gistfile1.txt

var middleware = function() {
  return function(req, res, next) {
    console.log('pre');
    next();
    console.log('post');
  };
};

var connect = require('connect');
var http = require('http');

var app = connect() 
  .use(middleware())
  .use(function(req, res) {
    console.log('blablabla');
    res.end('blablabla');
  });
http.createServer(app).listen(3000);  <== Throws an exception:


node.js:201
        throw e; // process.nextTick error, or 'error' event on first tick
              ^
Error: addListener only takes instances of Function
    at Server.<anonymous> (events.js:101:11)
    at new Server (http.js:1333:10)
    at Object.createServer (http.js:1350:10)
    at Object.<anonymous> (/home/golo/test/test.js:32:6)
    at Module._compile (module.js:432:26)
    at Object..js (module.js:450:10)
    at Module.load (module.js:351:31)
    at Function._load (module.js:310:12)
    at Array.0 (module.js:470:10)
    at EventEmitter._tickCallback (node.js:192:40)