flowstate

const express = require('express'); const session = require('express-session'); const flowstate = require('flowstate'); const app = express(); // Basic session middleware is required for flowstate to persist data. // In a real application, configure a robust session store. app.use(session({ secret: process.env.SESSION_SECRET || 'a-very-secret-key', resave: false, saveUninitialized: false, cookie: { secure: false } // Set to true in production with HTTPS })); // Set up a simple view engine (e.g., EJS for demonstration) app.set('view engine', 'ejs'); app.set('views', __dirname + '/views'); app.get('/login', flowstate(), function(req, res, next) { // Access current state via req.state const messages = req.state.messages || []; res.locals.messages = messages; res.locals.hasMessages = !! messages.length; // Propagate return_to and state via res.locals for view rendering // if not already managed by flowstate itself (e.g., if a new state is created) res.locals.returnTo = res.locals.returnTo || req.query.return_to; res.locals.stateParam = res.locals.state || req.query.state; console.log('Current state handle:', res.locals.stateParam); console.log('Return to:', res.locals.returnTo); res.render('login', { title: 'Login', // Example: Pass state information to the view flowstateHandle: res.locals.stateParam, returnTo: res.locals.returnTo }); }); // Dummy /views/login.ejs content for illustration: // <form action="/login" method="POST"> // <input type="hidden" name="return_to" value="<%= returnTo %>"> // <input type="hidden" name="state" value="<%= flowstateHandle %>"> // <button type="submit">Login</button> // </form> app.listen(3000, () => { console.log('Server running on http://localhost:3000'); console.log('Try visiting: http://localhost:3000/login?return_to=/dashboard'); });