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