Add web front-end and fix API issues

node_modules/rxjs/dist/esm5/internal/operators/refCount.js

@@ -0,0 +1,26 @@
+import { operate } from '../util/lift';
+import { createOperatorSubscriber } from './OperatorSubscriber';
+export function refCount() {
+    return operate(function (source, subscriber) {
+        var connection = null;
+        source._refCount++;
+        var refCounter = createOperatorSubscriber(subscriber, undefined, undefined, undefined, function () {
+            if (!source || source._refCount <= 0 || 0 < --source._refCount) {
+                connection = null;
+                return;
+            }
+            var sharedConnection = source._connection;
+            var conn = connection;
+            connection = null;
+            if (sharedConnection && (!conn || sharedConnection === conn)) {
+                sharedConnection.unsubscribe();
+            }
+            subscriber.unsubscribe();
+        });
+        source.subscribe(refCounter);
+        if (!refCounter.closed) {
+            connection = source.connect();
+        }
+    });
+}
+//# sourceMappingURL=refCount.js.map