31 lines
1.0 KiB
Plaintext
31 lines
1.0 KiB
Plaintext
import { innerSubscribe, SimpleInnerSubscriber, SimpleOuterSubscriber } from '../innerSubscribe';
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export function takeUntil(notifier) {
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return (source) => source.lift(new TakeUntilOperator(notifier));
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}
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class TakeUntilOperator {
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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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const takeUntilSubscriber = new TakeUntilSubscriber(subscriber);
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const notifierSubscription = innerSubscribe(this.notifier, new SimpleInnerSubscriber(takeUntilSubscriber));
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if (notifierSubscription && !takeUntilSubscriber.seenValue) {
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takeUntilSubscriber.add(notifierSubscription);
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return source.subscribe(takeUntilSubscriber);
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}
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return takeUntilSubscriber;
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}
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}
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class TakeUntilSubscriber extends SimpleOuterSubscriber {
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constructor(destination) {
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super(destination);
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this.seenValue = false;
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}
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notifyNext() {
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this.seenValue = true;
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this.complete();
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}
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notifyComplete() {
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}
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}
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//# sourceMappingURL=takeUntil.js.map |