beautify code

index.js

@@ -3,7 +3,7 @@ var socket = require('socket.io');
 
 // App setup
 var app = express();
-var server = app.listen(4000, function(){
+var server = app.listen(4000, function () {
     console.log('listening for requests on port 4000,');
 });
 
@@ -17,14 +17,14 @@ io.on('connection', (socket) => {
     console.log('made socket connection', socket.id);
 
     // Handle chat event
-    socket.on('chat', function(data){
+    socket.on('chat', function (data) {
         // console.log(data);
         io.sockets.emit('chat', data);
     });
 
     // Handle typing event
-    socket.on('typing', function(data){
+    socket.on('typing', function (data) {
         socket.broadcast.emit('typing', data);
     });
 
-});
+});