalDelegate = delegate; | |
| } | |
| if (!prepend) { | |
| existingTasks.push(task); | |
| } | |
| else { | |
| existingTasks.unshift(task); | |
| } | |
| if (returnTarget) { | |
| return target; | |
| } | |
| }; | |
| }; | |
| proto[ADD_EVENT_LISTENER] = makeAddListener(nativeAddEventListener, ADD_EVENT_LISTENER_SOURCE, customSchedule, customCancel, returnTarget); | |
| if (nativePrependEventListener) { | |
| proto[PREPEND_EVENT_LISTENER] = makeAddListener(nativePrependEventListener, PREPEND_EVENT_LISTENER_SOURCE, customSchedulePrepend, customCancel, returnTarget, true); | |
| } | |
| proto[REMOVE_EVENT_LISTENER] = function () { | |
| var target = this || _global; | |
| var eventName = arguments[0]; | |
| var options = arguments[2]; | |
| var capture; | |
| if (options === undefined) { | |
| capture = false; | |
| } | |
| else if (options === true) { | |
| capture = true; | |
| } | |
| else if (options === false) { | |
| capture = false; | |
| } | |
| else { | |
| capture = options ? !!options.capture : false; | |
| } | |
| var delegate = arguments[1]; | |
| if (!delegate) { | |
| return nativeRemoveEventListener.apply(this, arguments); | |
| } | |
| if (validateHandler && | |
| !validateHandler(nativeRemoveEventListener, delegate, target, arguments)) { | |
| return; | |
| } | |
| var symbolEventNames = zoneSymbolEventNames$1[eventName]; | |
| var symbolEventName; | |
| if (symbolEventNames) { | |
| symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR]; | |
| } | |
| var existingTasks = symbolEventName && target[symbolEventName]; | |
| if (existingTasks) { | |
| for (var i = 0; i < existingTasks.length; i++) { | |
| var existingTask = existingTasks[i]; | |
| if (compare(existingTask, delegate)) { | |
| existingTasks.splice(i, 1); | |
| // set isRemoved to data for faster invokeTask check | |
| existingTask.isRemoved = true; | |
| if (existingTasks.length === 0) { | |
| // all tasks for the eventName + capture have gone, | |
| // remove globalZoneAwareCallback and remove the task cache from target | |
| existingTask.allRemoved = true; | |
| target[symbolEventName] = null; | |
| } | |
| existingTask.zone.cancelTask(existingTask); | |
| if (returnTarget) { | |
| return target; | |
| } | |
| return; | |
| } | |
| } | |
| } | |
| // issue 930, didn't find the event name or callback | |
| // from zone kept existingTasks, the callback maybe | |
| // added outside of zone, we need to call native removeEventListener | |
| // to try to remove it. | |
| return nativeRemoveEventListener.apply(this, arguments); | |
| }; | |
| proto[LISTENERS_EVENT_LISTENER] = function () { | |
| var target = this || _global; | |
| var eventName = arguments[0]; | |
| var listeners = []; | |
| var tasks = findEventTasks(target, eventName); | |
| for (var i = 0; i < tasks.length; i++) { | |
| var task = tasks[i]; | |
| var delegate = task.originalDelegate ? task.originalDelegate : task.callback; | |
| listeners.push(delegate); | |
| } | |
| return listeners; | |
| }; | |
| proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER] = function () { | |
| var target = this || _global; | |
| var eventName = arguments[0]; | |
| if (!eventName) { | |
| var keys = Object.keys(target); | |
| for (var i = 0; i < keys.length; i++) { | |
| var prop = keys[i]; | |
| var match = EVENT_NAME_SYMBOL_REGX.exec(prop); | |
| var evtName = match && match[1]; | |
| // in nodejs EventEmitter, removeListener event is | |
| // used for monitoring the removeListener call, | |
| // so just keep removeListener eventListener until | |
| // all other eventListeners are removed | |
| if (evtName && evtName !== 'removeListener') { | |
| this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, evtName); | |
| } | |
| } | |
| // remove removeListener listener finally | |
| this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, 'removeListener'); | |
| } | |
| else { | |
| var symbolEventNames = zoneSymbolEventNames$1[eventName]; | |
| if (symbolEventNames) { | |
| var symbolEventName = symbolEventNames[FALSE_STR]; | |
| var symbolCaptureEventName = symbolEventNames[TRUE_STR]; | |
| var tasks = target[symbolEventName]; | |
| var captureTasks = target[symbolCaptureEventName]; | |
| if (tasks) { | |
| var removeTasks = tasks.slice(); | |
| for (var i = 0; i < removeTasks.length; i++) { | |
| var task = removeTasks[i]; | |
| var delegate = task.originalDelegate ? task.originalDelegate : task.callback; | |
| this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options); | |
| } | |
| } | |
| if (captureTasks) { | |
| var removeTasks = captureTasks.slice(); | |
| for (var i = 0; i < removeTasks.length; i++) { | |
| var task = removeTasks[i]; | |
| var delegate = task.originalDelegate ? task.originalDelegate : task.callback; | |
| this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options); | |
| } | |
| } | |
| } | |
| } | |
| if (returnTarget) { | |
| return this; | |
| } | |
| }; | |
| // for native toString patch | |
| attachOriginToPatched(proto[ADD_EVENT_LISTENER], nativeAddEventListener); | |
| attachOriginToPatched(proto[REMOVE_EVENT_LISTENER], nativeRemoveEventListener); | |
| if (nativeRemoveAllListeners) { | |
| attachOriginToPatched(proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER], nativeRemoveAllListeners); | |
| } | |
| if (nativeListeners) { | |
| attachOriginToPatched(proto[LISTENERS_EVENT_LISTENER], nativeListeners); | |
| } | |
| return true; | |
| } | |