JSFiddle - React, Tailwind, and code Playground

HTML

/// MY VIEW RELEVANT INFO 

script(src='/javascripts/chat.js')
    script(src='https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js')
    script(src='/javascripts/socket.io-1.2.0.js')
    script.
        var socket = io.connect();

JavaScript

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

// Database
var mongo = require('mongoskin');
var db = mongo.db("mongodb://localhost:27017/basis", {native_parser:true});

var routes = require('./routes/index');
var users = require('./routes/users');
var rooms = require('./routes/rooms');
var lines = require('./routes/lines');

var app = express();


    var http    =     require('http').Server(app);
    var io      =     require("socket.io")(http);
    io.on('connection',function(socket){  
        console.log("A user is connected");
    });

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// uncomment after placing your favicon in /public
//app.use(favicon(__dirname + '/public/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// Make our db accessible to our router
app.use(function(req,res,next){
    req.db = db;
    next();
});

app.use('/', routes);
app.use('/users', users);
app.use('/rooms', rooms);
app.use('/lines', lines);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;