Middleware

Middleware.js

const express = require('express');
const app = express();

app.listen(3000);
app.use(express.json()); //global middleware

const authRouter = express.Router();
//On this base route usi this router
app.use('/auth', authRouter); //global middleware

//function name is middleware
authRouter
.route('/signup')
.get(middleware1, getSignUp, middleware2)
.post(postSignUp) //path specific middleware

function middleware1(req, res, next){
    console.log('middleware1 encountered');
    next();
}
function middleware2(req, res, next){
    console.log('middleware2 encountered');
    // next();
    console.log("middleware2 ended req response cycle");
    res.sendFile('/public/index.html', {root:__dirname});
}

function getSignUp(req, res, next){
    console.log("get signup called");
    next();
    // res.sendFile('/public/index.html', {root:__dirname});
}

function postSignUp(req, res){
    let dataObj = req.body;
    res.json({
        message:"User signed up",
        data: dataObj
    })
}