Every new change

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

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+import { OuterSubscriber } from '../OuterSubscriber';
+import { subscribeToResult } from '../util/subscribeToResult';
+export function distinct(keySelector, flushes) {
+    return (source) => source.lift(new DistinctOperator(keySelector, flushes));
+}
+class DistinctOperator {
+    constructor(keySelector, flushes) {
+        this.keySelector = keySelector;
+        this.flushes = flushes;
+    }
+    call(subscriber, source) {
+        return source.subscribe(new DistinctSubscriber(subscriber, this.keySelector, this.flushes));
+    }
+}
+export class DistinctSubscriber extends OuterSubscriber {
+    constructor(destination, keySelector, flushes) {
+        super(destination);
+        this.keySelector = keySelector;
+        this.values = new Set();
+        if (flushes) {
+            this.add(subscribeToResult(this, flushes));
+        }
+    }
+    notifyNext(outerValue, innerValue, outerIndex, innerIndex, innerSub) {
+        this.values.clear();
+    }
+    notifyError(error, innerSub) {
+        this._error(error);
+    }
+    _next(value) {
+        if (this.keySelector) {
+            this._useKeySelector(value);
+        }
+        else {
+            this._finalizeNext(value, value);
+        }
+    }
+    _useKeySelector(value) {
+        let key;
+        const { destination } = this;
+        try {
+            key = this.keySelector(value);
+        }
+        catch (err) {
+            destination.error(err);
+            return;
+        }
+        this._finalizeNext(key, value);
+    }
+    _finalizeNext(key, value) {
+        const { values } = this;
+        if (!values.has(key)) {
+            values.add(key);
+            this.destination.next(value);
+        }
+    }
+}
+//# sourceMappingURL=distinct.js.map