skipUntil.js 1.26 KB
import { SimpleOuterSubscriber, SimpleInnerSubscriber, innerSubscribe } from '../innerSubscribe';
export function skipUntil(notifier) {
    return (source) => source.lift(new SkipUntilOperator(notifier));
}
class SkipUntilOperator {
    constructor(notifier) {
        this.notifier = notifier;
    }
    call(destination, source) {
        return source.subscribe(new SkipUntilSubscriber(destination, this.notifier));
    }
}
class SkipUntilSubscriber extends SimpleOuterSubscriber {
    constructor(destination, notifier) {
        super(destination);
        this.hasValue = false;
        const innerSubscriber = new SimpleInnerSubscriber(this);
        this.add(innerSubscriber);
        this.innerSubscription = innerSubscriber;
        const innerSubscription = innerSubscribe(notifier, innerSubscriber);
        if (innerSubscription !== innerSubscriber) {
            this.add(innerSubscription);
            this.innerSubscription = innerSubscription;
        }
    }
    _next(value) {
        if (this.hasValue) {
            super._next(value);
        }
    }
    notifyNext() {
        this.hasValue = true;
        if (this.innerSubscription) {
            this.innerSubscription.unsubscribe();
        }
    }
    notifyComplete() {
    }
}
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