'use strict';

require('dotenv').config({silent: true});

var express = require('express')
  , path = require('path')
  , favicon = require('serve-favicon')
  , logger = require('morgan')
  , cookieParser = require('cookie-parser')
  , bodyParser = require('body-parser')
  , conferenceRouter = require('./routes/conference')
  , tokenRouter = require('./routes/token')
  , app = express();

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

// uncomment after placing your favicon in /public
// app.use(favicon(path.join(__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')));

// routes
app.get('/', function (req, res) {
  res.render('index');
});
app.use('/conference', conferenceRouter);
app.use('/token', tokenRouter);


// 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) {
    console.trace(err);
    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;

'use strict';

require('dotenv').config({silent: true});

var express = require('express')
  , path = require('path')
  , favicon = require('serve-favicon')
  , logger = require('morgan')
  , cookieParser = require('cookie-parser')
  , bodyParser = require('body-parser')
  , conferenceRouter = require('./routes/conference')
  , tokenRouter = require('./routes/token')
  , app = express();

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

app.use(favicon(path.join(__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')));

// routes
app.get('/', function (req, res) {
  res.render('index');
});
app.use('/conference', conferenceRouter);
app.use('/token', tokenRouter);


// 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) {
    console.trace(err);
    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;

Remove unnecessary comment