776 lines
38 KiB
JavaScript
Executable file
776 lines
38 KiB
JavaScript
Executable file
'use strict';
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var __spreadArrays = (this && this.__spreadArrays) || function () {
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for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
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for (var r = Array(s), k = 0, i = 0; i < il; i++)
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for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
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r[k] = a[j];
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return r;
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};
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/**
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* @license Angular v12.0.0-next.0
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* (c) 2010-2020 Google LLC. https://angular.io/
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* License: MIT
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*/
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(function (factory) {
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typeof define === 'function' && define.amd ? define(factory) :
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factory();
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}((function () {
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'use strict';
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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(function (global) {
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var OriginalDate = global.Date;
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// Since when we compile this file to `es2015`, and if we define
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// this `FakeDate` as `class FakeDate`, and then set `FakeDate.prototype`
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// there will be an error which is `Cannot assign to read only property 'prototype'`
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// so we need to use function implementation here.
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function FakeDate() {
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if (arguments.length === 0) {
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var d = new OriginalDate();
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d.setTime(FakeDate.now());
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return d;
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}
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else {
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var args = Array.prototype.slice.call(arguments);
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return new (OriginalDate.bind.apply(OriginalDate, __spreadArrays([void 0], args)))();
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}
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}
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FakeDate.now = function () {
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var fakeAsyncTestZoneSpec = Zone.current.get('FakeAsyncTestZoneSpec');
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if (fakeAsyncTestZoneSpec) {
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return fakeAsyncTestZoneSpec.getFakeSystemTime();
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}
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return OriginalDate.now.apply(this, arguments);
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};
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FakeDate.UTC = OriginalDate.UTC;
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FakeDate.parse = OriginalDate.parse;
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// keep a reference for zone patched timer function
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var timers = {
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setTimeout: global.setTimeout,
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setInterval: global.setInterval,
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clearTimeout: global.clearTimeout,
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clearInterval: global.clearInterval
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};
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var Scheduler = /** @class */ (function () {
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function Scheduler() {
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// Scheduler queue with the tuple of end time and callback function - sorted by end time.
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this._schedulerQueue = [];
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// Current simulated time in millis.
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this._currentTickTime = 0;
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// Current fake system base time in millis.
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this._currentFakeBaseSystemTime = OriginalDate.now();
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// track requeuePeriodicTimer
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this._currentTickRequeuePeriodicEntries = [];
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}
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Scheduler.prototype.getCurrentTickTime = function () {
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return this._currentTickTime;
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};
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Scheduler.prototype.getFakeSystemTime = function () {
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return this._currentFakeBaseSystemTime + this._currentTickTime;
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};
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Scheduler.prototype.setFakeBaseSystemTime = function (fakeBaseSystemTime) {
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this._currentFakeBaseSystemTime = fakeBaseSystemTime;
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};
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Scheduler.prototype.getRealSystemTime = function () {
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return OriginalDate.now();
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};
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Scheduler.prototype.scheduleFunction = function (cb, delay, options) {
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options = Object.assign({
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args: [],
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isPeriodic: false,
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isRequestAnimationFrame: false,
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id: -1,
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isRequeuePeriodic: false
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}, options);
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var currentId = options.id < 0 ? Scheduler.nextId++ : options.id;
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var endTime = this._currentTickTime + delay;
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// Insert so that scheduler queue remains sorted by end time.
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var newEntry = {
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endTime: endTime,
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id: currentId,
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func: cb,
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args: options.args,
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delay: delay,
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isPeriodic: options.isPeriodic,
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isRequestAnimationFrame: options.isRequestAnimationFrame
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};
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if (options.isRequeuePeriodic) {
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this._currentTickRequeuePeriodicEntries.push(newEntry);
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}
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var i = 0;
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for (; i < this._schedulerQueue.length; i++) {
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var currentEntry = this._schedulerQueue[i];
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if (newEntry.endTime < currentEntry.endTime) {
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break;
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}
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}
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this._schedulerQueue.splice(i, 0, newEntry);
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return currentId;
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};
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Scheduler.prototype.removeScheduledFunctionWithId = function (id) {
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for (var i = 0; i < this._schedulerQueue.length; i++) {
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if (this._schedulerQueue[i].id == id) {
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this._schedulerQueue.splice(i, 1);
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break;
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}
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}
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};
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Scheduler.prototype.removeAll = function () {
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this._schedulerQueue = [];
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};
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Scheduler.prototype.getTimerCount = function () {
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return this._schedulerQueue.length;
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};
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Scheduler.prototype.tickToNext = function (step, doTick, tickOptions) {
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if (step === void 0) { step = 1; }
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if (this._schedulerQueue.length < step) {
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return;
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}
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// Find the last task currently queued in the scheduler queue and tick
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// till that time.
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var startTime = this._currentTickTime;
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var targetTask = this._schedulerQueue[step - 1];
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this.tick(targetTask.endTime - startTime, doTick, tickOptions);
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};
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Scheduler.prototype.tick = function (millis, doTick, tickOptions) {
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if (millis === void 0) { millis = 0; }
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var finalTime = this._currentTickTime + millis;
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var lastCurrentTime = 0;
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tickOptions = Object.assign({ processNewMacroTasksSynchronously: true }, tickOptions);
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// we need to copy the schedulerQueue so nested timeout
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// will not be wrongly called in the current tick
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// https://github.com/angular/angular/issues/33799
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var schedulerQueue = tickOptions.processNewMacroTasksSynchronously ?
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this._schedulerQueue :
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this._schedulerQueue.slice();
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if (schedulerQueue.length === 0 && doTick) {
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doTick(millis);
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return;
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}
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while (schedulerQueue.length > 0) {
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// clear requeueEntries before each loop
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this._currentTickRequeuePeriodicEntries = [];
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var current = schedulerQueue[0];
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if (finalTime < current.endTime) {
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// Done processing the queue since it's sorted by endTime.
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break;
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}
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else {
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// Time to run scheduled function. Remove it from the head of queue.
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var current_1 = schedulerQueue.shift();
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if (!tickOptions.processNewMacroTasksSynchronously) {
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var idx = this._schedulerQueue.indexOf(current_1);
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if (idx >= 0) {
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this._schedulerQueue.splice(idx, 1);
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}
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}
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lastCurrentTime = this._currentTickTime;
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this._currentTickTime = current_1.endTime;
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if (doTick) {
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doTick(this._currentTickTime - lastCurrentTime);
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}
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var retval = current_1.func.apply(global, current_1.isRequestAnimationFrame ? [this._currentTickTime] : current_1.args);
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if (!retval) {
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// Uncaught exception in the current scheduled function. Stop processing the queue.
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break;
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}
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// check is there any requeue periodic entry is added in
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// current loop, if there is, we need to add to current loop
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if (!tickOptions.processNewMacroTasksSynchronously) {
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this._currentTickRequeuePeriodicEntries.forEach(function (newEntry) {
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var i = 0;
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for (; i < schedulerQueue.length; i++) {
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var currentEntry = schedulerQueue[i];
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if (newEntry.endTime < currentEntry.endTime) {
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break;
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}
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}
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schedulerQueue.splice(i, 0, newEntry);
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});
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}
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}
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}
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lastCurrentTime = this._currentTickTime;
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this._currentTickTime = finalTime;
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if (doTick) {
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doTick(this._currentTickTime - lastCurrentTime);
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}
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};
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Scheduler.prototype.flushOnlyPendingTimers = function (doTick) {
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if (this._schedulerQueue.length === 0) {
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return 0;
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}
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// Find the last task currently queued in the scheduler queue and tick
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// till that time.
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var startTime = this._currentTickTime;
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var lastTask = this._schedulerQueue[this._schedulerQueue.length - 1];
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this.tick(lastTask.endTime - startTime, doTick, { processNewMacroTasksSynchronously: false });
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return this._currentTickTime - startTime;
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};
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Scheduler.prototype.flush = function (limit, flushPeriodic, doTick) {
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if (limit === void 0) { limit = 20; }
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if (flushPeriodic === void 0) { flushPeriodic = false; }
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if (flushPeriodic) {
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return this.flushPeriodic(doTick);
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}
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else {
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return this.flushNonPeriodic(limit, doTick);
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}
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};
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Scheduler.prototype.flushPeriodic = function (doTick) {
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if (this._schedulerQueue.length === 0) {
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return 0;
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}
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// Find the last task currently queued in the scheduler queue and tick
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// till that time.
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var startTime = this._currentTickTime;
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var lastTask = this._schedulerQueue[this._schedulerQueue.length - 1];
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this.tick(lastTask.endTime - startTime, doTick);
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return this._currentTickTime - startTime;
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};
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Scheduler.prototype.flushNonPeriodic = function (limit, doTick) {
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var startTime = this._currentTickTime;
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var lastCurrentTime = 0;
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var count = 0;
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while (this._schedulerQueue.length > 0) {
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count++;
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if (count > limit) {
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throw new Error('flush failed after reaching the limit of ' + limit +
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' tasks. Does your code use a polling timeout?');
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}
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// flush only non-periodic timers.
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// If the only remaining tasks are periodic(or requestAnimationFrame), finish flushing.
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if (this._schedulerQueue.filter(function (task) { return !task.isPeriodic && !task.isRequestAnimationFrame; })
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.length === 0) {
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break;
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}
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var current = this._schedulerQueue.shift();
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lastCurrentTime = this._currentTickTime;
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this._currentTickTime = current.endTime;
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if (doTick) {
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// Update any secondary schedulers like Jasmine mock Date.
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doTick(this._currentTickTime - lastCurrentTime);
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}
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var retval = current.func.apply(global, current.args);
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if (!retval) {
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// Uncaught exception in the current scheduled function. Stop processing the queue.
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break;
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}
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}
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return this._currentTickTime - startTime;
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};
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return Scheduler;
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}());
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// Next scheduler id.
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Scheduler.nextId = 1;
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var FakeAsyncTestZoneSpec = /** @class */ (function () {
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function FakeAsyncTestZoneSpec(namePrefix, trackPendingRequestAnimationFrame, macroTaskOptions) {
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if (trackPendingRequestAnimationFrame === void 0) { trackPendingRequestAnimationFrame = false; }
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this.trackPendingRequestAnimationFrame = trackPendingRequestAnimationFrame;
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this.macroTaskOptions = macroTaskOptions;
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this._scheduler = new Scheduler();
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this._microtasks = [];
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this._lastError = null;
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this._uncaughtPromiseErrors = Promise[Zone.__symbol__('uncaughtPromiseErrors')];
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this.pendingPeriodicTimers = [];
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this.pendingTimers = [];
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this.patchDateLocked = false;
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this.properties = { 'FakeAsyncTestZoneSpec': this };
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this.name = 'fakeAsyncTestZone for ' + namePrefix;
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// in case user can't access the construction of FakeAsyncTestSpec
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// user can also define macroTaskOptions by define a global variable.
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if (!this.macroTaskOptions) {
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this.macroTaskOptions = global[Zone.__symbol__('FakeAsyncTestMacroTask')];
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}
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}
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FakeAsyncTestZoneSpec.assertInZone = function () {
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if (Zone.current.get('FakeAsyncTestZoneSpec') == null) {
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throw new Error('The code should be running in the fakeAsync zone to call this function');
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}
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};
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FakeAsyncTestZoneSpec.prototype._fnAndFlush = function (fn, completers) {
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var _this = this;
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return function () {
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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fn.apply(global, args);
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if (_this._lastError === null) { // Success
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if (completers.onSuccess != null) {
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completers.onSuccess.apply(global);
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}
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// Flush microtasks only on success.
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_this.flushMicrotasks();
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}
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else { // Failure
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if (completers.onError != null) {
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completers.onError.apply(global);
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}
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}
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// Return true if there were no errors, false otherwise.
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return _this._lastError === null;
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};
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};
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FakeAsyncTestZoneSpec._removeTimer = function (timers, id) {
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var index = timers.indexOf(id);
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if (index > -1) {
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timers.splice(index, 1);
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}
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};
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FakeAsyncTestZoneSpec.prototype._dequeueTimer = function (id) {
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var _this = this;
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return function () {
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FakeAsyncTestZoneSpec._removeTimer(_this.pendingTimers, id);
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};
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};
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FakeAsyncTestZoneSpec.prototype._requeuePeriodicTimer = function (fn, interval, args, id) {
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var _this = this;
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return function () {
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// Requeue the timer callback if it's not been canceled.
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if (_this.pendingPeriodicTimers.indexOf(id) !== -1) {
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_this._scheduler.scheduleFunction(fn, interval, { args: args, isPeriodic: true, id: id, isRequeuePeriodic: true });
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}
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};
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};
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FakeAsyncTestZoneSpec.prototype._dequeuePeriodicTimer = function (id) {
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var _this = this;
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return function () {
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FakeAsyncTestZoneSpec._removeTimer(_this.pendingPeriodicTimers, id);
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};
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};
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FakeAsyncTestZoneSpec.prototype._setTimeout = function (fn, delay, args, isTimer) {
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if (isTimer === void 0) { isTimer = true; }
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var removeTimerFn = this._dequeueTimer(Scheduler.nextId);
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// Queue the callback and dequeue the timer on success and error.
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var cb = this._fnAndFlush(fn, { onSuccess: removeTimerFn, onError: removeTimerFn });
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var id = this._scheduler.scheduleFunction(cb, delay, { args: args, isRequestAnimationFrame: !isTimer });
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if (isTimer) {
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this.pendingTimers.push(id);
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}
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return id;
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};
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FakeAsyncTestZoneSpec.prototype._clearTimeout = function (id) {
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FakeAsyncTestZoneSpec._removeTimer(this.pendingTimers, id);
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this._scheduler.removeScheduledFunctionWithId(id);
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};
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FakeAsyncTestZoneSpec.prototype._setInterval = function (fn, interval, args) {
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var id = Scheduler.nextId;
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var completers = { onSuccess: null, onError: this._dequeuePeriodicTimer(id) };
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var cb = this._fnAndFlush(fn, completers);
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// Use the callback created above to requeue on success.
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completers.onSuccess = this._requeuePeriodicTimer(cb, interval, args, id);
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// Queue the callback and dequeue the periodic timer only on error.
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this._scheduler.scheduleFunction(cb, interval, { args: args, isPeriodic: true });
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this.pendingPeriodicTimers.push(id);
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return id;
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};
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FakeAsyncTestZoneSpec.prototype._clearInterval = function (id) {
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FakeAsyncTestZoneSpec._removeTimer(this.pendingPeriodicTimers, id);
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this._scheduler.removeScheduledFunctionWithId(id);
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};
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FakeAsyncTestZoneSpec.prototype._resetLastErrorAndThrow = function () {
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var error = this._lastError || this._uncaughtPromiseErrors[0];
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this._uncaughtPromiseErrors.length = 0;
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this._lastError = null;
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throw error;
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};
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FakeAsyncTestZoneSpec.prototype.getCurrentTickTime = function () {
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return this._scheduler.getCurrentTickTime();
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};
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FakeAsyncTestZoneSpec.prototype.getFakeSystemTime = function () {
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return this._scheduler.getFakeSystemTime();
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};
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FakeAsyncTestZoneSpec.prototype.setFakeBaseSystemTime = function (realTime) {
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this._scheduler.setFakeBaseSystemTime(realTime);
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};
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FakeAsyncTestZoneSpec.prototype.getRealSystemTime = function () {
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return this._scheduler.getRealSystemTime();
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};
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FakeAsyncTestZoneSpec.patchDate = function () {
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if (!!global[Zone.__symbol__('disableDatePatching')]) {
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// we don't want to patch global Date
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// because in some case, global Date
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// is already being patched, we need to provide
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// an option to let user still use their
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// own version of Date.
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return;
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}
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if (global['Date'] === FakeDate) {
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// already patched
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return;
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}
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global['Date'] = FakeDate;
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FakeDate.prototype = OriginalDate.prototype;
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// try check and reset timers
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// because jasmine.clock().install() may
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// have replaced the global timer
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FakeAsyncTestZoneSpec.checkTimerPatch();
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};
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FakeAsyncTestZoneSpec.resetDate = function () {
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if (global['Date'] === FakeDate) {
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global['Date'] = OriginalDate;
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}
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};
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FakeAsyncTestZoneSpec.checkTimerPatch = function () {
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if (global.setTimeout !== timers.setTimeout) {
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global.setTimeout = timers.setTimeout;
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global.clearTimeout = timers.clearTimeout;
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}
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if (global.setInterval !== timers.setInterval) {
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global.setInterval = timers.setInterval;
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global.clearInterval = timers.clearInterval;
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}
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};
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FakeAsyncTestZoneSpec.prototype.lockDatePatch = function () {
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this.patchDateLocked = true;
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FakeAsyncTestZoneSpec.patchDate();
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};
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FakeAsyncTestZoneSpec.prototype.unlockDatePatch = function () {
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this.patchDateLocked = false;
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FakeAsyncTestZoneSpec.resetDate();
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};
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FakeAsyncTestZoneSpec.prototype.tickToNext = function (steps, doTick, tickOptions) {
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if (steps === void 0) { steps = 1; }
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if (tickOptions === void 0) { tickOptions = { processNewMacroTasksSynchronously: true }; }
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if (steps <= 0) {
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return;
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}
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FakeAsyncTestZoneSpec.assertInZone();
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this.flushMicrotasks();
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this._scheduler.tickToNext(steps, doTick, tickOptions);
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if (this._lastError !== null) {
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this._resetLastErrorAndThrow();
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}
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};
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FakeAsyncTestZoneSpec.prototype.tick = function (millis, doTick, tickOptions) {
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if (millis === void 0) { millis = 0; }
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if (tickOptions === void 0) { tickOptions = { processNewMacroTasksSynchronously: true }; }
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FakeAsyncTestZoneSpec.assertInZone();
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this.flushMicrotasks();
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this._scheduler.tick(millis, doTick, tickOptions);
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if (this._lastError !== null) {
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this._resetLastErrorAndThrow();
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}
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};
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FakeAsyncTestZoneSpec.prototype.flushMicrotasks = function () {
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var _this = this;
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FakeAsyncTestZoneSpec.assertInZone();
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var flushErrors = function () {
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if (_this._lastError !== null || _this._uncaughtPromiseErrors.length) {
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// If there is an error stop processing the microtask queue and rethrow the error.
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_this._resetLastErrorAndThrow();
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}
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};
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while (this._microtasks.length > 0) {
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var microtask = this._microtasks.shift();
|
|
microtask.func.apply(microtask.target, microtask.args);
|
|
}
|
|
flushErrors();
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.flush = function (limit, flushPeriodic, doTick) {
|
|
FakeAsyncTestZoneSpec.assertInZone();
|
|
this.flushMicrotasks();
|
|
var elapsed = this._scheduler.flush(limit, flushPeriodic, doTick);
|
|
if (this._lastError !== null) {
|
|
this._resetLastErrorAndThrow();
|
|
}
|
|
return elapsed;
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.flushOnlyPendingTimers = function (doTick) {
|
|
FakeAsyncTestZoneSpec.assertInZone();
|
|
this.flushMicrotasks();
|
|
var elapsed = this._scheduler.flushOnlyPendingTimers(doTick);
|
|
if (this._lastError !== null) {
|
|
this._resetLastErrorAndThrow();
|
|
}
|
|
return elapsed;
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.removeAllTimers = function () {
|
|
FakeAsyncTestZoneSpec.assertInZone();
|
|
this._scheduler.removeAll();
|
|
this.pendingPeriodicTimers = [];
|
|
this.pendingTimers = [];
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.getTimerCount = function () {
|
|
return this._scheduler.getTimerCount() + this._microtasks.length;
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.onScheduleTask = function (delegate, current, target, task) {
|
|
switch (task.type) {
|
|
case 'microTask':
|
|
var args = task.data && task.data.args;
|
|
// should pass additional arguments to callback if have any
|
|
// currently we know process.nextTick will have such additional
|
|
// arguments
|
|
var additionalArgs = void 0;
|
|
if (args) {
|
|
var callbackIndex = task.data.cbIdx;
|
|
if (typeof args.length === 'number' && args.length > callbackIndex + 1) {
|
|
additionalArgs = Array.prototype.slice.call(args, callbackIndex + 1);
|
|
}
|
|
}
|
|
this._microtasks.push({
|
|
func: task.invoke,
|
|
args: additionalArgs,
|
|
target: task.data && task.data.target
|
|
});
|
|
break;
|
|
case 'macroTask':
|
|
switch (task.source) {
|
|
case 'setTimeout':
|
|
task.data['handleId'] = this._setTimeout(task.invoke, task.data['delay'], Array.prototype.slice.call(task.data['args'], 2));
|
|
break;
|
|
case 'setImmediate':
|
|
task.data['handleId'] = this._setTimeout(task.invoke, 0, Array.prototype.slice.call(task.data['args'], 1));
|
|
break;
|
|
case 'setInterval':
|
|
task.data['handleId'] = this._setInterval(task.invoke, task.data['delay'], Array.prototype.slice.call(task.data['args'], 2));
|
|
break;
|
|
case 'XMLHttpRequest.send':
|
|
throw new Error('Cannot make XHRs from within a fake async test. Request URL: ' +
|
|
task.data['url']);
|
|
case 'requestAnimationFrame':
|
|
case 'webkitRequestAnimationFrame':
|
|
case 'mozRequestAnimationFrame':
|
|
// Simulate a requestAnimationFrame by using a setTimeout with 16 ms.
|
|
// (60 frames per second)
|
|
task.data['handleId'] = this._setTimeout(task.invoke, 16, task.data['args'], this.trackPendingRequestAnimationFrame);
|
|
break;
|
|
default:
|
|
// user can define which macroTask they want to support by passing
|
|
// macroTaskOptions
|
|
var macroTaskOption = this.findMacroTaskOption(task);
|
|
if (macroTaskOption) {
|
|
var args_1 = task.data && task.data['args'];
|
|
var delay = args_1 && args_1.length > 1 ? args_1[1] : 0;
|
|
var callbackArgs = macroTaskOption.callbackArgs ? macroTaskOption.callbackArgs : args_1;
|
|
if (!!macroTaskOption.isPeriodic) {
|
|
// periodic macroTask, use setInterval to simulate
|
|
task.data['handleId'] = this._setInterval(task.invoke, delay, callbackArgs);
|
|
task.data.isPeriodic = true;
|
|
}
|
|
else {
|
|
// not periodic, use setTimeout to simulate
|
|
task.data['handleId'] = this._setTimeout(task.invoke, delay, callbackArgs);
|
|
}
|
|
break;
|
|
}
|
|
throw new Error('Unknown macroTask scheduled in fake async test: ' + task.source);
|
|
}
|
|
break;
|
|
case 'eventTask':
|
|
task = delegate.scheduleTask(target, task);
|
|
break;
|
|
}
|
|
return task;
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.onCancelTask = function (delegate, current, target, task) {
|
|
switch (task.source) {
|
|
case 'setTimeout':
|
|
case 'requestAnimationFrame':
|
|
case 'webkitRequestAnimationFrame':
|
|
case 'mozRequestAnimationFrame':
|
|
return this._clearTimeout(task.data['handleId']);
|
|
case 'setInterval':
|
|
return this._clearInterval(task.data['handleId']);
|
|
default:
|
|
// user can define which macroTask they want to support by passing
|
|
// macroTaskOptions
|
|
var macroTaskOption = this.findMacroTaskOption(task);
|
|
if (macroTaskOption) {
|
|
var handleId = task.data['handleId'];
|
|
return macroTaskOption.isPeriodic ? this._clearInterval(handleId) :
|
|
this._clearTimeout(handleId);
|
|
}
|
|
return delegate.cancelTask(target, task);
|
|
}
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.onInvoke = function (delegate, current, target, callback, applyThis, applyArgs, source) {
|
|
try {
|
|
FakeAsyncTestZoneSpec.patchDate();
|
|
return delegate.invoke(target, callback, applyThis, applyArgs, source);
|
|
}
|
|
finally {
|
|
if (!this.patchDateLocked) {
|
|
FakeAsyncTestZoneSpec.resetDate();
|
|
}
|
|
}
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.findMacroTaskOption = function (task) {
|
|
if (!this.macroTaskOptions) {
|
|
return null;
|
|
}
|
|
for (var i = 0; i < this.macroTaskOptions.length; i++) {
|
|
var macroTaskOption = this.macroTaskOptions[i];
|
|
if (macroTaskOption.source === task.source) {
|
|
return macroTaskOption;
|
|
}
|
|
}
|
|
return null;
|
|
};
|
|
FakeAsyncTestZoneSpec.prototype.onHandleError = function (parentZoneDelegate, currentZone, targetZone, error) {
|
|
this._lastError = error;
|
|
return false; // Don't propagate error to parent zone.
|
|
};
|
|
return FakeAsyncTestZoneSpec;
|
|
}());
|
|
// Export the class so that new instances can be created with proper
|
|
// constructor params.
|
|
Zone['FakeAsyncTestZoneSpec'] = FakeAsyncTestZoneSpec;
|
|
})(typeof window === 'object' && window || typeof self === 'object' && self || global);
|
|
Zone.__load_patch('fakeasync', function (global, Zone, api) {
|
|
var FakeAsyncTestZoneSpec = Zone && Zone['FakeAsyncTestZoneSpec'];
|
|
function getProxyZoneSpec() {
|
|
return Zone && Zone['ProxyZoneSpec'];
|
|
}
|
|
var _fakeAsyncTestZoneSpec = null;
|
|
/**
|
|
* Clears out the shared fake async zone for a test.
|
|
* To be called in a global `beforeEach`.
|
|
*
|
|
* @experimental
|
|
*/
|
|
function resetFakeAsyncZone() {
|
|
if (_fakeAsyncTestZoneSpec) {
|
|
_fakeAsyncTestZoneSpec.unlockDatePatch();
|
|
}
|
|
_fakeAsyncTestZoneSpec = null;
|
|
// in node.js testing we may not have ProxyZoneSpec in which case there is nothing to reset.
|
|
getProxyZoneSpec() && getProxyZoneSpec().assertPresent().resetDelegate();
|
|
}
|
|
/**
|
|
* Wraps a function to be executed in the fakeAsync zone:
|
|
* - microtasks are manually executed by calling `flushMicrotasks()`,
|
|
* - timers are synchronous, `tick()` simulates the asynchronous passage of time.
|
|
*
|
|
* If there are any pending timers at the end of the function, an exception will be thrown.
|
|
*
|
|
* Can be used to wrap inject() calls.
|
|
*
|
|
* ## Example
|
|
*
|
|
* {@example core/testing/ts/fake_async.ts region='basic'}
|
|
*
|
|
* @param fn
|
|
* @returns The function wrapped to be executed in the fakeAsync zone
|
|
*
|
|
* @experimental
|
|
*/
|
|
function fakeAsync(fn) {
|
|
// Not using an arrow function to preserve context passed from call site
|
|
var fakeAsyncFn = function () {
|
|
var args = [];
|
|
for (var _i = 0; _i < arguments.length; _i++) {
|
|
args[_i] = arguments[_i];
|
|
}
|
|
var ProxyZoneSpec = getProxyZoneSpec();
|
|
if (!ProxyZoneSpec) {
|
|
throw new Error('ProxyZoneSpec is needed for the async() test helper but could not be found. ' +
|
|
'Please make sure that your environment includes zone.js/dist/proxy.js');
|
|
}
|
|
var proxyZoneSpec = ProxyZoneSpec.assertPresent();
|
|
if (Zone.current.get('FakeAsyncTestZoneSpec')) {
|
|
throw new Error('fakeAsync() calls can not be nested');
|
|
}
|
|
try {
|
|
// in case jasmine.clock init a fakeAsyncTestZoneSpec
|
|
if (!_fakeAsyncTestZoneSpec) {
|
|
if (proxyZoneSpec.getDelegate() instanceof FakeAsyncTestZoneSpec) {
|
|
throw new Error('fakeAsync() calls can not be nested');
|
|
}
|
|
_fakeAsyncTestZoneSpec = new FakeAsyncTestZoneSpec();
|
|
}
|
|
var res = void 0;
|
|
var lastProxyZoneSpec = proxyZoneSpec.getDelegate();
|
|
proxyZoneSpec.setDelegate(_fakeAsyncTestZoneSpec);
|
|
_fakeAsyncTestZoneSpec.lockDatePatch();
|
|
try {
|
|
res = fn.apply(this, args);
|
|
flushMicrotasks();
|
|
}
|
|
finally {
|
|
proxyZoneSpec.setDelegate(lastProxyZoneSpec);
|
|
}
|
|
if (_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length > 0) {
|
|
throw new Error(_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length + " " +
|
|
"periodic timer(s) still in the queue.");
|
|
}
|
|
if (_fakeAsyncTestZoneSpec.pendingTimers.length > 0) {
|
|
throw new Error(_fakeAsyncTestZoneSpec.pendingTimers.length + " timer(s) still in the queue.");
|
|
}
|
|
return res;
|
|
}
|
|
finally {
|
|
resetFakeAsyncZone();
|
|
}
|
|
};
|
|
fakeAsyncFn.isFakeAsync = true;
|
|
return fakeAsyncFn;
|
|
}
|
|
function _getFakeAsyncZoneSpec() {
|
|
if (_fakeAsyncTestZoneSpec == null) {
|
|
_fakeAsyncTestZoneSpec = Zone.current.get('FakeAsyncTestZoneSpec');
|
|
if (_fakeAsyncTestZoneSpec == null) {
|
|
throw new Error('The code should be running in the fakeAsync zone to call this function');
|
|
}
|
|
}
|
|
return _fakeAsyncTestZoneSpec;
|
|
}
|
|
/**
|
|
* Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
|
|
*
|
|
* The microtasks queue is drained at the very start of this function and after any timer callback
|
|
* has been executed.
|
|
*
|
|
* ## Example
|
|
*
|
|
* {@example core/testing/ts/fake_async.ts region='basic'}
|
|
*
|
|
* @experimental
|
|
*/
|
|
function tick(millis, ignoreNestedTimeout) {
|
|
if (millis === void 0) { millis = 0; }
|
|
if (ignoreNestedTimeout === void 0) { ignoreNestedTimeout = false; }
|
|
_getFakeAsyncZoneSpec().tick(millis, null, ignoreNestedTimeout);
|
|
}
|
|
/**
|
|
* Simulates the asynchronous passage of time for the timers in the fakeAsync zone by
|
|
* draining the macrotask queue until it is empty. The returned value is the milliseconds
|
|
* of time that would have been elapsed.
|
|
*
|
|
* @param maxTurns
|
|
* @returns The simulated time elapsed, in millis.
|
|
*
|
|
* @experimental
|
|
*/
|
|
function flush(maxTurns) {
|
|
return _getFakeAsyncZoneSpec().flush(maxTurns);
|
|
}
|
|
/**
|
|
* Discard all remaining periodic tasks.
|
|
*
|
|
* @experimental
|
|
*/
|
|
function discardPeriodicTasks() {
|
|
var zoneSpec = _getFakeAsyncZoneSpec();
|
|
var pendingTimers = zoneSpec.pendingPeriodicTimers;
|
|
zoneSpec.pendingPeriodicTimers.length = 0;
|
|
}
|
|
/**
|
|
* Flush any pending microtasks.
|
|
*
|
|
* @experimental
|
|
*/
|
|
function flushMicrotasks() {
|
|
_getFakeAsyncZoneSpec().flushMicrotasks();
|
|
}
|
|
Zone[api.symbol('fakeAsyncTest')] =
|
|
{ resetFakeAsyncZone: resetFakeAsyncZone, flushMicrotasks: flushMicrotasks, discardPeriodicTasks: discardPeriodicTasks, tick: tick, flush: flush, fakeAsync: fakeAsync };
|
|
}, true);
|
|
})));
|