app.js

'use strict';
const express = require('express');
const path = require('path');
const favicon = require('serve-favicon');
const logger = require('morgan');
const bodyParser = require('body-parser');
const http = require('http');

const app = express();

const server = http.createServer(app).listen(3000);

const io = require('socket.io').listen(server);

const routes = require('./routes/index');
const sockets = require('./routes/socket');
sockets(io);

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

app.use(favicon(__dirname + '/public/images/favicon.ico'));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: true}));
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', routes);

// / catch 404 and forwarding to error handler
app.use(function (req, res, next) {
  const 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;