passpostJS-FacebookStrategy-routes.js

//Routes

//User gets here upon successful login
router.get('/home', (req, res) => {
    res.json({ user: user });
});

//This is so you know if a Login attempt failed
router.get('/login', (req, res) => { 
  res.json({msg: "login failed"}); 
});

//This endpoint connects the User to Facebook
router.get('/login/facebook', passport.authenticate('facebook'));

//This endpoint is the Facebook Callback URL and on success or failure returns a response to the app
router.get('/return', passport.authenticate('facebook', {          
            failureRedirect: '/login' }), (req, res) => {
                     res.redirect('/user/home');
});