connect-compose

const connect = require('connect'); const compose = require('connect-compose'); const http = require('http'); const app = connect(); // Middleware 1: Adds a property to the request object function mw1 (req, res, next) { req.stuff = ['mw1']; next(); } // Middleware 2: Modifies the property added by mw1 function mw2 (req, res, next) { req.stuff.push('mw2'); next(); } // Final middleware: Sends the aggregated 'stuff' as a response function mw3 (req, res) { res.end(req.stuff.join(', ')); } // Compose mw1 and mw2 into a single middleware and apply it app.use(compose([mw1, mw2])); // Apply the final middleware app.use(mw3); // Create an HTTP server and listen on port 6060 const server = http.createServer(app); server.listen(6060, () => { console.log('Connect app listening on http://localhost:6060'); console.log('Try visiting http://localhost:6060 in your browser.'); });