Set up new module structure

node_modules/socket.io/examples/irc-output/app.js

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+/**
+ * Module dependencies.
+ */
+
+var express = require('express')
+  , stylus = require('stylus')
+  , nib = require('nib')
+  , sio = require('../../lib/socket.io')
+  , irc = require('./irc');
+
+/**
+ * App.
+ */
+
+var app = express.createServer();
+
+/**
+ * App configuration.
+ */
+
+app.configure(function () {
+  app.use(stylus.middleware({ src: __dirname + '/public', compile: compile }))
+  app.use(express.static(__dirname + '/public'));
+  app.set('views', __dirname);
+  app.set('view engine', 'jade');
+
+  function compile (str, path) {
+    return stylus(str)
+      .set('filename', path)
+      .use(nib());
+  };
+});
+
+/**
+ * App routes.
+ */
+
+app.get('/', function (req, res) {
+  res.render('index', { layout: false });
+});
+
+/**
+ * App listen.
+ */
+
+app.listen(3000, function () {
+  var addr = app.address();
+  console.log('   app listening on http://' + addr.address + ':' + addr.port);
+});
+
+/**
+ * Socket.IO server
+ */
+
+var io = sio.listen(app)
+
+/**
+ * Connect to IRC.
+ */
+
+var client = new irc.Client('irc.freenode.net', 6667);
+client.connect('socketio\\test\\' + String(Math.random()).substr(-3));
+client.on('001', function () {
+  this.send('JOIN', '#node.js');
+});
+client.on('PART', function (prefix) {
+  io.sockets.emit('announcement', irc.user(prefix) + ' left the channel');
+});
+client.on('JOIN', function (prefix) {
+  io.sockets.emit('announcement', irc.user(prefix) + ' joined the channel');
+});
+client.on('PRIVMSG', function (prefix, channel, text) {
+  io.sockets.emit('irc message', irc.user(prefix), text);
+});

node_modules/socket.io/examples/irc-output/index.jade

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+doctype 5
+html
+  head
+    link(href='/stylesheets/style.css', rel='stylesheet')
+    script(src='http://code.jquery.com/jquery-1.6.1.min.js')
+    script(src='/socket.io/socket.io.js')
+    script
+      var socket = io.connect();
+
+      socket.on('connect', function () {
+        $('#irc').addClass('connected');
+      });
+
+      socket.on('announcement', function (msg) {
+        $('#messages').append($('<p>').append($('<em>').text(msg)));
+        $('#messages').get(0).scrollTop = 10000000;
+      });
+
+      socket.on('irc message', function (user, msg) {
+        $('#messages').append($('<p>').append($('<b>').text(user), msg));
+        $('#messages').get(0).scrollTop = 10000000;
+      });
+  body
+    h2 Node.JS IRC
+    #irc
+      #connecting
+        .wrap Connecting to socket.io server
+      #messages

node_modules/socket.io/examples/irc-output/irc.js

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+/**
+ * From https://github.com/felixge/nodelog/
+ */
+
+var sys = require('util');
+var tcp = require('net');
+var irc = exports;
+
+function bind(fn, scope) {
+  var bindArgs = Array.prototype.slice.call(arguments);
+  bindArgs.shift();
+  bindArgs.shift();
+
+  return function() {
+    var args = Array.prototype.slice.call(arguments);
+    fn.apply(scope, bindArgs.concat(args));
+  };
+}
+
+function each(set, iterator) {
+  for (var i = 0; i < set.length; i++) {
+    var r = iterator(set[i], i);
+    if (r === false) {
+      return;
+    }
+  }
+}
+
+var Client = irc.Client = function(host, port) {
+  this.host = host || 'localhost';
+  this.port = port || 6667;
+
+  this.connection = null;
+  this.buffer = '';
+  this.encoding = 'utf8';
+  this.timeout = 10 * 60 * 60 * 1000;
+
+  this.nick = null;
+  this.user = null;
+  this.real = null;
+}
+sys.inherits(Client, process.EventEmitter);
+
+Client.prototype.connect = function(nick, user, real) {
+  var connection = tcp.createConnection(this.port, this.host);
+  connection.setEncoding(this.encoding);
+  connection.setTimeout(this.timeout);
+  connection.addListener('connect', bind(this.onConnect, this));
+  connection.addListener('data', bind(this.onReceive, this));
+  connection.addListener('end', bind(this.onEof, this));
+  connection.addListener('timeout', bind(this.onTimeout, this));
+  connection.addListener('close', bind(this.onClose, this));
+
+  this.nick = nick;
+  this.user = user || 'guest';
+  this.real = real || 'Guest';
+
+  this.connection = connection;
+};
+
+Client.prototype.disconnect = function(why) {
+  if (this.connection.readyState !== 'closed') {
+    this.connection.close();
+    sys.puts('disconnected (reason: '+why+')');
+    this.emit('DISCONNECT', why);
+  }
+};
+
+Client.prototype.send = function(arg1) {
+  if (this.connection.readyState !== 'open') {
+    return this.disconnect('cannot send with readyState: '+this.connection.readyState);
+  }
+
+  var message = [];
+  for (var i = 0; i< arguments.length; i++) {
+    if (arguments[i]) {
+      message.push(arguments[i]);
+    }
+  }
+  message = message.join(' ');
+
+  sys.puts('> '+message);
+  message = message + "\r\n";
+  this.connection.write(message, this.encoding);
+};
+
+Client.prototype.parse = function(message) {
+  var match = message.match(/(?:(:[^\s]+) )?([^\s]+) (.+)/);
+  var parsed = {
+    prefix: match[1],
+    command: match[2]
+  };
+
+  var params = match[3].match(/(.*?) ?:(.*)/);
+  if (params) {
+    // Params before :
+    params[1] = (params[1])
+      ? params[1].split(' ')
+      : [];
+    // Rest after :
+    params[2] = params[2]
+      ? [params[2]]
+      : [];
+
+    params = params[1].concat(params[2]);
+  } else {
+    params = match[3].split(' ');
+  }
+
+  parsed.params = params;
+  return parsed;
+};
+
+Client.prototype.onConnect = function() {
+  this.send('NICK', this.nick);
+  this.send('USER', this.user, '0', '*', ':'+this.real);
+};
+
+Client.prototype.onReceive = function(chunk) {
+  this.buffer = this.buffer + chunk;
+  
+  while (this.buffer) {
+    var offset = this.buffer.indexOf("\r\n");
+    if (offset < 0) {
+      return;
+    }
+  
+    var message = this.buffer.substr(0, offset);
+    this.buffer = this.buffer.substr(offset + 2);
+    sys.puts('< '+message);
+
+    message = this.parse(message);
+
+    this.emit.apply(this, [message.command, message.prefix].concat(message.params));
+
+    if (message !== false) {
+      this.onMessage(message);
+    }
+  }
+}; 
+
+Client.prototype.onMessage = function(message) {
+  switch (message.command) {
+    case 'PING':
+      this.send('PONG', ':'+message.params[0]);
+      break;
+  }
+};
+
+Client.prototype.onEof = function() {
+  this.disconnect('eof');
+};
+
+Client.prototype.onTimeout = function() {
+  this.disconnect('timeout');
+};
+
+Client.prototype.onClose = function() {
+  this.disconnect('close');
+};
+
+exports.user = function(prefix) {
+  return prefix.match(/:([^!]+)!/)[1]
+};

node_modules/socket.io/examples/irc-output/package.json

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+{
+    "name": "socket.io-irc"
+  , "version": "0.0.1"
+  , "dependencies": {
+        "express": "2.5.5"
+      , "jade": "0.16.4"
+      , "stylus": "0.19.0"
+      , "nib": "0.2.0"
+    }
+}

node_modules/socket.io/examples/irc-output/public/stylesheets/style.styl

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+@import 'nib'
+
+h2
+  font bold 18px Helvetica Neue, Arial
+
+#irc, #messages
+  width 600px
+
+#irc
+  position relative
+  border 1px solid #ccc
+
+#connecting
+  position absolute
+  height 410px
+  z-index 100
+  left 0
+  top 0
+  background #fff
+  text-align center
+  width 600px
+  font 15px Georgia
+  color #666
+  display block
+  .wrap
+    padding-top 150px
+
+.connected
+  #connecting
+    display none
+
+#messages
+  height 380px
+  background #eee
+  overflow auto
+  overflow-x hidden
+  overflow-y auto
+  &::-webkit-scrollbar
+    width 6px
+    height 6px
+  &::-webkit-scrollbar-button:start:decrement, ::-webkit-scrollbar-button:end:increment
+    display block
+    height 10px
+  &::-webkit-scrollbar-button:vertical:increment
+    background-color #fff
+  &::-webkit-scrollbar-track-piece
+    background-color #fff
+    -webkit-border-radius 3px
+  &::-webkit-scrollbar-thumb:vertical
+    height 50px
+    background-color #ccc
+    -webkit-border-radius 3px
+  &::-webkit-scrollbar-thumb:horizontal
+    width 50px
+    background-color #fff
+    -webkit-border-radius 3px
+  em
+    text-shadow 0 1px 0 #fff
+    color #999
+  p
+    padding 0
+    margin 0
+    font 12px Helvetica, Arial
+    padding 5px 10px
+    b
+      display inline-block
+      padding-right 10px
+  p:nth-child(even)
+    background #fafafa