'use strict'; /** * @license Angular v12.0.0-next.0 * (c) 2010-2020 Google LLC. https://angular.io/ * License: MIT */ /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ const Zone$1 = (function (global) { const performance = global['performance']; function mark(name) { performance && performance['mark'] && performance['mark'](name); } function performanceMeasure(name, label) { performance && performance['measure'] && performance['measure'](name, label); } mark('Zone'); // Initialize before it's accessed below. // __Zone_symbol_prefix global can be used to override the default zone // symbol prefix with a custom one if needed. const symbolPrefix = global['__Zone_symbol_prefix'] || '__zone_symbol__'; function __symbol__(name) { return symbolPrefix + name; } const checkDuplicate = global[__symbol__('forceDuplicateZoneCheck')] === true; if (global['Zone']) { // if global['Zone'] already exists (maybe zone.js was already loaded or // some other lib also registered a global object named Zone), we may need // to throw an error, but sometimes user may not want this error. // For example, // we have two web pages, page1 includes zone.js, page2 doesn't. // and the 1st time user load page1 and page2, everything work fine, // but when user load page2 again, error occurs because global['Zone'] already exists. // so we add a flag to let user choose whether to throw this error or not. // By default, if existing Zone is from zone.js, we will not throw the error. if (checkDuplicate || typeof global['Zone'].__symbol__ !== 'function') { throw new Error('Zone already loaded.'); } else { return global['Zone']; } } class Zone { constructor(parent, zoneSpec) { this._parent = parent; this._name = zoneSpec ? zoneSpec.name || 'unnamed' : ''; this._properties = zoneSpec && zoneSpec.properties || {}; this._zoneDelegate = new ZoneDelegate(this, this._parent && this._parent._zoneDelegate, zoneSpec); } static assertZonePatched() { if (global['Promise'] !== patches['ZoneAwarePromise']) { throw new Error('Zone.js has detected that ZoneAwarePromise `(window|global).Promise` ' + 'has been overwritten.\n' + 'Most likely cause is that a Promise polyfill has been loaded ' + 'after Zone.js (Polyfilling Promise api is not necessary when zone.js is loaded. ' + 'If you must load one, do so before loading zone.js.)'); } } static get root() { let zone = Zone.current; while (zone.parent) { zone = zone.parent; } return zone; } static get current() { return _currentZoneFrame.zone; } static get currentTask() { return _currentTask; } // tslint:disable-next-line:require-internal-with-underscore static __load_patch(name, fn, ignoreDuplicate = false) { if (patches.hasOwnProperty(name)) { // `checkDuplicate` option is defined from global variable // so it works for all modules. // `ignoreDuplicate` can work for the specified module if (!ignoreDuplicate && checkDuplicate) { throw Error('Already loaded patch: ' + name); } } else if (!global['__Zone_disable_' + name]) { const perfName = 'Zone:' + name; mark(perfName); patches[name] = fn(global, Zone, _api); performanceMeasure(perfName, perfName); } } get parent() { return this._parent; } get name() { return this._name; } get(key) { const zone = this.getZoneWith(key); if (zone) return zone._properties[key]; } getZoneWith(key) { let current = this; while (current) { if (current._properties.hasOwnProperty(key)) { return current; } current = current._parent; } return null; } fork(zoneSpec) { if (!zoneSpec) throw new Error('ZoneSpec required!'); return this._zoneDelegate.fork(this, zoneSpec); } wrap(callback, source) { if (typeof callback !== 'function') { throw new Error('Expecting function got: ' + callback); } const _callback = this._zoneDelegate.intercept(this, callback, source); const zone = this; return function () { return zone.runGuarded(_callback, this, arguments, source); }; } run(callback, applyThis, applyArgs, source) { _currentZoneFrame = { parent: _currentZoneFrame, zone: this }; try { return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source); } finally { _currentZoneFrame = _currentZoneFrame.parent; } } runGuarded(callback, applyThis = null, applyArgs, source) { _currentZoneFrame = { parent: _currentZoneFrame, zone: this }; try { try { return this._zoneDelegate.invoke(this, callback, applyThis, applyArgs, source); } catch (error) { if (this._zoneDelegate.handleError(this, error)) { throw error; } } } finally { _currentZoneFrame = _currentZoneFrame.parent; } } runTask(task, applyThis, applyArgs) { if (task.zone != this) { throw new Error('A task can only be run in the zone of creation! (Creation: ' + (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')'); } // https://github.com/angular/zone.js/issues/778, sometimes eventTask // will run in notScheduled(canceled) state, we should not try to // run such kind of task but just return if (task.state === notScheduled && (task.type === eventTask || task.type === macroTask)) { return; } const reEntryGuard = task.state != running; reEntryGuard && task._transitionTo(running, scheduled); task.runCount++; const previousTask = _currentTask; _currentTask = task; _currentZoneFrame = { parent: _currentZoneFrame, zone: this }; try { if (task.type == macroTask && task.data && !task.data.isPeriodic) { task.cancelFn = undefined; } try { return this._zoneDelegate.invokeTask(this, task, applyThis, applyArgs); } catch (error) { if (this._zoneDelegate.handleError(this, error)) { throw error; } } } finally { // if the task's state is notScheduled or unknown, then it has already been cancelled // we should not reset the state to scheduled if (task.state !== notScheduled && task.state !== unknown) { if (task.type == eventTask || (task.data && task.data.isPeriodic)) { reEntryGuard && task._transitionTo(scheduled, running); } else { task.runCount = 0; this._updateTaskCount(task, -1); reEntryGuard && task._transitionTo(notScheduled, running, notScheduled); } } _currentZoneFrame = _currentZoneFrame.parent; _currentTask = previousTask; } } scheduleTask(task) { if (task.zone && task.zone !== this) { // check if the task was rescheduled, the newZone // should not be the children of the original zone let newZone = this; while (newZone) { if (newZone === task.zone) { throw Error(`can not reschedule task to ${this.name} which is descendants of the original zone ${task.zone.name}`); } newZone = newZone.parent; } } task._transitionTo(scheduling, notScheduled); const zoneDelegates = []; task._zoneDelegates = zoneDelegates; task._zone = this; try { task = this._zoneDelegate.scheduleTask(this, task); } catch (err) { // should set task's state to unknown when scheduleTask throw error // because the err may from reschedule, so the fromState maybe notScheduled task._transitionTo(unknown, scheduling, notScheduled); // TODO: @JiaLiPassion, should we check the result from handleError? this._zoneDelegate.handleError(this, err); throw err; } if (task._zoneDelegates === zoneDelegates) { // we have to check because internally the delegate can reschedule the task. this._updateTaskCount(task, 1); } if (task.state == scheduling) { task._transitionTo(scheduled, scheduling); } return task; } scheduleMicroTask(source, callback, data, customSchedule) { return this.scheduleTask(new ZoneTask(microTask, source, callback, data, customSchedule, undefined)); } scheduleMacroTask(source, callback, data, customSchedule, customCancel) { return this.scheduleTask(new ZoneTask(macroTask, source, callback, data, customSchedule, customCancel)); } scheduleEventTask(source, callback, data, customSchedule, customCancel) { return this.scheduleTask(new ZoneTask(eventTask, source, callback, data, customSchedule, customCancel)); } cancelTask(task) { if (task.zone != this) throw new Error('A task can only be cancelled in the zone of creation! (Creation: ' + (task.zone || NO_ZONE).name + '; Execution: ' + this.name + ')'); task._transitionTo(canceling, scheduled, running); try { this._zoneDelegate.cancelTask(this, task); } catch (err) { // if error occurs when cancelTask, transit the state to unknown task._transitionTo(unknown, canceling); this._zoneDelegate.handleError(this, err); throw err; } this._updateTaskCount(task, -1); task._transitionTo(notScheduled, canceling); task.runCount = 0; return task; } _updateTaskCount(task, count) { const zoneDelegates = task._zoneDelegates; if (count == -1) { task._zoneDelegates = null; } for (let i = 0; i < zoneDelegates.length; i++) { zoneDelegates[i]._updateTaskCount(task.type, count); } } } // tslint:disable-next-line:require-internal-with-underscore Zone.__symbol__ = __symbol__; const DELEGATE_ZS = { name: '', onHasTask: (delegate, _, target, hasTaskState) => delegate.hasTask(target, hasTaskState), onScheduleTask: (delegate, _, target, task) => delegate.scheduleTask(target, task), onInvokeTask: (delegate, _, target, task, applyThis, applyArgs) => delegate.invokeTask(target, task, applyThis, applyArgs), onCancelTask: (delegate, _, target, task) => delegate.cancelTask(target, task) }; class ZoneDelegate { constructor(zone, parentDelegate, zoneSpec) { this._taskCounts = { 'microTask': 0, 'macroTask': 0, 'eventTask': 0 }; this.zone = zone; this._parentDelegate = parentDelegate; this._forkZS = zoneSpec && (zoneSpec && zoneSpec.onFork ? zoneSpec : parentDelegate._forkZS); this._forkDlgt = zoneSpec && (zoneSpec.onFork ? parentDelegate : parentDelegate._forkDlgt); this._forkCurrZone = zoneSpec && (zoneSpec.onFork ? this.zone : parentDelegate._forkCurrZone); this._interceptZS = zoneSpec && (zoneSpec.onIntercept ? zoneSpec : parentDelegate._interceptZS); this._interceptDlgt = zoneSpec && (zoneSpec.onIntercept ? parentDelegate : parentDelegate._interceptDlgt); this._interceptCurrZone = zoneSpec && (zoneSpec.onIntercept ? this.zone : parentDelegate._interceptCurrZone); this._invokeZS = zoneSpec && (zoneSpec.onInvoke ? zoneSpec : parentDelegate._invokeZS); this._invokeDlgt = zoneSpec && (zoneSpec.onInvoke ? parentDelegate : parentDelegate._invokeDlgt); this._invokeCurrZone = zoneSpec && (zoneSpec.onInvoke ? this.zone : parentDelegate._invokeCurrZone); this._handleErrorZS = zoneSpec && (zoneSpec.onHandleError ? zoneSpec : parentDelegate._handleErrorZS); this._handleErrorDlgt = zoneSpec && (zoneSpec.onHandleError ? parentDelegate : parentDelegate._handleErrorDlgt); this._handleErrorCurrZone = zoneSpec && (zoneSpec.onHandleError ? this.zone : parentDelegate._handleErrorCurrZone); this._scheduleTaskZS = zoneSpec && (zoneSpec.onScheduleTask ? zoneSpec : parentDelegate._scheduleTaskZS); this._scheduleTaskDlgt = zoneSpec && (zoneSpec.onScheduleTask ? parentDelegate : parentDelegate._scheduleTaskDlgt); this._scheduleTaskCurrZone = zoneSpec && (zoneSpec.onScheduleTask ? this.zone : parentDelegate._scheduleTaskCurrZone); this._invokeTaskZS = zoneSpec && (zoneSpec.onInvokeTask ? zoneSpec : parentDelegate._invokeTaskZS); this._invokeTaskDlgt = zoneSpec && (zoneSpec.onInvokeTask ? parentDelegate : parentDelegate._invokeTaskDlgt); this._invokeTaskCurrZone = zoneSpec && (zoneSpec.onInvokeTask ? this.zone : parentDelegate._invokeTaskCurrZone); this._cancelTaskZS = zoneSpec && (zoneSpec.onCancelTask ? zoneSpec : parentDelegate._cancelTaskZS); this._cancelTaskDlgt = zoneSpec && (zoneSpec.onCancelTask ? parentDelegate : parentDelegate._cancelTaskDlgt); this._cancelTaskCurrZone = zoneSpec && (zoneSpec.onCancelTask ? this.zone : parentDelegate._cancelTaskCurrZone); this._hasTaskZS = null; this._hasTaskDlgt = null; this._hasTaskDlgtOwner = null; this._hasTaskCurrZone = null; const zoneSpecHasTask = zoneSpec && zoneSpec.onHasTask; const parentHasTask = parentDelegate && parentDelegate._hasTaskZS; if (zoneSpecHasTask || parentHasTask) { // If we need to report hasTask, than this ZS needs to do ref counting on tasks. In such // a case all task related interceptors must go through this ZD. We can't short circuit it. this._hasTaskZS = zoneSpecHasTask ? zoneSpec : DELEGATE_ZS; this._hasTaskDlgt = parentDelegate; this._hasTaskDlgtOwner = this; this._hasTaskCurrZone = zone; if (!zoneSpec.onScheduleTask) { this._scheduleTaskZS = DELEGATE_ZS; this._scheduleTaskDlgt = parentDelegate; this._scheduleTaskCurrZone = this.zone; } if (!zoneSpec.onInvokeTask) { this._invokeTaskZS = DELEGATE_ZS; this._invokeTaskDlgt = parentDelegate; this._invokeTaskCurrZone = this.zone; } if (!zoneSpec.onCancelTask) { this._cancelTaskZS = DELEGATE_ZS; this._cancelTaskDlgt = parentDelegate; this._cancelTaskCurrZone = this.zone; } } } fork(targetZone, zoneSpec) { return this._forkZS ? this._forkZS.onFork(this._forkDlgt, this.zone, targetZone, zoneSpec) : new Zone(targetZone, zoneSpec); } intercept(targetZone, callback, source) { return this._interceptZS ? this._interceptZS.onIntercept(this._interceptDlgt, this._interceptCurrZone, targetZone, callback, source) : callback; } invoke(targetZone, callback, applyThis, applyArgs, source) { return this._invokeZS ? this._invokeZS.onInvoke(this._invokeDlgt, this._invokeCurrZone, targetZone, callback, applyThis, applyArgs, source) : callback.apply(applyThis, applyArgs); } handleError(targetZone, error) { return this._handleErrorZS ? this._handleErrorZS.onHandleError(this._handleErrorDlgt, this._handleErrorCurrZone, targetZone, error) : true; } scheduleTask(targetZone, task) { let returnTask = task; if (this._scheduleTaskZS) { if (this._hasTaskZS) { returnTask._zoneDelegates.push(this._hasTaskDlgtOwner); } // clang-format off returnTask = this._scheduleTaskZS.onScheduleTask(this._scheduleTaskDlgt, this._scheduleTaskCurrZone, targetZone, task); // clang-format on if (!returnTask) returnTask = task; } else { if (task.scheduleFn) { task.scheduleFn(task); } else if (task.type == microTask) { scheduleMicroTask(task); } else { throw new Error('Task is missing scheduleFn.'); } } return returnTask; } invokeTask(targetZone, task, applyThis, applyArgs) { return this._invokeTaskZS ? this._invokeTaskZS.onInvokeTask(this._invokeTaskDlgt, this._invokeTaskCurrZone, targetZone, task, applyThis, applyArgs) : task.callback.apply(applyThis, applyArgs); } cancelTask(targetZone, task) { let value; if (this._cancelTaskZS) { value = this._cancelTaskZS.onCancelTask(this._cancelTaskDlgt, this._cancelTaskCurrZone, targetZone, task); } else { if (!task.cancelFn) { throw Error('Task is not cancelable'); } value = task.cancelFn(task); } return value; } hasTask(targetZone, isEmpty) { // hasTask should not throw error so other ZoneDelegate // can still trigger hasTask callback try { this._hasTaskZS && this._hasTaskZS.onHasTask(this._hasTaskDlgt, this._hasTaskCurrZone, targetZone, isEmpty); } catch (err) { this.handleError(targetZone, err); } } // tslint:disable-next-line:require-internal-with-underscore _updateTaskCount(type, count) { const counts = this._taskCounts; const prev = counts[type]; const next = counts[type] = prev + count; if (next < 0) { throw new Error('More tasks executed then were scheduled.'); } if (prev == 0 || next == 0) { const isEmpty = { microTask: counts['microTask'] > 0, macroTask: counts['macroTask'] > 0, eventTask: counts['eventTask'] > 0, change: type }; this.hasTask(this.zone, isEmpty); } } } class ZoneTask { constructor(type, source, callback, options, scheduleFn, cancelFn) { // tslint:disable-next-line:require-internal-with-underscore this._zone = null; this.runCount = 0; // tslint:disable-next-line:require-internal-with-underscore this._zoneDelegates = null; // tslint:disable-next-line:require-internal-with-underscore this._state = 'notScheduled'; this.type = type; this.source = source; this.data = options; this.scheduleFn = scheduleFn; this.cancelFn = cancelFn; if (!callback) { throw new Error('callback is not defined'); } this.callback = callback; const self = this; // TODO: @JiaLiPassion options should have interface if (type === eventTask && options && options.useG) { this.invoke = ZoneTask.invokeTask; } else { this.invoke = function () { return ZoneTask.invokeTask.call(global, self, this, arguments); }; } } static invokeTask(task, target, args) { if (!task) { task = this; } _numberOfNestedTaskFrames++; try { task.runCount++; return task.zone.runTask(task, target, args); } finally { if (_numberOfNestedTaskFrames == 1) { drainMicroTaskQueue(); } _numberOfNestedTaskFrames--; } } get zone() { return this._zone; } get state() { return this._state; } cancelScheduleRequest() { this._transitionTo(notScheduled, scheduling); } // tslint:disable-next-line:require-internal-with-underscore _transitionTo(toState, fromState1, fromState2) { if (this._state === fromState1 || this._state === fromState2) { this._state = toState; if (toState == notScheduled) { this._zoneDelegates = null; } } else { throw new Error(`${this.type} '${this.source}': can not transition to '${toState}', expecting state '${fromState1}'${fromState2 ? ' or \'' + fromState2 + '\'' : ''}, was '${this._state}'.`); } } toString() { if (this.data && typeof this.data.handleId !== 'undefined') { return this.data.handleId.toString(); } else { return Object.prototype.toString.call(this); } } // add toJSON method to prevent cyclic error when // call JSON.stringify(zoneTask) toJSON() { return { type: this.type, state: this.state, source: this.source, zone: this.zone.name, runCount: this.runCount }; } } ////////////////////////////////////////////////////// ////////////////////////////////////////////////////// /// MICROTASK QUEUE ////////////////////////////////////////////////////// ////////////////////////////////////////////////////// const symbolSetTimeout = __symbol__('setTimeout'); const symbolPromise = __symbol__('Promise'); const symbolThen = __symbol__('then'); let _microTaskQueue = []; let _isDrainingMicrotaskQueue = false; let nativeMicroTaskQueuePromise; function scheduleMicroTask(task) { // if we are not running in any task, and there has not been anything scheduled // we must bootstrap the initial task creation by manually scheduling the drain if (_numberOfNestedTaskFrames === 0 && _microTaskQueue.length === 0) { // We are not running in Task, so we need to kickstart the microtask queue. if (!nativeMicroTaskQueuePromise) { if (global[symbolPromise]) { nativeMicroTaskQueuePromise = global[symbolPromise].resolve(0); } } if (nativeMicroTaskQueuePromise) { let nativeThen = nativeMicroTaskQueuePromise[symbolThen]; if (!nativeThen) { // native Promise is not patchable, we need to use `then` directly // issue 1078 nativeThen = nativeMicroTaskQueuePromise['then']; } nativeThen.call(nativeMicroTaskQueuePromise, drainMicroTaskQueue); } else { global[symbolSetTimeout](drainMicroTaskQueue, 0); } } task && _microTaskQueue.push(task); } function drainMicroTaskQueue() { if (!_isDrainingMicrotaskQueue) { _isDrainingMicrotaskQueue = true; while (_microTaskQueue.length) { const queue = _microTaskQueue; _microTaskQueue = []; for (let i = 0; i < queue.length; i++) { const task = queue[i]; try { task.zone.runTask(task, null, null); } catch (error) { _api.onUnhandledError(error); } } } _api.microtaskDrainDone(); _isDrainingMicrotaskQueue = false; } } ////////////////////////////////////////////////////// ////////////////////////////////////////////////////// /// BOOTSTRAP ////////////////////////////////////////////////////// ////////////////////////////////////////////////////// const NO_ZONE = { name: 'NO ZONE' }; const notScheduled = 'notScheduled', scheduling = 'scheduling', scheduled = 'scheduled', running = 'running', canceling = 'canceling', unknown = 'unknown'; const microTask = 'microTask', macroTask = 'macroTask', eventTask = 'eventTask'; const patches = {}; const _api = { symbol: __symbol__, currentZoneFrame: () => _currentZoneFrame, onUnhandledError: noop, microtaskDrainDone: noop, scheduleMicroTask: scheduleMicroTask, showUncaughtError: () => !Zone[__symbol__('ignoreConsoleErrorUncaughtError')], patchEventTarget: () => [], patchOnProperties: noop, patchMethod: () => noop, bindArguments: () => [], patchThen: () => noop, patchMacroTask: () => noop, patchEventPrototype: () => noop, isIEOrEdge: () => false, getGlobalObjects: () => undefined, ObjectDefineProperty: () => noop, ObjectGetOwnPropertyDescriptor: () => undefined, ObjectCreate: () => undefined, ArraySlice: () => [], patchClass: () => noop, wrapWithCurrentZone: () => noop, filterProperties: () => [], attachOriginToPatched: () => noop, _redefineProperty: () => noop, patchCallbacks: () => noop }; let _currentZoneFrame = { parent: null, zone: new Zone(null, null) }; let _currentTask = null; let _numberOfNestedTaskFrames = 0; function noop() { } performanceMeasure('Zone', 'Zone'); return global['Zone'] = Zone; })(typeof window !== 'undefined' && window || typeof self !== 'undefined' && self || global); /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ /** * Suppress closure compiler errors about unknown 'Zone' variable * @fileoverview * @suppress {undefinedVars,globalThis,missingRequire} */ /// // issue #989, to reduce bundle size, use short name /** Object.getOwnPropertyDescriptor */ const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; /** Object.defineProperty */ const ObjectDefineProperty = Object.defineProperty; /** Object.getPrototypeOf */ const ObjectGetPrototypeOf = Object.getPrototypeOf; /** Array.prototype.slice */ const ArraySlice = Array.prototype.slice; /** addEventListener string const */ const ADD_EVENT_LISTENER_STR = 'addEventListener'; /** removeEventListener string const */ const REMOVE_EVENT_LISTENER_STR = 'removeEventListener'; /** zoneSymbol addEventListener */ const ZONE_SYMBOL_ADD_EVENT_LISTENER = Zone.__symbol__(ADD_EVENT_LISTENER_STR); /** zoneSymbol removeEventListener */ const ZONE_SYMBOL_REMOVE_EVENT_LISTENER = Zone.__symbol__(REMOVE_EVENT_LISTENER_STR); /** true string const */ const TRUE_STR = 'true'; /** false string const */ const FALSE_STR = 'false'; /** Zone symbol prefix string const. */ const ZONE_SYMBOL_PREFIX = Zone.__symbol__(''); function wrapWithCurrentZone(callback, source) { return Zone.current.wrap(callback, source); } function scheduleMacroTaskWithCurrentZone(source, callback, data, customSchedule, customCancel) { return Zone.current.scheduleMacroTask(source, callback, data, customSchedule, customCancel); } const zoneSymbol = Zone.__symbol__; const isWindowExists = typeof window !== 'undefined'; const internalWindow = isWindowExists ? window : undefined; const _global = isWindowExists && internalWindow || typeof self === 'object' && self || global; const REMOVE_ATTRIBUTE = 'removeAttribute'; const NULL_ON_PROP_VALUE = [null]; function bindArguments(args, source) { for (let i = args.length - 1; i >= 0; i--) { if (typeof args[i] === 'function') { args[i] = wrapWithCurrentZone(args[i], source + '_' + i); } } return args; } function isPropertyWritable(propertyDesc) { if (!propertyDesc) { return true; } if (propertyDesc.writable === false) { return false; } return !(typeof propertyDesc.get === 'function' && typeof propertyDesc.set === 'undefined'); } const isWebWorker = (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope); // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify // this code. const isNode = (!('nw' in _global) && typeof _global.process !== 'undefined' && {}.toString.call(_global.process) === '[object process]'); const isBrowser = !isNode && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']); // we are in electron of nw, so we are both browser and nodejs // Make sure to access `process` through `_global` so that WebPack does not accidentally browserify // this code. const isMix = typeof _global.process !== 'undefined' && {}.toString.call(_global.process) === '[object process]' && !isWebWorker && !!(isWindowExists && internalWindow['HTMLElement']); const zoneSymbolEventNames = {}; const wrapFn = function (event) { // https://github.com/angular/zone.js/issues/911, in IE, sometimes // event will be undefined, so we need to use window.event event = event || _global.event; if (!event) { return; } let eventNameSymbol = zoneSymbolEventNames[event.type]; if (!eventNameSymbol) { eventNameSymbol = zoneSymbolEventNames[event.type] = zoneSymbol('ON_PROPERTY' + event.type); } const target = this || event.target || _global; const listener = target[eventNameSymbol]; let result; if (isBrowser && target === internalWindow && event.type === 'error') { // window.onerror have different signiture // https://developer.mozilla.org/en-US/docs/Web/API/GlobalEventHandlers/onerror#window.onerror // and onerror callback will prevent default when callback return true const errorEvent = event; result = listener && listener.call(this, errorEvent.message, errorEvent.filename, errorEvent.lineno, errorEvent.colno, errorEvent.error); if (result === true) { event.preventDefault(); } } else { result = listener && listener.apply(this, arguments); if (result != undefined && !result) { event.preventDefault(); } } return result; }; function patchProperty(obj, prop, prototype) { let desc = ObjectGetOwnPropertyDescriptor(obj, prop); if (!desc && prototype) { // when patch window object, use prototype to check prop exist or not const prototypeDesc = ObjectGetOwnPropertyDescriptor(prototype, prop); if (prototypeDesc) { desc = { enumerable: true, configurable: true }; } } // if the descriptor not exists or is not configurable // just return if (!desc || !desc.configurable) { return; } const onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched'); if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) { return; } // A property descriptor cannot have getter/setter and be writable // deleting the writable and value properties avoids this error: // // TypeError: property descriptors must not specify a value or be writable when a // getter or setter has been specified delete desc.writable; delete desc.value; const originalDescGet = desc.get; const originalDescSet = desc.set; // substr(2) cuz 'onclick' -> 'click', etc const eventName = prop.substr(2); let eventNameSymbol = zoneSymbolEventNames[eventName]; if (!eventNameSymbol) { eventNameSymbol = zoneSymbolEventNames[eventName] = zoneSymbol('ON_PROPERTY' + eventName); } desc.set = function (newValue) { // in some of windows's onproperty callback, this is undefined // so we need to check it let target = this; if (!target && obj === _global) { target = _global; } if (!target) { return; } let previousValue = target[eventNameSymbol]; if (previousValue) { target.removeEventListener(eventName, wrapFn); } // issue #978, when onload handler was added before loading zone.js // we should remove it with originalDescSet if (originalDescSet) { originalDescSet.apply(target, NULL_ON_PROP_VALUE); } if (typeof newValue === 'function') { target[eventNameSymbol] = newValue; target.addEventListener(eventName, wrapFn, false); } else { target[eventNameSymbol] = null; } }; // The getter would return undefined for unassigned properties but the default value of an // unassigned property is null desc.get = function () { // in some of windows's onproperty callback, this is undefined // so we need to check it let target = this; if (!target && obj === _global) { target = _global; } if (!target) { return null; } const listener = target[eventNameSymbol]; if (listener) { return listener; } else if (originalDescGet) { // result will be null when use inline event attribute, // such as // because the onclick function is internal raw uncompiled handler // the onclick will be evaluated when first time event was triggered or // the property is accessed, https://github.com/angular/zone.js/issues/525 // so we should use original native get to retrieve the handler let value = originalDescGet && originalDescGet.call(this); if (value) { desc.set.call(this, value); if (typeof target[REMOVE_ATTRIBUTE] === 'function') { target.removeAttribute(prop); } return value; } } return null; }; ObjectDefineProperty(obj, prop, desc); obj[onPropPatchedSymbol] = true; } function patchOnProperties(obj, properties, prototype) { if (properties) { for (let i = 0; i < properties.length; i++) { patchProperty(obj, 'on' + properties[i], prototype); } } else { const onProperties = []; for (const prop in obj) { if (prop.substr(0, 2) == 'on') { onProperties.push(prop); } } for (let j = 0; j < onProperties.length; j++) { patchProperty(obj, onProperties[j], prototype); } } } const originalInstanceKey = zoneSymbol('originalInstance'); function copySymbolProperties(src, dest) { if (typeof Object.getOwnPropertySymbols !== 'function') { return; } const symbols = Object.getOwnPropertySymbols(src); symbols.forEach((symbol) => { const desc = Object.getOwnPropertyDescriptor(src, symbol); Object.defineProperty(dest, symbol, { get: function () { return src[symbol]; }, set: function (value) { if (desc && (!desc.writable || typeof desc.set !== 'function')) { // if src[symbol] is not writable or not have a setter, just return return; } src[symbol] = value; }, enumerable: desc ? desc.enumerable : true, configurable: desc ? desc.configurable : true }); }); } let shouldCopySymbolProperties = false; function setShouldCopySymbolProperties(flag) { shouldCopySymbolProperties = flag; } function patchMethod(target, name, patchFn) { let proto = target; while (proto && !proto.hasOwnProperty(name)) { proto = ObjectGetPrototypeOf(proto); } if (!proto && target[name]) { // somehow we did not find it, but we can see it. This happens on IE for Window properties. proto = target; } const delegateName = zoneSymbol(name); let delegate = null; if (proto && (!(delegate = proto[delegateName]) || !proto.hasOwnProperty(delegateName))) { delegate = proto[delegateName] = proto[name]; // check whether proto[name] is writable // some property is readonly in safari, such as HtmlCanvasElement.prototype.toBlob const desc = proto && ObjectGetOwnPropertyDescriptor(proto, name); if (isPropertyWritable(desc)) { const patchDelegate = patchFn(delegate, delegateName, name); proto[name] = function () { return patchDelegate(this, arguments); }; attachOriginToPatched(proto[name], delegate); if (shouldCopySymbolProperties) { copySymbolProperties(delegate, proto[name]); } } } return delegate; } // TODO: @JiaLiPassion, support cancel task later if necessary function patchMacroTask(obj, funcName, metaCreator) { let setNative = null; function scheduleTask(task) { const data = task.data; data.args[data.cbIdx] = function () { task.invoke.apply(this, arguments); }; setNative.apply(data.target, data.args); return task; } setNative = patchMethod(obj, funcName, (delegate) => function (self, args) { const meta = metaCreator(self, args); if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') { return scheduleMacroTaskWithCurrentZone(meta.name, args[meta.cbIdx], meta, scheduleTask); } else { // cause an error by calling it directly. return delegate.apply(self, args); } }); } function patchMicroTask(obj, funcName, metaCreator) { let setNative = null; function scheduleTask(task) { const data = task.data; data.args[data.cbIdx] = function () { task.invoke.apply(this, arguments); }; setNative.apply(data.target, data.args); return task; } setNative = patchMethod(obj, funcName, (delegate) => function (self, args) { const meta = metaCreator(self, args); if (meta.cbIdx >= 0 && typeof args[meta.cbIdx] === 'function') { return Zone.current.scheduleMicroTask(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; } /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ Zone.__load_patch('ZoneAwarePromise', (global, Zone, api) => { const ObjectGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; const ObjectDefineProperty = Object.defineProperty; function readableObjectToString(obj) { if (obj && obj.toString === Object.prototype.toString) { const className = obj.constructor && obj.constructor.name; return (className ? className : '') + ': ' + JSON.stringify(obj); } return obj ? obj.toString() : Object.prototype.toString.call(obj); } const __symbol__ = api.symbol; const _uncaughtPromiseErrors = []; const isDisableWrappingUncaughtPromiseRejection = global[__symbol__('DISABLE_WRAPPING_UNCAUGHT_PROMISE_REJECTION')] === true; const symbolPromise = __symbol__('Promise'); const symbolThen = __symbol__('then'); const creationTrace = '__creationTrace__'; api.onUnhandledError = (e) => { if (api.showUncaughtError()) { const rejection = e && e.rejection; if (rejection) { console.error('Unhandled Promise rejection:', rejection instanceof Error ? rejection.message : rejection, '; Zone:', e.zone.name, '; Task:', e.task && e.task.source, '; Value:', rejection, rejection instanceof Error ? rejection.stack : undefined); } else { console.error(e); } } }; api.microtaskDrainDone = () => { while (_uncaughtPromiseErrors.length) { const uncaughtPromiseError = _uncaughtPromiseErrors.shift(); try { uncaughtPromiseError.zone.runGuarded(() => { if (uncaughtPromiseError.throwOriginal) { throw uncaughtPromiseError.rejection; } throw uncaughtPromiseError; }); } catch (error) { handleUnhandledRejection(error); } } }; const UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL = __symbol__('unhandledPromiseRejectionHandler'); function handleUnhandledRejection(e) { api.onUnhandledError(e); try { const handler = Zone[UNHANDLED_PROMISE_REJECTION_HANDLER_SYMBOL]; if (typeof handler === 'function') { handler.call(this, e); } } catch (err) { } } function isThenable(value) { return value && value.then; } function forwardResolution(value) { return value; } function forwardRejection(rejection) { return ZoneAwarePromise.reject(rejection); } const symbolState = __symbol__('state'); const symbolValue = __symbol__('value'); const symbolFinally = __symbol__('finally'); const symbolParentPromiseValue = __symbol__('parentPromiseValue'); const symbolParentPromiseState = __symbol__('parentPromiseState'); const source = 'Promise.then'; const UNRESOLVED = null; const RESOLVED = true; const REJECTED = false; const REJECTED_NO_CATCH = 0; function makeResolver(promise, state) { return (v) => { try { resolvePromise(promise, state, v); } catch (err) { resolvePromise(promise, false, err); } // Do not return value or you will break the Promise spec. }; } const once = function () { let wasCalled = false; return function wrapper(wrappedFunction) { return function () { if (wasCalled) { return; } wasCalled = true; wrappedFunction.apply(null, arguments); }; }; }; const TYPE_ERROR = 'Promise resolved with itself'; const CURRENT_TASK_TRACE_SYMBOL = __symbol__('currentTaskTrace'); // Promise Resolution function resolvePromise(promise, state, value) { const onceWrapper = once(); if (promise === value) { throw new TypeError(TYPE_ERROR); } if (promise[symbolState] === UNRESOLVED) { // should only get value.then once based on promise spec. let then = null; try { if (typeof value === 'object' || typeof value === 'function') { then = value && value.then; } } catch (err) { onceWrapper(() => { resolvePromise(promise, false, err); })(); return promise; } // if (value instanceof ZoneAwarePromise) { if (state !== REJECTED && value instanceof ZoneAwarePromise && value.hasOwnProperty(symbolState) && value.hasOwnProperty(symbolValue) && value[symbolState] !== UNRESOLVED) { clearRejectedNoCatch(value); resolvePromise(promise, value[symbolState], value[symbolValue]); } else if (state !== REJECTED && typeof then === 'function') { try { then.call(value, onceWrapper(makeResolver(promise, state)), onceWrapper(makeResolver(promise, false))); } catch (err) { onceWrapper(() => { resolvePromise(promise, false, err); })(); } } else { promise[symbolState] = state; const queue = promise[symbolValue]; promise[symbolValue] = value; if (promise[symbolFinally] === symbolFinally) { // the promise is generated by Promise.prototype.finally if (state === RESOLVED) { // the state is resolved, should ignore the value // and use parent promise value promise[symbolState] = promise[symbolParentPromiseState]; promise[symbolValue] = promise[symbolParentPromiseValue]; } } // record task information in value when error occurs, so we can // do some additional work such as render longStackTrace if (state === REJECTED && value instanceof Error) { // check if longStackTraceZone is here const trace = Zone.currentTask && Zone.currentTask.data && Zone.currentTask.data[creationTrace]; if (trace) { // only keep the long stack trace into error when in longStackTraceZone ObjectDefineProperty(value, CURRENT_TASK_TRACE_SYMBOL, { configurable: true, enumerable: false, writable: true, value: trace }); } } for (let i = 0; i < queue.length;) { scheduleResolveOrReject(promise, queue[i++], queue[i++], queue[i++], queue[i++]); } if (queue.length == 0 && state == REJECTED) { promise[symbolState] = REJECTED_NO_CATCH; let uncaughtPromiseError = value; try { // Here we throws a new Error to print more readable error log // and if the value is not an error, zone.js builds an `Error` // Object here to attach the stack information. throw new Error('Uncaught (in promise): ' + readableObjectToString(value) + (value && value.stack ? '\n' + value.stack : '')); } catch (err) { uncaughtPromiseError = err; } if (isDisableWrappingUncaughtPromiseRejection) { // If disable wrapping uncaught promise reject // use the value instead of wrapping it. uncaughtPromiseError.throwOriginal = true; } uncaughtPromiseError.rejection = value; uncaughtPromiseError.promise = promise; uncaughtPromiseError.zone = Zone.current; uncaughtPromiseError.task = Zone.currentTask; _uncaughtPromiseErrors.push(uncaughtPromiseError); api.scheduleMicroTask(); // to make sure that it is running } } } // Resolving an already resolved promise is a noop. return promise; } const REJECTION_HANDLED_HANDLER = __symbol__('rejectionHandledHandler'); function clearRejectedNoCatch(promise) { if (promise[symbolState] === REJECTED_NO_CATCH) { // if the promise is rejected no catch status // and queue.length > 0, means there is a error handler // here to handle the rejected promise, we should trigger // windows.rejectionhandled eventHandler or nodejs rejectionHandled // eventHandler try { const handler = Zone[REJECTION_HANDLED_HANDLER]; if (handler && typeof handler === 'function') { handler.call(this, { rejection: promise[symbolValue], promise: promise }); } } catch (err) { } promise[symbolState] = REJECTED; for (let i = 0; i < _uncaughtPromiseErrors.length; i++) { if (promise === _uncaughtPromiseErrors[i].promise) { _uncaughtPromiseErrors.splice(i, 1); } } } } function scheduleResolveOrReject(promise, zone, chainPromise, onFulfilled, onRejected) { clearRejectedNoCatch(promise); const promiseState = promise[symbolState]; const delegate = promiseState ? (typeof onFulfilled === 'function') ? onFulfilled : forwardResolution : (typeof onRejected === 'function') ? onRejected : forwardRejection; zone.scheduleMicroTask(source, () => { try { const parentPromiseValue = promise[symbolValue]; const isFinallyPromise = !!chainPromise && symbolFinally === chainPromise[symbolFinally]; if (isFinallyPromise) { // if the promise is generated from finally call, keep parent promise's state and value chainPromise[symbolParentPromiseValue] = parentPromiseValue; chainPromise[symbolParentPromiseState] = promiseState; } // should not pass value to finally callback const value = zone.run(delegate, undefined, isFinallyPromise && delegate !== forwardRejection && delegate !== forwardResolution ? [] : [parentPromiseValue]); resolvePromise(chainPromise, true, value); } catch (error) { // if error occurs, should always return this error resolvePromise(chainPromise, false, error); } }, chainPromise); } const ZONE_AWARE_PROMISE_TO_STRING = 'function ZoneAwarePromise() { [native code] }'; const noop = function () { }; class ZoneAwarePromise { static toString() { return ZONE_AWARE_PROMISE_TO_STRING; } static resolve(value) { return resolvePromise(new this(null), RESOLVED, value); } static reject(error) { return resolvePromise(new this(null), REJECTED, error); } static race(values) { let resolve; let reject; let promise = new this((res, rej) => { resolve = res; reject = rej; }); function onResolve(value) { resolve(value); } function onReject(error) { reject(error); } for (let value of values) { if (!isThenable(value)) { value = this.resolve(value); } value.then(onResolve, onReject); } return promise; } static all(values) { return ZoneAwarePromise.allWithCallback(values); } static allSettled(values) { const P = this && this.prototype instanceof ZoneAwarePromise ? this : ZoneAwarePromise; return P.allWithCallback(values, { thenCallback: (value) => ({ status: 'fulfilled', value }), errorCallback: (err) => ({ status: 'rejected', reason: err }) }); } static allWithCallback(values, callback) { let resolve; let reject; let promise = new this((res, rej) => { resolve = res; reject = rej; }); // Start at 2 to prevent prematurely resolving if .then is called immediately. let unresolvedCount = 2; let valueIndex = 0; const resolvedValues = []; for (let value of values) { if (!isThenable(value)) { value = this.resolve(value); } const curValueIndex = valueIndex; try { value.then((value) => { resolvedValues[curValueIndex] = callback ? callback.thenCallback(value) : value; unresolvedCount--; if (unresolvedCount === 0) { resolve(resolvedValues); } }, (err) => { if (!callback) { reject(err); } else { resolvedValues[curValueIndex] = callback.errorCallback(err); unresolvedCount--; if (unresolvedCount === 0) { resolve(resolvedValues); } } }); } catch (thenErr) { reject(thenErr); } unresolvedCount++; valueIndex++; } // Make the unresolvedCount zero-based again. unresolvedCount -= 2; if (unresolvedCount === 0) { resolve(resolvedValues); } return promise; } constructor(executor) { const promise = this; if (!(promise instanceof ZoneAwarePromise)) { throw new Error('Must be an instanceof Promise.'); } promise[symbolState] = UNRESOLVED; promise[symbolValue] = []; // queue; try { executor && executor(makeResolver(promise, RESOLVED), makeResolver(promise, REJECTED)); } catch (error) { resolvePromise(promise, false, error); } } get [Symbol.toStringTag]() { return 'Promise'; } get [Symbol.species]() { return ZoneAwarePromise; } then(onFulfilled, onRejected) { let C = this.constructor[Symbol.species]; if (!C || typeof C !== 'function') { C = this.constructor || ZoneAwarePromise; } const chainPromise = new C(noop); const zone = Zone.current; if (this[symbolState] == UNRESOLVED) { this[symbolValue].push(zone, chainPromise, onFulfilled, onRejected); } else { scheduleResolveOrReject(this, zone, chainPromise, onFulfilled, onRejected); } return chainPromise; } catch(onRejected) { return this.then(null, onRejected); } finally(onFinally) { let C = this.constructor[Symbol.species]; if (!C || typeof C !== 'function') { C = ZoneAwarePromise; } const chainPromise = new C(noop); chainPromise[symbolFinally] = symbolFinally; const zone = Zone.current; if (this[symbolState] == UNRESOLVED) { this[symbolValue].push(zone, chainPromise, onFinally, onFinally); } else { scheduleResolveOrReject(this, zone, chainPromise, onFinally, onFinally); } return chainPromise; } } // Protect against aggressive optimizers dropping seemingly unused properties. // E.g. Closure Compiler in advanced mode. ZoneAwarePromise['resolve'] = ZoneAwarePromise.resolve; ZoneAwarePromise['reject'] = ZoneAwarePromise.reject; ZoneAwarePromise['race'] = ZoneAwarePromise.race; ZoneAwarePromise['all'] = ZoneAwarePromise.all; const NativePromise = global[symbolPromise] = global['Promise']; global['Promise'] = ZoneAwarePromise; const symbolThenPatched = __symbol__('thenPatched'); function patchThen(Ctor) { const proto = Ctor.prototype; const prop = ObjectGetOwnPropertyDescriptor(proto, 'then'); if (prop && (prop.writable === false || !prop.configurable)) { // check Ctor.prototype.then propertyDescriptor is writable or not // in meteor env, writable is false, we should ignore such case return; } const originalThen = proto.then; // Keep a reference to the original method. proto[symbolThen] = originalThen; Ctor.prototype.then = function (onResolve, onReject) { const wrapped = new ZoneAwarePromise((resolve, reject) => { originalThen.call(this, resolve, reject); }); return wrapped.then(onResolve, onReject); }; Ctor[symbolThenPatched] = true; } api.patchThen = patchThen; function zoneify(fn) { return function (self, args) { let resultPromise = fn.apply(self, args); if (resultPromise instanceof ZoneAwarePromise) { return resultPromise; } let ctor = resultPromise.constructor; if (!ctor[symbolThenPatched]) { patchThen(ctor); } return resultPromise; }; } if (NativePromise) { patchThen(NativePromise); patchMethod(global, 'fetch', delegate => zoneify(delegate)); } // 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 LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ // override Function.prototype.toString to make zone.js patched function // look like native function Zone.__load_patch('toString', (global) => { // patch Func.prototype.toString to let them look like native const originalFunctionToString = Function.prototype.toString; const ORIGINAL_DELEGATE_SYMBOL = zoneSymbol('OriginalDelegate'); const PROMISE_SYMBOL = zoneSymbol('Promise'); const ERROR_SYMBOL = zoneSymbol('Error'); const newFunctionToString = function toString() { if (typeof this === 'function') { const originalDelegate = this[ORIGINAL_DELEGATE_SYMBOL]; if (originalDelegate) { if (typeof originalDelegate === 'function') { return originalFunctionToString.call(originalDelegate); } else { return Object.prototype.toString.call(originalDelegate); } } if (this === Promise) { const nativePromise = global[PROMISE_SYMBOL]; if (nativePromise) { return originalFunctionToString.call(nativePromise); } } if (this === Error) { const nativeError = global[ERROR_SYMBOL]; if (nativeError) { return originalFunctionToString.call(nativeError); } } } return originalFunctionToString.call(this); }; newFunctionToString[ORIGINAL_DELEGATE_SYMBOL] = originalFunctionToString; Function.prototype.toString = newFunctionToString; // patch Object.prototype.toString to let them look like native const originalObjectToString = Object.prototype.toString; const PROMISE_OBJECT_TO_STRING = '[object Promise]'; Object.prototype.toString = function () { if (typeof Promise === 'function' && this instanceof Promise) { return PROMISE_OBJECT_TO_STRING; } return originalObjectToString.call(this); }; }); /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ Zone.__load_patch('node_util', (global, Zone, api) => { api.patchOnProperties = patchOnProperties; api.patchMethod = patchMethod; api.bindArguments = bindArguments; api.patchMacroTask = patchMacroTask; setShouldCopySymbolProperties(true); }); /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ let passiveSupported = false; if (typeof window !== 'undefined') { try { const options = Object.defineProperty({}, 'passive', { get: function () { passiveSupported = true; } }); window.addEventListener('test', options, options); window.removeEventListener('test', options, options); } catch (err) { passiveSupported = false; } } // an identifier to tell ZoneTask do not create a new invoke closure const OPTIMIZED_ZONE_EVENT_TASK_DATA = { useG: true }; const zoneSymbolEventNames$1 = {}; const globalSources = {}; const EVENT_NAME_SYMBOL_REGX = new RegExp('^' + ZONE_SYMBOL_PREFIX + '(\\w+)(true|false)$'); const IMMEDIATE_PROPAGATION_SYMBOL = zoneSymbol('propagationStopped'); function prepareEventNames(eventName, eventNameToString) { const falseEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + FALSE_STR; const trueEventName = (eventNameToString ? eventNameToString(eventName) : eventName) + TRUE_STR; const symbol = ZONE_SYMBOL_PREFIX + falseEventName; const symbolCapture = ZONE_SYMBOL_PREFIX + trueEventName; zoneSymbolEventNames$1[eventName] = {}; zoneSymbolEventNames$1[eventName][FALSE_STR] = symbol; zoneSymbolEventNames$1[eventName][TRUE_STR] = symbolCapture; } function patchEventTarget(_global, apis, patchOptions) { const ADD_EVENT_LISTENER = (patchOptions && patchOptions.add) || ADD_EVENT_LISTENER_STR; const REMOVE_EVENT_LISTENER = (patchOptions && patchOptions.rm) || REMOVE_EVENT_LISTENER_STR; const LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.listeners) || 'eventListeners'; const REMOVE_ALL_LISTENERS_EVENT_LISTENER = (patchOptions && patchOptions.rmAll) || 'removeAllListeners'; const zoneSymbolAddEventListener = zoneSymbol(ADD_EVENT_LISTENER); const ADD_EVENT_LISTENER_SOURCE = '.' + ADD_EVENT_LISTENER + ':'; const PREPEND_EVENT_LISTENER = 'prependListener'; const PREPEND_EVENT_LISTENER_SOURCE = '.' + PREPEND_EVENT_LISTENER + ':'; const invokeTask = function (task, target, event) { // for better performance, check isRemoved which is set // by removeEventListener if (task.isRemoved) { return; } const delegate = task.callback; if (typeof delegate === 'object' && delegate.handleEvent) { // create the bind version of handleEvent when invoke task.callback = (event) => delegate.handleEvent(event); task.originalDelegate = delegate; } // invoke static task.invoke task.invoke(task, target, [event]); const options = task.options; if (options && typeof options === 'object' && options.once) { // if options.once is true, after invoke once remove listener here // only browser need to do this, nodejs eventEmitter will cal removeListener // inside EventEmitter.once const delegate = task.originalDelegate ? task.originalDelegate : task.callback; target[REMOVE_EVENT_LISTENER].call(target, event.type, delegate, options); } }; // global shared zoneAwareCallback to handle all event callback with capture = false const globalZoneAwareCallback = function (event) { // https://github.com/angular/zone.js/issues/911, in IE, sometimes // event will be undefined, so we need to use window.event event = event || _global.event; if (!event) { return; } // event.target is needed for Samsung TV and SourceBuffer // || global is needed https://github.com/angular/zone.js/issues/190 const target = this || event.target || _global; const tasks = target[zoneSymbolEventNames$1[event.type][FALSE_STR]]; if (tasks) { // invoke all tasks which attached to current target with given event.type and capture = false // for performance concern, if task.length === 1, just invoke if (tasks.length === 1) { invokeTask(tasks[0], target, event); } else { // https://github.com/angular/zone.js/issues/836 // copy the tasks array before invoke, to avoid // the callback will remove itself or other listener const copyTasks = tasks.slice(); for (let i = 0; i < copyTasks.length; i++) { if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) { break; } invokeTask(copyTasks[i], target, event); } } } }; // global shared zoneAwareCallback to handle all event callback with capture = true const globalZoneAwareCaptureCallback = function (event) { // https://github.com/angular/zone.js/issues/911, in IE, sometimes // event will be undefined, so we need to use window.event event = event || _global.event; if (!event) { return; } // event.target is needed for Samsung TV and SourceBuffer // || global is needed https://github.com/angular/zone.js/issues/190 const target = this || event.target || _global; const tasks = target[zoneSymbolEventNames$1[event.type][TRUE_STR]]; if (tasks) { // invoke all tasks which attached to current target with given event.type and capture = false // for performance concern, if task.length === 1, just invoke if (tasks.length === 1) { invokeTask(tasks[0], target, event); } else { // https://github.com/angular/zone.js/issues/836 // copy the tasks array before invoke, to avoid // the callback will remove itself or other listener const copyTasks = tasks.slice(); for (let i = 0; i < copyTasks.length; i++) { if (event && event[IMMEDIATE_PROPAGATION_SYMBOL] === true) { break; } invokeTask(copyTasks[i], target, event); } } } }; function patchEventTargetMethods(obj, patchOptions) { if (!obj) { return false; } let useGlobalCallback = true; if (patchOptions && patchOptions.useG !== undefined) { useGlobalCallback = patchOptions.useG; } const validateHandler = patchOptions && patchOptions.vh; let checkDuplicate = true; if (patchOptions && patchOptions.chkDup !== undefined) { checkDuplicate = patchOptions.chkDup; } let returnTarget = false; if (patchOptions && patchOptions.rt !== undefined) { returnTarget = patchOptions.rt; } let proto = obj; while (proto && !proto.hasOwnProperty(ADD_EVENT_LISTENER)) { proto = ObjectGetPrototypeOf(proto); } if (!proto && obj[ADD_EVENT_LISTENER]) { // somehow we did not find it, but we can see it. This happens on IE for Window properties. proto = obj; } if (!proto) { return false; } if (proto[zoneSymbolAddEventListener]) { return false; } const eventNameToString = patchOptions && patchOptions.eventNameToString; // a shared global taskData to pass data for scheduleEventTask // so we do not need to create a new object just for pass some data const taskData = {}; const nativeAddEventListener = proto[zoneSymbolAddEventListener] = proto[ADD_EVENT_LISTENER]; const nativeRemoveEventListener = proto[zoneSymbol(REMOVE_EVENT_LISTENER)] = proto[REMOVE_EVENT_LISTENER]; const nativeListeners = proto[zoneSymbol(LISTENERS_EVENT_LISTENER)] = proto[LISTENERS_EVENT_LISTENER]; const nativeRemoveAllListeners = proto[zoneSymbol(REMOVE_ALL_LISTENERS_EVENT_LISTENER)] = proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER]; let nativePrependEventListener; if (patchOptions && patchOptions.prepend) { nativePrependEventListener = proto[zoneSymbol(patchOptions.prepend)] = proto[patchOptions.prepend]; } /** * This util function will build an option object with passive option * to handle all possible input from the user. */ function buildEventListenerOptions(options, passive) { if (!passiveSupported && typeof options === 'object' && options) { // doesn't support passive but user want to pass an object as options. // this will not work on some old browser, so we just pass a boolean // as useCapture parameter return !!options.capture; } if (!passiveSupported || !passive) { return options; } if (typeof options === 'boolean') { return { capture: options, passive: true }; } if (!options) { return { passive: true }; } if (typeof options === 'object' && options.passive !== false) { return Object.assign(Object.assign({}, options), { passive: true }); } return options; } const customScheduleGlobal = function (task) { // if there is already a task for the eventName + capture, // just return, because we use the shared globalZoneAwareCallback here. if (taskData.isExisting) { return; } return nativeAddEventListener.call(taskData.target, taskData.eventName, taskData.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, taskData.options); }; const customCancelGlobal = function (task) { // if task is not marked as isRemoved, this call is directly // from Zone.prototype.cancelTask, we should remove the task // from tasksList of target first if (!task.isRemoved) { const symbolEventNames = zoneSymbolEventNames$1[task.eventName]; let symbolEventName; if (symbolEventNames) { symbolEventName = symbolEventNames[task.capture ? TRUE_STR : FALSE_STR]; } const existingTasks = symbolEventName && task.target[symbolEventName]; if (existingTasks) { for (let i = 0; i < existingTasks.length; i++) { const existingTask = existingTasks[i]; if (existingTask === task) { existingTasks.splice(i, 1); // set isRemoved to data for faster invokeTask check task.isRemoved = true; if (existingTasks.length === 0) { // all tasks for the eventName + capture have gone, // remove globalZoneAwareCallback and remove the task cache from target task.allRemoved = true; task.target[symbolEventName] = null; } break; } } } } // if all tasks for the eventName + capture have gone, // we will really remove the global event callback, // if not, return if (!task.allRemoved) { return; } return nativeRemoveEventListener.call(task.target, task.eventName, task.capture ? globalZoneAwareCaptureCallback : globalZoneAwareCallback, task.options); }; const customScheduleNonGlobal = function (task) { return nativeAddEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options); }; const customSchedulePrepend = function (task) { return nativePrependEventListener.call(taskData.target, taskData.eventName, task.invoke, taskData.options); }; const customCancelNonGlobal = function (task) { return nativeRemoveEventListener.call(task.target, task.eventName, task.invoke, task.options); }; const customSchedule = useGlobalCallback ? customScheduleGlobal : customScheduleNonGlobal; const customCancel = useGlobalCallback ? customCancelGlobal : customCancelNonGlobal; const compareTaskCallbackVsDelegate = function (task, delegate) { const typeOfDelegate = typeof delegate; return (typeOfDelegate === 'function' && task.callback === delegate) || (typeOfDelegate === 'object' && task.originalDelegate === delegate); }; const compare = (patchOptions && patchOptions.diff) ? patchOptions.diff : compareTaskCallbackVsDelegate; const unpatchedEvents = Zone[zoneSymbol('UNPATCHED_EVENTS')]; const passiveEvents = _global[zoneSymbol('PASSIVE_EVENTS')]; const makeAddListener = function (nativeListener, addSource, customScheduleFn, customCancelFn, returnTarget = false, prepend = false) { return function () { const target = this || _global; let eventName = arguments[0]; if (patchOptions && patchOptions.transferEventName) { eventName = patchOptions.transferEventName(eventName); } let delegate = arguments[1]; if (!delegate) { return nativeListener.apply(this, arguments); } if (isNode && eventName === 'uncaughtException') { // don't patch uncaughtException of nodejs to prevent endless loop return nativeListener.apply(this, arguments); } // don't create the bind delegate function for handleEvent // case here to improve addEventListener performance // we will create the bind delegate when invoke let isHandleEvent = false; if (typeof delegate !== 'function') { if (!delegate.handleEvent) { return nativeListener.apply(this, arguments); } isHandleEvent = true; } if (validateHandler && !validateHandler(nativeListener, delegate, target, arguments)) { return; } const passive = passiveSupported && !!passiveEvents && passiveEvents.indexOf(eventName) !== -1; const options = buildEventListenerOptions(arguments[2], passive); if (unpatchedEvents) { // check upatched list for (let i = 0; i < unpatchedEvents.length; i++) { if (eventName === unpatchedEvents[i]) { if (passive) { return nativeListener.call(target, eventName, delegate, options); } else { return nativeListener.apply(this, arguments); } } } } const capture = !options ? false : typeof options === 'boolean' ? true : options.capture; const once = options && typeof options === 'object' ? options.once : false; const zone = Zone.current; let symbolEventNames = zoneSymbolEventNames$1[eventName]; if (!symbolEventNames) { prepareEventNames(eventName, eventNameToString); symbolEventNames = zoneSymbolEventNames$1[eventName]; } const symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR]; let existingTasks = target[symbolEventName]; let isExisting = false; if (existingTasks) { // already have task registered isExisting = true; if (checkDuplicate) { for (let i = 0; i < existingTasks.length; i++) { if (compare(existingTasks[i], delegate)) { // same callback, same capture, same event name, just return return; } } } } else { existingTasks = target[symbolEventName] = []; } let source; const constructorName = target.constructor['name']; const targetSource = globalSources[constructorName]; if (targetSource) { source = targetSource[eventName]; } if (!source) { source = constructorName + addSource + (eventNameToString ? eventNameToString(eventName) : eventName); } // do not create a new object as task.data to pass those things // just use the global shared one taskData.options = options; if (once) { // if addEventListener with once options, we don't pass it to // native addEventListener, instead we keep the once setting // and handle ourselves. taskData.options.once = false; } taskData.target = target; taskData.capture = capture; taskData.eventName = eventName; taskData.isExisting = isExisting; const data = useGlobalCallback ? OPTIMIZED_ZONE_EVENT_TASK_DATA : undefined; // keep taskData into data to allow onScheduleEventTask to access the task information if (data) { data.taskData = taskData; } const task = zone.scheduleEventTask(source, delegate, data, customScheduleFn, customCancelFn); // should clear taskData.target to avoid memory leak // issue, https://github.com/angular/angular/issues/20442 taskData.target = null; // need to clear up taskData because it is a global object if (data) { data.taskData = null; } // have to save those information to task in case // application may call task.zone.cancelTask() directly if (once) { options.once = true; } if (!(!passiveSupported && typeof task.options === 'boolean')) { // if not support passive, and we pass an option object // to addEventListener, we should save the options to task task.options = options; } task.target = target; task.capture = capture; task.eventName = eventName; if (isHandleEvent) { // save original delegate for compare to check duplicate task.originalDelegate = delegate; } if (!prepend) { existingTasks.push(task); } else { existingTasks.unshift(task); } if (returnTarget) { return target; } }; }; proto[ADD_EVENT_LISTENER] = makeAddListener(nativeAddEventListener, ADD_EVENT_LISTENER_SOURCE, customSchedule, customCancel, returnTarget); if (nativePrependEventListener) { proto[PREPEND_EVENT_LISTENER] = makeAddListener(nativePrependEventListener, PREPEND_EVENT_LISTENER_SOURCE, customSchedulePrepend, customCancel, returnTarget, true); } proto[REMOVE_EVENT_LISTENER] = function () { const target = this || _global; let eventName = arguments[0]; if (patchOptions && patchOptions.transferEventName) { eventName = patchOptions.transferEventName(eventName); } const options = arguments[2]; const capture = !options ? false : typeof options === 'boolean' ? true : options.capture; const delegate = arguments[1]; if (!delegate) { return nativeRemoveEventListener.apply(this, arguments); } if (validateHandler && !validateHandler(nativeRemoveEventListener, delegate, target, arguments)) { return; } const symbolEventNames = zoneSymbolEventNames$1[eventName]; let symbolEventName; if (symbolEventNames) { symbolEventName = symbolEventNames[capture ? TRUE_STR : FALSE_STR]; } const existingTasks = symbolEventName && target[symbolEventName]; if (existingTasks) { for (let i = 0; i < existingTasks.length; i++) { const existingTask = existingTasks[i]; if (compare(existingTask, delegate)) { existingTasks.splice(i, 1); // set isRemoved to data for faster invokeTask check existingTask.isRemoved = true; if (existingTasks.length === 0) { // all tasks for the eventName + capture have gone, // remove globalZoneAwareCallback and remove the task cache from target existingTask.allRemoved = true; target[symbolEventName] = null; // in the target, we have an event listener which is added by on_property // such as target.onclick = function() {}, so we need to clear this internal // property too if all delegates all removed if (typeof eventName === 'string') { const onPropertySymbol = ZONE_SYMBOL_PREFIX + 'ON_PROPERTY' + eventName; target[onPropertySymbol] = null; } } existingTask.zone.cancelTask(existingTask); if (returnTarget) { return target; } return; } } } // issue 930, didn't find the event name or callback // from zone kept existingTasks, the callback maybe // added outside of zone, we need to call native removeEventListener // to try to remove it. return nativeRemoveEventListener.apply(this, arguments); }; proto[LISTENERS_EVENT_LISTENER] = function () { const target = this || _global; let eventName = arguments[0]; if (patchOptions && patchOptions.transferEventName) { eventName = patchOptions.transferEventName(eventName); } const listeners = []; const tasks = findEventTasks(target, eventNameToString ? eventNameToString(eventName) : eventName); for (let i = 0; i < tasks.length; i++) { const task = tasks[i]; let delegate = task.originalDelegate ? task.originalDelegate : task.callback; listeners.push(delegate); } return listeners; }; proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER] = function () { const target = this || _global; let eventName = arguments[0]; if (!eventName) { const keys = Object.keys(target); for (let i = 0; i < keys.length; i++) { const prop = keys[i]; const match = EVENT_NAME_SYMBOL_REGX.exec(prop); let evtName = match && match[1]; // in nodejs EventEmitter, removeListener event is // used for monitoring the removeListener call, // so just keep removeListener eventListener until // all other eventListeners are removed if (evtName && evtName !== 'removeListener') { this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, evtName); } } // remove removeListener listener finally this[REMOVE_ALL_LISTENERS_EVENT_LISTENER].call(this, 'removeListener'); } else { if (patchOptions && patchOptions.transferEventName) { eventName = patchOptions.transferEventName(eventName); } const symbolEventNames = zoneSymbolEventNames$1[eventName]; if (symbolEventNames) { const symbolEventName = symbolEventNames[FALSE_STR]; const symbolCaptureEventName = symbolEventNames[TRUE_STR]; const tasks = target[symbolEventName]; const captureTasks = target[symbolCaptureEventName]; if (tasks) { const removeTasks = tasks.slice(); for (let i = 0; i < removeTasks.length; i++) { const task = removeTasks[i]; let delegate = task.originalDelegate ? task.originalDelegate : task.callback; this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options); } } if (captureTasks) { const removeTasks = captureTasks.slice(); for (let i = 0; i < removeTasks.length; i++) { const task = removeTasks[i]; let delegate = task.originalDelegate ? task.originalDelegate : task.callback; this[REMOVE_EVENT_LISTENER].call(this, eventName, delegate, task.options); } } } } if (returnTarget) { return this; } }; // for native toString patch attachOriginToPatched(proto[ADD_EVENT_LISTENER], nativeAddEventListener); attachOriginToPatched(proto[REMOVE_EVENT_LISTENER], nativeRemoveEventListener); if (nativeRemoveAllListeners) { attachOriginToPatched(proto[REMOVE_ALL_LISTENERS_EVENT_LISTENER], nativeRemoveAllListeners); } if (nativeListeners) { attachOriginToPatched(proto[LISTENERS_EVENT_LISTENER], nativeListeners); } return true; } let results = []; for (let i = 0; i < apis.length; i++) { results[i] = patchEventTargetMethods(apis[i], patchOptions); } return results; } function findEventTasks(target, eventName) { if (!eventName) { const foundTasks = []; for (let prop in target) { const match = EVENT_NAME_SYMBOL_REGX.exec(prop); let evtName = match && match[1]; if (evtName && (!eventName || evtName === eventName)) { const tasks = target[prop]; if (tasks) { for (let i = 0; i < tasks.length; i++) { foundTasks.push(tasks[i]); } } } } return foundTasks; } let symbolEventName = zoneSymbolEventNames$1[eventName]; if (!symbolEventName) { prepareEventNames(eventName); symbolEventName = zoneSymbolEventNames$1[eventName]; } const captureFalseTasks = target[symbolEventName[FALSE_STR]]; const captureTrueTasks = target[symbolEventName[TRUE_STR]]; if (!captureFalseTasks) { return captureTrueTasks ? captureTrueTasks.slice() : []; } else { return captureTrueTasks ? captureFalseTasks.concat(captureTrueTasks) : captureFalseTasks.slice(); } } /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ Zone.__load_patch('EventEmitter', (global) => { // For EventEmitter const EE_ADD_LISTENER = 'addListener'; const EE_PREPEND_LISTENER = 'prependListener'; const EE_REMOVE_LISTENER = 'removeListener'; const EE_REMOVE_ALL_LISTENER = 'removeAllListeners'; const EE_LISTENERS = 'listeners'; const EE_ON = 'on'; const EE_OFF = 'off'; const compareTaskCallbackVsDelegate = function (task, delegate) { // same callback, same capture, same event name, just return return task.callback === delegate || task.callback.listener === delegate; }; const eventNameToString = function (eventName) { if (typeof eventName === 'string') { return eventName; } if (!eventName) { return ''; } return eventName.toString().replace('(', '_').replace(')', '_'); }; function patchEventEmitterMethods(obj) { const result = patchEventTarget(global, [obj], { useG: false, add: EE_ADD_LISTENER, rm: EE_REMOVE_LISTENER, prepend: EE_PREPEND_LISTENER, rmAll: EE_REMOVE_ALL_LISTENER, listeners: EE_LISTENERS, chkDup: false, rt: true, diff: compareTaskCallbackVsDelegate, eventNameToString: eventNameToString }); if (result && result[0]) { obj[EE_ON] = obj[EE_ADD_LISTENER]; obj[EE_OFF] = obj[EE_REMOVE_LISTENER]; } } // EventEmitter let events; try { events = require('events'); } catch (err) { } if (events && events.EventEmitter) { patchEventEmitterMethods(events.EventEmitter.prototype); } }); /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ Zone.__load_patch('fs', () => { let fs; try { fs = require('fs'); } catch (err) { } // watch, watchFile, unwatchFile has been patched // because EventEmitter has been patched const TO_PATCH_MACROTASK_METHODS = [ 'access', 'appendFile', 'chmod', 'chown', 'close', 'exists', 'fchmod', 'fchown', 'fdatasync', 'fstat', 'fsync', 'ftruncate', 'futimes', 'lchmod', 'lchown', 'link', 'lstat', 'mkdir', 'mkdtemp', 'open', 'read', 'readdir', 'readFile', 'readlink', 'realpath', 'rename', 'rmdir', 'stat', 'symlink', 'truncate', 'unlink', 'utimes', 'write', 'writeFile', ]; if (fs) { TO_PATCH_MACROTASK_METHODS.filter(name => !!fs[name] && typeof fs[name] === 'function') .forEach(name => { patchMacroTask(fs, name, (self, args) => { return { name: 'fs.' + name, args: args, cbIdx: args.length > 0 ? args.length - 1 : -1, target: self }; }); }); } }); /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ const taskSymbol = zoneSymbol('zoneTask'); function patchTimer(window, setName, cancelName, nameSuffix) { let setNative = null; let clearNative = null; setName += nameSuffix; cancelName += nameSuffix; const tasksByHandleId = {}; function scheduleTask(task) { const data = task.data; data.args[0] = function () { return task.invoke.apply(this, arguments); }; data.handleId = setNative.apply(window, data.args); return task; } function clearTask(task) { return clearNative.call(window, task.data.handleId); } setNative = patchMethod(window, setName, (delegate) => function (self, args) { if (typeof args[0] === 'function') { const options = { isPeriodic: nameSuffix === 'Interval', delay: (nameSuffix === 'Timeout' || nameSuffix === 'Interval') ? args[1] || 0 : undefined, args: args }; const callback = args[0]; args[0] = function timer() { try { return callback.apply(this, arguments); } finally { // issue-934, task will be cancelled // even it is a periodic task such as // setInterval // https://github.com/angular/angular/issues/40387 // Cleanup tasksByHandleId should be handled before scheduleTask // Since some zoneSpec may intercept and doesn't trigger // scheduleFn(scheduleTask) provided here. if (!(options.isPeriodic)) { if (typeof options.handleId === 'number') { // in non-nodejs env, we remove timerId // from local cache delete tasksByHandleId[options.handleId]; } else if (options.handleId) { // Node returns complex objects as handleIds // we remove task reference from timer object options.handleId[taskSymbol] = null; } } } }; const task = scheduleMacroTaskWithCurrentZone(setName, args[0], options, scheduleTask, clearTask); if (!task) { return task; } // Node.js must additionally support the ref and unref functions. const handle = task.data.handleId; if (typeof handle === 'number') { // for non nodejs env, we save handleId: task // mapping in local cache for clearTimeout tasksByHandleId[handle] = task; } else if (handle) { // for nodejs env, we save task // reference in timerId Object for clearTimeout handle[taskSymbol] = task; } // check whether handle is null, because some polyfill or browser // may return undefined from setTimeout/setInterval/setImmediate/requestAnimationFrame if (handle && handle.ref && handle.unref && typeof handle.ref === 'function' && typeof handle.unref === 'function') { task.ref = handle.ref.bind(handle); task.unref = handle.unref.bind(handle); } if (typeof handle === 'number' || handle) { return handle; } return task; } else { // cause an error by calling it directly. return delegate.apply(window, args); } }); clearNative = patchMethod(window, cancelName, (delegate) => function (self, args) { const id = args[0]; let task; if (typeof id === 'number') { // non nodejs env. task = tasksByHandleId[id]; } else { // nodejs env. task = id && id[taskSymbol]; // other environments. if (!task) { task = id; } } if (task && typeof task.type === 'string') { if (task.state !== 'notScheduled' && (task.cancelFn && task.data.isPeriodic || task.runCount === 0)) { if (typeof id === 'number') { delete tasksByHandleId[id]; } else if (id) { id[taskSymbol] = null; } // Do not cancel already canceled functions task.zone.cancelTask(task); } } else { // cause an error by calling it directly. delegate.apply(window, args); } }); } /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ const set = 'set'; const clear = 'clear'; Zone.__load_patch('node_timers', (global, Zone) => { // Timers let globalUseTimeoutFromTimer = false; try { const timers = require('timers'); let globalEqualTimersTimeout = global.setTimeout === timers.setTimeout; if (!globalEqualTimersTimeout && !isMix) { // 1. if isMix, then we are in mix environment such as Electron // we should only patch timers.setTimeout because global.setTimeout // have been patched // 2. if global.setTimeout not equal timers.setTimeout, check // whether global.setTimeout use timers.setTimeout or not const originSetTimeout = timers.setTimeout; timers.setTimeout = function () { globalUseTimeoutFromTimer = true; return originSetTimeout.apply(this, arguments); }; const detectTimeout = global.setTimeout(() => { }, 100); clearTimeout(detectTimeout); timers.setTimeout = originSetTimeout; } patchTimer(timers, set, clear, 'Timeout'); patchTimer(timers, set, clear, 'Interval'); patchTimer(timers, set, clear, 'Immediate'); } catch (error) { // timers module not exists, for example, when we using nativeScript // timers is not available } if (isMix) { // if we are in mix environment, such as Electron, // the global.setTimeout has already been patched, // so we just patch timers.setTimeout return; } if (!globalUseTimeoutFromTimer) { // 1. global setTimeout equals timers setTimeout // 2. or global don't use timers setTimeout(maybe some other library patch setTimeout) // 3. or load timers module error happens, we should patch global setTimeout patchTimer(global, set, clear, 'Timeout'); patchTimer(global, set, clear, 'Interval'); patchTimer(global, set, clear, 'Immediate'); } else { // global use timers setTimeout, but not equals // this happens when use nodejs v0.10.x, global setTimeout will // use a lazy load version of timers setTimeout // we should not double patch timer's setTimeout // so we only store the __symbol__ for consistency global[Zone.__symbol__('setTimeout')] = global.setTimeout; global[Zone.__symbol__('setInterval')] = global.setInterval; global[Zone.__symbol__('setImmediate')] = global.setImmediate; } }); // patch process related methods Zone.__load_patch('nextTick', () => { // patch nextTick as microTask patchMicroTask(process, 'nextTick', (self, args) => { return { name: 'process.nextTick', args: args, cbIdx: (args.length > 0 && typeof args[0] === 'function') ? 0 : -1, target: process }; }); }); Zone.__load_patch('handleUnhandledPromiseRejection', (global, Zone, api) => { Zone[api.symbol('unhandledPromiseRejectionHandler')] = findProcessPromiseRejectionHandler('unhandledRejection'); Zone[api.symbol('rejectionHandledHandler')] = findProcessPromiseRejectionHandler('rejectionHandled'); // handle unhandled promise rejection function findProcessPromiseRejectionHandler(evtName) { return function (e) { const eventTasks = findEventTasks(process, evtName); eventTasks.forEach(eventTask => { // process has added unhandledrejection event listener // trigger the event listener if (evtName === 'unhandledRejection') { eventTask.invoke(e.rejection, e.promise); } else if (evtName === 'rejectionHandled') { eventTask.invoke(e.promise); } }); }; } }); // Crypto Zone.__load_patch('crypto', () => { let crypto; try { crypto = require('crypto'); } catch (err) { } // use the generic patchMacroTask to patch crypto if (crypto) { const methodNames = ['randomBytes', 'pbkdf2']; methodNames.forEach(name => { patchMacroTask(crypto, name, (self, args) => { return { name: 'crypto.' + name, args: args, cbIdx: (args.length > 0 && typeof args[args.length - 1] === 'function') ? args.length - 1 : -1, target: crypto }; }); }); } }); Zone.__load_patch('console', (global, Zone) => { const consoleMethods = ['dir', 'log', 'info', 'error', 'warn', 'assert', 'debug', 'timeEnd', 'trace']; consoleMethods.forEach((m) => { const originalMethod = console[Zone.__symbol__(m)] = console[m]; if (originalMethod) { console[m] = function () { const args = ArraySlice.call(arguments); if (Zone.current === Zone.root) { return originalMethod.apply(this, args); } else { return Zone.root.run(originalMethod, this, args); } }; } }); });