Error first callback for listening on the server.

npm install connected
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This module is born out of an annoyance with the Node core. Every method that receives a callback is called using an error first callback. But this is not the case with servers. When you tell the server to start listening on the given port it can will emit an error event when it failed.


npm install connected --save


var connected = require('connected')
  , http = require('http');

var app = http.createServer(function (req, res) {
  res.end('wobble wobble');

connected(app, 80, function (err) {
  // Received an error because we are not allowed to listen on port 80

And thats it.



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