| /** PURE_IMPORTS_START tslib,_Subscriber,_Observable,_OuterSubscriber,_util_subscribeToResult PURE_IMPORTS_END */ |
| import * as tslib_1 from "tslib"; |
| import { Subscriber } from '../Subscriber'; |
| import { Observable } from '../Observable'; |
| import { OuterSubscriber } from '../OuterSubscriber'; |
| import { subscribeToResult } from '../util/subscribeToResult'; |
| export function delayWhen(delayDurationSelector, subscriptionDelay) { |
| if (subscriptionDelay) { |
| return function (source) { |
| return new SubscriptionDelayObservable(source, subscriptionDelay) |
| .lift(new DelayWhenOperator(delayDurationSelector)); |
| }; |
| } |
| return function (source) { return source.lift(new DelayWhenOperator(delayDurationSelector)); }; |
| } |
| var DelayWhenOperator = /*@__PURE__*/ (function () { |
| function DelayWhenOperator(delayDurationSelector) { |
| this.delayDurationSelector = delayDurationSelector; |
| } |
| DelayWhenOperator.prototype.call = function (subscriber, source) { |
| return source.subscribe(new DelayWhenSubscriber(subscriber, this.delayDurationSelector)); |
| }; |
| return DelayWhenOperator; |
| }()); |
| var DelayWhenSubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(DelayWhenSubscriber, _super); |
| function DelayWhenSubscriber(destination, delayDurationSelector) { |
| var _this = _super.call(this, destination) || this; |
| _this.delayDurationSelector = delayDurationSelector; |
| _this.completed = false; |
| _this.delayNotifierSubscriptions = []; |
| _this.index = 0; |
| return _this; |
| } |
| DelayWhenSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { |
| this.destination.next(outerValue); |
| this.removeSubscription(innerSub); |
| this.tryComplete(); |
| }; |
| DelayWhenSubscriber.prototype.notifyError = function (error, innerSub) { |
| this._error(error); |
| }; |
| DelayWhenSubscriber.prototype.notifyComplete = function (innerSub) { |
| var value = this.removeSubscription(innerSub); |
| if (value) { |
| this.destination.next(value); |
| } |
| this.tryComplete(); |
| }; |
| DelayWhenSubscriber.prototype._next = function (value) { |
| var index = this.index++; |
| try { |
| var delayNotifier = this.delayDurationSelector(value, index); |
| if (delayNotifier) { |
| this.tryDelay(delayNotifier, value); |
| } |
| } |
| catch (err) { |
| this.destination.error(err); |
| } |
| }; |
| DelayWhenSubscriber.prototype._complete = function () { |
| this.completed = true; |
| this.tryComplete(); |
| this.unsubscribe(); |
| }; |
| DelayWhenSubscriber.prototype.removeSubscription = function (subscription) { |
| subscription.unsubscribe(); |
| var subscriptionIdx = this.delayNotifierSubscriptions.indexOf(subscription); |
| if (subscriptionIdx !== -1) { |
| this.delayNotifierSubscriptions.splice(subscriptionIdx, 1); |
| } |
| return subscription.outerValue; |
| }; |
| DelayWhenSubscriber.prototype.tryDelay = function (delayNotifier, value) { |
| var notifierSubscription = subscribeToResult(this, delayNotifier, value); |
| if (notifierSubscription && !notifierSubscription.closed) { |
| var destination = this.destination; |
| destination.add(notifierSubscription); |
| this.delayNotifierSubscriptions.push(notifierSubscription); |
| } |
| }; |
| DelayWhenSubscriber.prototype.tryComplete = function () { |
| if (this.completed && this.delayNotifierSubscriptions.length === 0) { |
| this.destination.complete(); |
| } |
| }; |
| return DelayWhenSubscriber; |
| }(OuterSubscriber)); |
| var SubscriptionDelayObservable = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(SubscriptionDelayObservable, _super); |
| function SubscriptionDelayObservable(source, subscriptionDelay) { |
| var _this = _super.call(this) || this; |
| _this.source = source; |
| _this.subscriptionDelay = subscriptionDelay; |
| return _this; |
| } |
| SubscriptionDelayObservable.prototype._subscribe = function (subscriber) { |
| this.subscriptionDelay.subscribe(new SubscriptionDelaySubscriber(subscriber, this.source)); |
| }; |
| return SubscriptionDelayObservable; |
| }(Observable)); |
| var SubscriptionDelaySubscriber = /*@__PURE__*/ (function (_super) { |
| tslib_1.__extends(SubscriptionDelaySubscriber, _super); |
| function SubscriptionDelaySubscriber(parent, source) { |
| var _this = _super.call(this) || this; |
| _this.parent = parent; |
| _this.source = source; |
| _this.sourceSubscribed = false; |
| return _this; |
| } |
| SubscriptionDelaySubscriber.prototype._next = function (unused) { |
| this.subscribeToSource(); |
| }; |
| SubscriptionDelaySubscriber.prototype._error = function (err) { |
| this.unsubscribe(); |
| this.parent.error(err); |
| }; |
| SubscriptionDelaySubscriber.prototype._complete = function () { |
| this.unsubscribe(); |
| this.subscribeToSource(); |
| }; |
| SubscriptionDelaySubscriber.prototype.subscribeToSource = function () { |
| if (!this.sourceSubscribed) { |
| this.sourceSubscribed = true; |
| this.unsubscribe(); |
| this.source.subscribe(this.parent); |
| } |
| }; |
| return SubscriptionDelaySubscriber; |
| }(Subscriber)); |
| //# sourceMappingURL=delayWhen.js.map |