[6a3a178] | 1 | import { Subscriber } from '../Subscriber';
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| 2 | import { async } from '../scheduler/async';
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| 3 | export function debounceTime(dueTime, scheduler = async) {
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| 4 | return (source) => source.lift(new DebounceTimeOperator(dueTime, scheduler));
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| 5 | }
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| 6 | class DebounceTimeOperator {
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| 7 | constructor(dueTime, scheduler) {
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| 8 | this.dueTime = dueTime;
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| 9 | this.scheduler = scheduler;
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| 10 | }
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| 11 | call(subscriber, source) {
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| 12 | return source.subscribe(new DebounceTimeSubscriber(subscriber, this.dueTime, this.scheduler));
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| 13 | }
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| 14 | }
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| 15 | class DebounceTimeSubscriber extends Subscriber {
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| 16 | constructor(destination, dueTime, scheduler) {
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| 17 | super(destination);
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| 18 | this.dueTime = dueTime;
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| 19 | this.scheduler = scheduler;
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| 20 | this.debouncedSubscription = null;
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| 21 | this.lastValue = null;
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| 22 | this.hasValue = false;
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| 23 | }
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| 24 | _next(value) {
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| 25 | this.clearDebounce();
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| 26 | this.lastValue = value;
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| 27 | this.hasValue = true;
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| 28 | this.add(this.debouncedSubscription = this.scheduler.schedule(dispatchNext, this.dueTime, this));
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| 29 | }
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| 30 | _complete() {
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| 31 | this.debouncedNext();
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| 32 | this.destination.complete();
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| 33 | }
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| 34 | debouncedNext() {
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| 35 | this.clearDebounce();
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| 36 | if (this.hasValue) {
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| 37 | const { lastValue } = this;
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| 38 | this.lastValue = null;
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| 39 | this.hasValue = false;
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| 40 | this.destination.next(lastValue);
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| 41 | }
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| 42 | }
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| 43 | clearDebounce() {
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| 44 | const debouncedSubscription = this.debouncedSubscription;
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| 45 | if (debouncedSubscription !== null) {
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| 46 | this.remove(debouncedSubscription);
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| 47 | debouncedSubscription.unsubscribe();
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| 48 | this.debouncedSubscription = null;
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| 49 | }
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| 50 | }
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| 51 | }
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| 52 | function dispatchNext(subscriber) {
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| 53 | subscriber.debouncedNext();
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| 54 | }
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| 55 | //# sourceMappingURL=debounceTime.js.map |
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