| import { OuterSubscriber } from '../OuterSubscriber'; |
| import { subscribeToResult } from '../util/subscribeToResult'; |
| export function audit(durationSelector) { |
| return function auditOperatorFunction(source) { |
| return source.lift(new AuditOperator(durationSelector)); |
| }; |
| } |
| class AuditOperator { |
| constructor(durationSelector) { |
| this.durationSelector = durationSelector; |
| } |
| call(subscriber, source) { |
| return source.subscribe(new AuditSubscriber(subscriber, this.durationSelector)); |
| } |
| } |
| class AuditSubscriber extends OuterSubscriber { |
| constructor(destination, durationSelector) { |
| super(destination); |
| this.durationSelector = durationSelector; |
| this.hasValue = false; |
| } |
| _next(value) { |
| this.value = value; |
| this.hasValue = true; |
| if (!this.throttled) { |
| let duration; |
| try { |
| const { durationSelector } = this; |
| duration = durationSelector(value); |
| } |
| catch (err) { |
| return this.destination.error(err); |
| } |
| const innerSubscription = subscribeToResult(this, duration); |
| if (!innerSubscription || innerSubscription.closed) { |
| this.clearThrottle(); |
| } |
| else { |
| this.add(this.throttled = innerSubscription); |
| } |
| } |
| } |
| 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); |
| } |
| } |
| notifyNext(outerValue, innerValue, outerIndex, innerIndex) { |
| this.clearThrottle(); |
| } |
| notifyComplete() { |
| this.clearThrottle(); |
| } |
| } |
| //# sourceMappingURL=audit.js.map |