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import { SimpleOuterSubscriber, innerSubscribe, SimpleInnerSubscriber } from '../innerSubscribe'; export function sample(notifier) { return (source) => source.lift(new SampleOperator(notifier)); } class SampleOperator { constructor(notifier) { this.notifier = notifier; } call(subscriber, source) { const sampleSubscriber = new SampleSubscriber(subscriber); const subscription = source.subscribe(sampleSubscriber); subscription.add(innerSubscribe(this.notifier, new SimpleInnerSubscriber(sampleSubscriber))); return subscription; } } class SampleSubscriber extends SimpleOuterSubscriber { constructor() { super(...arguments); this.hasValue = false; } _next(value) { this.value = value; this.hasValue = true; } notifyNext() { this.emitValue(); } notifyComplete() { this.emitValue(); } emitValue() { if (this.hasValue) { this.hasValue = false; this.destination.next(this.value); } } } //# sourceMappingURL=sample.js.map