| /** PURE_IMPORTS_START tslib,_scheduler_async,_util_isDate,_Subscriber,_Notification PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { async } from '../scheduler/async'; |
| import { isDate } from '../util/isDate'; |
| import { Subscriber } from '../Subscriber'; |
| import { Notification } from '../Notification'; |
| export function delay(delay, scheduler) { |
| if (scheduler === void 0) { |
| scheduler = async; |
| } |
| var absoluteDelay = isDate(delay); |
| var delayFor = absoluteDelay ? (+delay - scheduler.now()) : Math.abs(delay); |
| return function (source) { return source.lift(new DelayOperator(delayFor, scheduler)); }; |
| } |
| var DelayOperator = /*@__PURE__*/ (function () { |
| function DelayOperator(delay, scheduler) { |
| this.delay = delay; |
| this.scheduler = scheduler; |
| } |
| DelayOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new DelaySubscriber(subscriber, this.delay, this.scheduler)); |
| }; |
| return DelayOperator; |
| }()); |
| var DelaySubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(DelaySubscriber, _super); |
| function DelaySubscriber(destination, delay, scheduler) { |
| var _this = _super.call(this, destination) || this; |
| _this.delay = delay; |
| _this.scheduler = scheduler; |
| _this.queue = []; |
| _this.active = false; |
| _this.errored = false; |
| return _this; |
| } |
| DelaySubscriber.dispatch = function (state) { |
| var source = state.source; |
| var queue = source.queue; |
| var scheduler = state.scheduler; |
| var destination = state.destination; |
| while (queue.length > 0 && (queue[0].time - scheduler.now()) <= 0) { |
| queue.shift().notification.observe(destination); |
| } |
| if (queue.length > 0) { |
| var delay_1 = Math.max(0, queue[0].time - scheduler.now()); |
| this.schedule(state, delay_1); |
| } |
| else { |
| this.unsubscribe(); |
| source.active = false; |
| } |
| }; |
| DelaySubscriber.prototype._schedule = function (scheduler) { |
| this.active = true; |
| var destination = this.destination; |
| destination.add(scheduler.schedule(DelaySubscriber.dispatch, this.delay, { |
| source: this, destination: this.destination, scheduler: scheduler |
| })); |
| }; |
| DelaySubscriber.prototype.scheduleNotification = function (notification) { |
| if (this.errored === true) { |
| return; |
| } |
| var scheduler = this.scheduler; |
| var message = new DelayMessage(scheduler.now() + this.delay, notification); |
| this.queue.push(message); |
| if (this.active === false) { |
| this._schedule(scheduler); |
| } |
| }; |
| DelaySubscriber.prototype._next = function (value) { |
| this.scheduleNotification(Notification.createNext(value)); |
| }; |
| DelaySubscriber.prototype._error = function (err) { |
| this.errored = true; |
| this.queue = []; |
| this.destination.error(err); |
| this.unsubscribe(); |
| }; |
| DelaySubscriber.prototype._complete = function () { |
| this.scheduleNotification(Notification.createComplete()); |
| this.unsubscribe(); |
| }; |
| return DelaySubscriber; |
| }(Subscriber)); |
| var DelayMessage = /*@__PURE__*/ (function () { |
| function DelayMessage(time, notification) { |
| this.time = time; |
| this.notification = notification; |
| } |
| return DelayMessage; |
| }()); |
| //# sourceMappingURL=delay.js.map |