session.js

//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 
//$         SESSIONS          $
//$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

// https://fr.acervolima.com/gestion-de-session-a-l-aide-du-module-de-session-express-dans-node-js/
// TUTO EN LIGNE : session.js

const express = require("express")
const session = require('express-session')
const app = express()
    
// Port Number Setup
var PORT = process.env.port || 4000
   
// Session Setup
app.use(session({
  
    // It holds the secret key for session
    secret: 'petitePrince$$',
  
    // Forces the session to be saved
    // back to the session store
    resave: true,
  
    // Forces a session that is "uninitialized"
    // to be saved to the store
    saveUninitialized: true
}))
   
app.get("/", function(req, res){
       
    // req.session.key = value
    req.session.name = 'userSession'
    return res.send("Session Set")
})
   
app.get("/session", function(req, res){
   
    var name = req.session.name
    return res.send(name)
   
    /*  To destroy session you can use
        this function 
     req.session.destroy(function(error){
        console.log("Session Destroyed")
    })
    */
})
    
app.listen(PORT, function(error){
    if(error) throw error
    console.log("Server created Successfully on PORT :", PORT)
})