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');

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

var app = express();

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

// 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')));

app.use('/', index);
app.use('/users', users);

// 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 handler
app.use(function(err, req, res/*, next*/) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;

@@ -1,11 +1,11 @@
-var
+let
  express
@@ -27,19 +27,19 @@
 ress');%0A
-var
+let
  path = 
@@ -57,19 +57,19 @@
 th');%0A//
-var
+let
  favicon
@@ -97,19 +97,19 @@
 icon');%0A
-var
+let
  logger 
@@ -129,19 +129,19 @@
 rgan');%0A
-var
+let
  cookieP
@@ -174,19 +174,19 @@
 rser');%0A
-var
+let
  bodyPar
@@ -216,19 +216,19 @@
 ser');%0A%0A
-var
+let
  index =
@@ -255,19 +255,19 @@
 ndex');%0A
-var
+let
  users =
@@ -295,19 +295,19 @@
 ers');%0A%0A
-var
+let
  app = e
@@ -856,11 +856,11 @@
 %7B%0A  
-var
+let
  err

modify 20-express