76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
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import { Subject } from '../Subject';
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import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe';
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export function repeatWhen(notifier) {
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return (source) => source.lift(new RepeatWhenOperator(notifier));
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}
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class RepeatWhenOperator {
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constructor(notifier) {
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this.notifier = notifier;
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}
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call(subscriber, source) {
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return source.subscribe(new RepeatWhenSubscriber(subscriber, this.notifier, source));
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}
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}
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class RepeatWhenSubscriber extends SimpleOuterSubscriber {
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constructor(destination, notifier, source) {
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super(destination);
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this.notifier = notifier;
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this.source = source;
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this.sourceIsBeingSubscribedTo = true;
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}
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notifyNext() {
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this.sourceIsBeingSubscribedTo = true;
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this.source.subscribe(this);
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}
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notifyComplete() {
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if (this.sourceIsBeingSubscribedTo === false) {
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return super.complete();
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}
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}
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complete() {
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this.sourceIsBeingSubscribedTo = false;
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if (!this.isStopped) {
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if (!this.retries) {
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this.subscribeToRetries();
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}
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if (!this.retriesSubscription || this.retriesSubscription.closed) {
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return super.complete();
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}
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this._unsubscribeAndRecycle();
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this.notifications.next(undefined);
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}
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}
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_unsubscribe() {
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const { notifications, retriesSubscription } = this;
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if (notifications) {
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notifications.unsubscribe();
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this.notifications = undefined;
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}
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if (retriesSubscription) {
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retriesSubscription.unsubscribe();
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this.retriesSubscription = undefined;
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}
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this.retries = undefined;
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}
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_unsubscribeAndRecycle() {
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const { _unsubscribe } = this;
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this._unsubscribe = null;
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super._unsubscribeAndRecycle();
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this._unsubscribe = _unsubscribe;
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return this;
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}
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subscribeToRetries() {
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this.notifications = new Subject();
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let retries;
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try {
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const { notifier } = this;
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retries = notifier(this.notifications);
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}
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catch (e) {
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return super.complete();
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}
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this.retries = retries;
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this.retriesSubscription = innerSubscribe(retries, new SimpleInnerSubscriber(this));
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}
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}
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//# sourceMappingURL=repeatWhen.js.map
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