63 lines
1.9 KiB
JavaScript
63 lines
1.9 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 audit(durationSelector) {
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return function auditOperatorFunction(source) {
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return source.lift(new AuditOperator(durationSelector));
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};
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}
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class AuditOperator {
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constructor(durationSelector) {
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this.durationSelector = durationSelector;
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}
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call(subscriber, source) {
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return source.subscribe(new AuditSubscriber(subscriber, this.durationSelector));
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}
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}
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class AuditSubscriber extends OuterSubscriber {
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constructor(destination, durationSelector) {
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super(destination);
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this.durationSelector = durationSelector;
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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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if (!this.throttled) {
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let duration;
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try {
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const { durationSelector } = this;
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duration = durationSelector(value);
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}
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catch (err) {
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return this.destination.error(err);
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}
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const innerSubscription = subscribeToResult(this, duration);
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if (!innerSubscription || innerSubscription.closed) {
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this.clearThrottle();
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}
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else {
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this.add(this.throttled = innerSubscription);
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}
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}
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}
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clearThrottle() {
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const { value, hasValue, throttled } = this;
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if (throttled) {
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this.remove(throttled);
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this.throttled = null;
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throttled.unsubscribe();
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}
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if (hasValue) {
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this.value = null;
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this.hasValue = false;
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this.destination.next(value);
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}
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}
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notifyNext(outerValue, innerValue, outerIndex, innerIndex) {
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this.clearThrottle();
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}
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notifyComplete() {
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this.clearThrottle();
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}
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}
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//# sourceMappingURL=audit.js.map
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