use-express-middlewares

const express = require('express'); const wrapMiddleware = require('use-express-middlewares'); const app = express(); const port = 3000; // A typical Express middleware (callback-based) const loggerMiddleware = (req, res, next) => { console.log(`[Express Log] ${req.method} ${req.url} at ${new Date().toISOString()}`); next(); // Call next to pass control to the next middleware }; // Wrap the Express middleware to return a Promise const promiseLoggerMiddleware = wrapMiddleware(loggerMiddleware); // Simulate a 'use-*' context that expects a Promise async function processRequest(req, res) { try { console.log('--- Starting Request Processing ---'); await promiseLoggerMiddleware(req, res); console.log('--- Wrapped Middleware Completed ---'); // Continue with other promise-based operations or send response res.status(200).send('Request processed successfully via wrapped middleware.'); } catch (error) { console.error('Error in processing:', error); res.status(500).send('An error occurred.'); } } // Example of using the wrapped middleware directly in a route handler app.get('/', async (req, res) => { // In a real 'use-*' framework, this would be handled by the framework itself. // Here, we manually call and await it to demonstrate its promise-returning nature. await processRequest(req, res); }); app.listen(port, () => { console.log(`Server listening at http://localhost:${port}`); console.log('Access http://localhost:3000/ in your browser.'); });