39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
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import { OuterSubscriber } from '../OuterSubscriber';
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import { subscribeToResult } from '../util/subscribeToResult';
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export function sample(notifier) {
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return (source) => source.lift(new SampleOperator(notifier));
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}
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class SampleOperator {
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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 sampleSubscriber = new SampleSubscriber(subscriber);
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const subscription = source.subscribe(sampleSubscriber);
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subscription.add(subscribeToResult(sampleSubscriber, this.notifier));
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return subscription;
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}
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}
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class SampleSubscriber extends OuterSubscriber {
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constructor() {
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super(...arguments);
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this.hasValue = false;
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}
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_next(value) {
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this.value = value;
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this.hasValue = true;
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}
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notifyNext(outerValue, innerValue, outerIndex, innerIndex, innerSub) {
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this.emitValue();
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}
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notifyComplete() {
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this.emitValue();
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}
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emitValue() {
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if (this.hasValue) {
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this.hasValue = false;
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this.destination.next(this.value);
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}
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}
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}
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//# sourceMappingURL=sample.js.map
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