connect-static-file

const express = require('express'); const staticFile = require('connect-static-file'); const path = require('path'); const fs = require('fs'); const app = express(); const port = 3000; // Create a dummy file for the example const dummyFilePath = path.join(__dirname, 'hello.txt'); fs.writeFileSync(dummyFilePath, 'Hello from connect-static-file!'); // Serve the dummy file at /hello.txt app.use('/hello.txt', staticFile(dummyFilePath, { maxAge: '1d', // Cache for 1 day headers: { 'X-Powered-By': 'connect-static-file' } })); // Serve a pre-gzipped version of a bundle if supported, with a fallback const gzippedBundlePath = path.join(__dirname, 'bundle.js.gz'); const unzippedBundlePath = path.join(__dirname, 'bundle.js'); fs.writeFileSync(unzippedBundlePath, 'console.log("This is the uncompressed bundle.");'); // In a real app, you'd generate gzippedBundlePath via a build step fs.writeFileSync(gzippedBundlePath, Buffer.from('\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\x03\xcbH\xcd\xc9\xc9W(\xcf/\xcaIQ\x04\x00\x9d\x1a\xa0*\x1e\x00\x00\x00', 'binary')); // Minimal gzip for 'Hello' app.use('/bundle.js', staticFile(gzippedBundlePath, { encoded: 'gzip', maxAge: '7d' })); app.use('/bundle.js', staticFile(unzippedBundlePath, { maxAge: '7d' })); // Fallback app.listen(port, () => { console.log(`Server listening at http://localhost:${port}`); console.log(`Try accessing: http://localhost:${port}/hello.txt`); console.log(`Try accessing: http://localhost:${port}/bundle.js (will serve gzip if supported by browser)`); }); // Cleanup dummy files on process exit process.on('exit', () => { fs.unlinkSync(dummyFilePath); fs.unlinkSync(gzippedBundlePath); fs.unlinkSync(unzippedBundlePath); });