fbshipit-source-id: c71048dfea2a03cf83650b55aa9d1e463251920c

src/dispatcher/server.js

@@ -0,0 +1,44 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+import Server from '../server.js';
+
+import type {Store} from '../reducers/index.js';
+import type Logger from '../fb-stubs/Logger.js';
+
+export default (store: Store, logger: Logger) => {
+  const server = new Server(logger);
+  server.addListener('new-client', (client: Client) => {
+    store.dispatch({
+      type: 'NEW_CLIENT',
+      payload: client,
+    });
+  });
+
+  server.addListener('removed-client', (id: string) => {
+    store.dispatch({
+      type: 'CLIENT_REMOVED',
+      payload: id,
+    });
+  });
+
+  server.addListener('error', err => {
+    const payload: string =
+      err.code === 'EADDRINUSE'
+        ? "Couldn't start websocket server. Looks like you have multiple copies of Sonar running."
+        : err.message || 'Unknown error';
+
+    store.dispatch({
+      type: 'SERVER_ERROR',
+      payload,
+    });
+  });
+
+  window.addEventListener('beforeunload', () => {
+    server.close();
+  });
+};