app.js

var Campfire = require("../lib/campfire").Campfire;
var express = require("express");
var app = express();
var port = 3700;

app.set('views', __dirname + '/tpl');
app.set('view engine', "jade");
app.engine('jade', require('jade').__express);
app.use(express.static(__dirname + '/public'));

app.get("/", function(req, res){
  res.render("page");
});

var io = require('socket.io').listen(app.listen(port));

io.sockets.on('connection', function (socket) {
  socket.emit('message', { message: 'welcome to the chat' });
  socket.on('send', function (data) {
    io.sockets.emit('message', data);
  });
});
console.log("Listening on port " + port);


   ////////////////
    // Campfire API
    ////////////////

    var instance = new Campfire({
      ssl     : true,
      token   : "c702f23c9e282ad04c5053d371fd0f6244ee33b8",
      account : "visualhero1"
    });

    instance.join(571821, function(error, room) {
      room.listen(function(message) {
        console.log("listening to room")
        if (message.body == "/wfh") {
          console.log("PING received.");

          room.speak("working from home", function(error, response) {
            console.log("PONG sent at " + response.message.created_at + ".");
          });
          room.speak("user ID: "+message.userId);

          var text = "working from home";
          
          socket.emit('message', { message: 'welcome to the chat' });
          socket.on('send', function (data) {
            io.sockets.emit('message', data);
          });
        
        } else {
          console.log("Received unknown message:");
          console.log(message);
        }
      });
    });

logic.js

window.onload = function() {

    var messages = [];
    var socket = io.connect('http://localhost:3700');
    var field = document.getElementById("field");
    var sendButton = document.getElementById("send");
    var content = document.getElementById("content");
    var name = document.getElementById("name");

    socket.on('message', function (data) {
        if(data.message) {
            messages.push(data);
            var html = '';
            for(var i=0; i<messages.length; i++) {
                html += '<b>' + (messages[i].username ? messages[i].username : 'Server') + ': </b>';
                html += messages[i].message + '<br />';
            }
            content.innerHTML = html;
        } else {
            console.log("There is a problem:", data);
        }
    });
}

page.js

!!!
html
  head
		title= "Real time web chat"
		script(src='/logic.js')
		script(src='/socket.io/socket.io.js')
	body
		#content(style='width: 500px; height: 300px; margin: 0 0 20px 0; border: solid 1px #999; overflow-y: scroll;')
		.controls
			| Name: 
			input#name(style='width:350px;')
			br
			input#field(style='width:350px;')
			input#send(type='button', value='send')