R01 - error-handler

app.js

@@ -1,15 +1,19 @@
+if (process.env.NODE_ENV !== 'production') {
+  require('dotenv').config()
+}
 const express = require('express')
 const helpers = require('./_helpers');
 
 const app = express()
-const port = 3000
+const port = process.env.PORT || 3000
+
 
 // use helpers.getUser(req) to replace req.user
 function authenticated(req, res, next){
   // passport.authenticate('jwt', { ses...
 };
 
 app.get('/', (req, res) => res.send('Hello World!'))
-app.listen(port, () => console.log(`Example app listening on port ${port}!`))
-
+//app.listen(port, () => console.log(`Example app listening on port ${port}!`))
+app.listen(port, () => console.log(`http://localhost:${port}`))
 module.exports = app

middleware/error-handler.js

@@ -0,0 +1,13 @@
+module.exports = {
+
+  generalErrorHandler (err, req, res, next) {
+    if (err instanceof Error) {
+      req.flash('error_messages', `${err.name}: ${err.message}`)
+    } else {
+      req.flash('error_messages', `${err}`)
+    }
+    res.redirect('back')
+    next(err)
+  }
+
+}