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node_modules/rxjs/_esm2015/internal/operators/audit.js

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+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