Socket.IO - require is not defined

Question

I\'m trying to get socket.io working but now in Chrome I get the error:

Uncaught ReferenceError: require is not defined

client.php:9

Answer 1

I had the same problem, and I confirm that @thejh's solution worked. I however was unsure as to "what" was the server when I read his recommendation. I do have MAMP running on port 80. And the code below would be the "node.js server", which runs on port 8001.

Once I started the node.js server (ran the code below), a visit to http://localhost:4001/socket.io/socket.io.js returns the javascript file.

/* Node.js server */

var sys  = require('sys');
var io   = require('socket.io');
var http = require('http')
server = http.createServer(function(req, res) { 
  res.writeHead(200, {'Content-Type': 'text/html'});
  res.write('http server started');
  res.end(); 
});
server.listen(4001);


// socket.io 
var socket = io.listen(server); 
socket.on('connection', function(client) {

  client.on('message', function(message) {
    // We're in!
    console.log('received client message '+ message);
  }); 
  client.on('disconnect', function() {});
  socket.send('welcome to the local node.js server!');
});

For those within Drupal, a drupal_add_js('http://localhost:4001/socket.io/socket.io.js', array('type' => 'external', 'group' => JS_LIBRARY)); within a hook_init does the trick.