express handlebars

1$ npm install express-handlebars

1$ npm install --save express express-handlebars
2

1$ npm install express-handlebars

1const express = require('express')
2const path = require('path')
3**const Handlebars = require('handlebars')**
4**const hbs = require('express-handlebars');**
5const bodyParser = require('body-parser');
6
7**const { allowInsecurePrototypeAccess } = require('@handlebars/allow-prototype-access');**
8const employeeController = require('./controller/employeeController')
9
10const app = express()
11app.use(bodyParser.urlencoded({ extended: true }))
12app.use(bodyParser.json())
13
14app.set('views', path.join(__dirname, '/views/'))
15app.engine('hbs', hbs({ extname: 'hbs', defaultLayout: 'mainLayout', layoutsDir: __dirname + '/views/layouts/', **handlebars: allowInsecurePrototypeAccess(Handlebars)** }))
16app.set('view engine', 'hbs')
17
18app.listen(3000, () => {
19    console.log('Server started at port 3000')
20})
21
22app.use(employeeController)
23

1router.get('/list', (req, res) => {
2Employee.find((err, docs) => {
3    if (!err) {
4        res.render("employee/list", {
5            list: docs,
6        });
7    }
8    else {
9        console.log('Error in retrieving employee list :' + err);
10    }
11})**.lean()**; // It is prevent the warning when trying to display records
12