53 lines
1.7 KiB
JavaScript
53 lines
1.7 KiB
JavaScript
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/** PURE_IMPORTS_START .._Scheduler 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 { Scheduler } from '../Scheduler';
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export var AsyncScheduler = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
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__extends(AsyncScheduler, _super);
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function AsyncScheduler() {
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_super.apply(this, arguments);
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this.actions = [];
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/**
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* A flag to indicate whether the Scheduler is currently executing a batch of
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* queued actions.
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* @type {boolean}
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*/
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this.active = false;
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/**
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* An internal ID used to track the latest asynchronous task such as those
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* coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and
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* others.
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* @type {any}
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*/
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this.scheduled = undefined;
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}
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AsyncScheduler.prototype.flush = function (action) {
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var actions = this.actions;
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if (this.active) {
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actions.push(action);
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return;
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}
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var error;
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this.active = true;
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do {
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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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} while (action = actions.shift()); // exhaust the scheduler queue
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this.active = false;
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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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return AsyncScheduler;
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}(Scheduler));
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//# sourceMappingURL=AsyncScheduler.js.map
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