126 lines
4.2 KiB
JavaScript
126 lines
4.2 KiB
JavaScript
/** PURE_IMPORTS_START ._AsyncAction,._AsyncScheduler PURE_IMPORTS_END */
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b)
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if (b.hasOwnProperty(p))
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d[p] = b[p];
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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import { AsyncAction } from './AsyncAction';
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import { AsyncScheduler } from './AsyncScheduler';
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export var VirtualTimeScheduler = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
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__extends(VirtualTimeScheduler, _super);
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function VirtualTimeScheduler(SchedulerAction, maxFrames) {
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var _this = this;
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if (SchedulerAction === void 0) {
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SchedulerAction = VirtualAction;
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}
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if (maxFrames === void 0) {
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maxFrames = Number.POSITIVE_INFINITY;
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}
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_super.call(this, SchedulerAction, function () { return _this.frame; });
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this.maxFrames = maxFrames;
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this.frame = 0;
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this.index = -1;
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}
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/**
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* Prompt the Scheduler to execute all of its queued actions, therefore
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* clearing its queue.
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* @return {void}
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*/
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VirtualTimeScheduler.prototype.flush = function () {
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var _a = this, actions = _a.actions, maxFrames = _a.maxFrames;
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var error, action;
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while ((action = actions.shift()) && (this.frame = action.delay) <= maxFrames) {
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if (error = action.execute(action.state, action.delay)) {
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break;
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}
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}
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if (error) {
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while (action = actions.shift()) {
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action.unsubscribe();
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}
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throw error;
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}
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};
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VirtualTimeScheduler.frameTimeFactor = 10;
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return VirtualTimeScheduler;
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}(AsyncScheduler));
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/**
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* We need this JSDoc comment for affecting ESDoc.
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* @ignore
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* @extends {Ignored}
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*/
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export var VirtualAction = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
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__extends(VirtualAction, _super);
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function VirtualAction(scheduler, work, index) {
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if (index === void 0) {
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index = scheduler.index += 1;
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}
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_super.call(this, scheduler, work);
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this.scheduler = scheduler;
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this.work = work;
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this.index = index;
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this.active = true;
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this.index = scheduler.index = index;
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}
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VirtualAction.prototype.schedule = function (state, delay) {
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if (delay === void 0) {
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delay = 0;
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}
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if (!this.id) {
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return _super.prototype.schedule.call(this, state, delay);
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}
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this.active = false;
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// If an action is rescheduled, we save allocations by mutating its state,
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// pushing it to the end of the scheduler queue, and recycling the action.
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// But since the VirtualTimeScheduler is used for testing, VirtualActions
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// must be immutable so they can be inspected later.
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var action = new VirtualAction(this.scheduler, this.work);
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this.add(action);
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return action.schedule(state, delay);
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};
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VirtualAction.prototype.requestAsyncId = function (scheduler, id, delay) {
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if (delay === void 0) {
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delay = 0;
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}
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this.delay = scheduler.frame + delay;
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var actions = scheduler.actions;
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actions.push(this);
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actions.sort(VirtualAction.sortActions);
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return true;
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};
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VirtualAction.prototype.recycleAsyncId = function (scheduler, id, delay) {
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if (delay === void 0) {
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delay = 0;
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}
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return undefined;
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};
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VirtualAction.prototype._execute = function (state, delay) {
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if (this.active === true) {
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return _super.prototype._execute.call(this, state, delay);
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}
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};
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VirtualAction.sortActions = function (a, b) {
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if (a.delay === b.delay) {
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if (a.index === b.index) {
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return 0;
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}
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else if (a.index > b.index) {
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return 1;
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}
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else {
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return -1;
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}
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}
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else if (a.delay > b.delay) {
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return 1;
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}
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else {
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return -1;
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}
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};
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return VirtualAction;
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}(AsyncAction));
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//# sourceMappingURL=VirtualTimeScheduler.js.map
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