Simple Firebase function for redirecting to a URL by checking a query string

firebase_functions.js

const functions = require('firebase-functions');
const admin = require('firebase-admin');
const defaultApp = admin.initializeApp(functions.config().firebase);

exports.redirect = functions.https.onRequest((req, res) => {
    
    const redirectId = req.query.id;
    console.log(redirectId);
    var redirectUrl;
    switch(redirectId){
        default :
        redirectUrl = "https://www.youtube.com/watch?v=hms44V0cGhQ";
        console.log(redirectUrl);
        break;
    }
    res.redirect(redirectUrl);
  });

// https://us-central1-*****.cloudfunctions.net/redirect?id=foo