Sessions in Express.js

var session = require('express-session');
const MongoStore = require('connect-mongo')(session);

app.use(session({
    key: 'ERP.Session',
    secret: '310E56DD8E7C',
    resave:true,
    saveUninitialized:true,
    store: new MongoStore({
        url: 'mongodb://localhost/ERP'
    })
}));

Setting Session Variables

req.session.name = 'Napoleon';
req.session['primary skill'] = 'Dancing';

Reading Session Variables

var name = req.session.name;
var primary_skill = req.session['primary skill'];

Updating Session Variables

req.session.skills.push('Baking');
req.session.name = 'Pedro';

Deleting Session Variables

delete req.session.name
delete req.session['primary skill'];

Deleting a Session

req.session.destroy();

req.session.destroy(function() {
  res.send('Session deleted');
});

References
http://expressjs-book.com/index.html%3Fp=128.html
https://github.com/expressjs/session
https://github.com/jdesboeufs/connect-mongo

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