Updating for latest versions of Node, Express, and MongoDB

README.md

@@ -1,4 +1,4 @@
-# Creating a Simple RESTful Web App with Node.js, Express, and MongoDB
+#Creating a Simple RESTful Web App with Node.js, Express, and MongoDB
 
 A complete sample project for Front-End developers teaching the basics of REST and using them to build an easy, fast, single-page web app.
 

app.js

@@ -1,28 +1,26 @@
+var createError = require('http-errors');
 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 logger = require('morgan');
+
 // Database
 var mongo = require('mongodb');
 var monk = require('monk');
 var db = monk('localhost:27017/nodetest2');
 
-var routes = require('./routes/index');
-var users = require('./routes/users');
+var indexRouter = require('./routes/index');
+var usersRouter = require('./routes/users');
 
 var app = express();
 
 // 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(express.json());
+app.use(express.urlencoded({ extended: false }));
 app.use(cookieParser());
 app.use(express.static(path.join(__dirname, 'public')));
 
@@ -32,39 +30,23 @@ app.use(function(req,res,next){
     next();
 });
 
-app.use('/', routes);
-app.use('/users', users);
+app.use('/', indexRouter);
+app.use('/users', usersRouter);
 
-/// catch 404 and forwarding to error handler
+// catch 404 and forward to error handler
 app.use(function(req, res, next) {
-    var err = new Error('Not Found');
-    err.status = 404;
-    next(err);
+  next(createError(404));
 });
 
-/// 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
+// error handler
 app.use(function(err, req, res, next) {
-    res.status(err.status || 500);
-    res.render('error', {
-        message: err.message,
-        error: {}
-    });
-});
+  // 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;