[ReactNative] Bring Chrome debugger to OSS. Part 2

packager/webSocketProxy.js

@@ -0,0 +1,41 @@
+/**
+ * Copyright 2004-present Facebook. All Rights Reserved.
+ */
+
+'use strict';
+
+var WebSocketServer = require('ws').Server;
+
+function attachToServer(server, path) {
+  var wss = new WebSocketServer({
+    server: server,
+    path: path
+  });
+  var clients = [];
+
+  wss.on('connection', function(ws) {
+    clients.push(ws);
+
+    var allClientsExcept = function(ws) {
+      return clients.filter(function(cn) { return cn !== ws; });
+    };
+
+    ws.onerror = function() {
+      clients = allClientsExcept(ws);
+    };
+
+    ws.onclose = function() {
+      clients = allClientsExcept(ws);
+    };
+
+    ws.on('message', function(message) {
+      allClientsExcept(ws).forEach(function(cn) {
+        cn.send(message);
+      });
+    });
+  });
+}
+
+module.exports = {
+  attachToServer: attachToServer
+};