Add production dependencies

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

@@ -0,0 +1,52 @@
+import { Subscriber } from '../Subscriber';
+export function refCount() {
+    return function refCountOperatorFunction(source) {
+        return source.lift(new RefCountOperator(source));
+    };
+}
+class RefCountOperator {
+    constructor(connectable) {
+        this.connectable = connectable;
+    }
+    call(subscriber, source) {
+        const { connectable } = this;
+        connectable._refCount++;
+        const refCounter = new RefCountSubscriber(subscriber, connectable);
+        const subscription = source.subscribe(refCounter);
+        if (!refCounter.closed) {
+            refCounter.connection = connectable.connect();
+        }
+        return subscription;
+    }
+}
+class RefCountSubscriber extends Subscriber {
+    constructor(destination, connectable) {
+        super(destination);
+        this.connectable = connectable;
+    }
+    _unsubscribe() {
+        const { connectable } = this;
+        if (!connectable) {
+            this.connection = null;
+            return;
+        }
+        this.connectable = null;
+        const refCount = connectable._refCount;
+        if (refCount <= 0) {
+            this.connection = null;
+            return;
+        }
+        connectable._refCount = refCount - 1;
+        if (refCount > 1) {
+            this.connection = null;
+            return;
+        }
+        const { connection } = this;
+        const sharedConnection = connectable._connection;
+        this.connection = null;
+        if (sharedConnection && (!connection || sharedConnection === connection)) {
+            sharedConnection.unsubscribe();
+        }
+    }
+}
+//# sourceMappingURL=refCount.js.map