@reactivex/rxjs/dist/es6/operator/auditTime.js

Reactive Extensions for modern JavaScript

import { async } from '../scheduler/async';
import { Subscriber } from '../Subscriber';
/**
 * @param delay
 * @param scheduler
 * @return {Observable<R>|WebSocketSubject<T>|Observable<T>}
 * @method auditTime
 * @owner Observable
 */
export function auditTime(delay, scheduler = async) {
    return this.lift(new AuditTimeOperator(delay, scheduler));
}
class AuditTimeOperator {
    constructor(delay, scheduler) {
        this.delay = delay;
        this.scheduler = scheduler;
    }
    call(subscriber, source) {
        return source._subscribe(new AuditTimeSubscriber(subscriber, this.delay, this.scheduler));
    }
}
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @ignore
 * @extends {Ignored}
 */
class AuditTimeSubscriber extends Subscriber {
    constructor(destination, delay, scheduler) {
        super(destination);
        this.delay = delay;
        this.scheduler = scheduler;
        this.hasValue = false;
    }
    _next(value) {
        this.value = value;
        this.hasValue = true;
        if (!this.throttled) {
            this.add(this.throttled = this.scheduler.schedule(dispatchNext, this.delay, this));
        }
    }
    clearThrottle() {
        const { value, hasValue, throttled } = this;
        if (throttled) {
            this.remove(throttled);
            this.throttled = null;
            throttled.unsubscribe();
        }
        if (hasValue) {
            this.value = null;
            this.hasValue = false;
            this.destination.next(value);
        }
    }
}
function dispatchNext(subscriber) {
    subscriber.clearThrottle();
}
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