cacheable-request

import http from 'http'; import CacheableRequest from 'cacheable-request'; // Create a basic HTTP server to simulate responses const server = http.createServer((req, res) => { if (req.url === '/cached') { res.setHeader('Cache-Control', 'max-age=10'); res.setHeader('ETag', '"abc"'); res.end('Hello from cacheable server!'); } else { res.end('Not cached content'); } }); server.listen(3000, async () => { console.log('Server listening on http://localhost:3000'); // Instantiate CacheableRequest with Node's native http.request const cacheable = new CacheableRequest(http.request).request(); const makeRequest = (url) => { return new Promise((resolve, reject) => { const req = cacheable(url, (response) => { let data = ''; response.on('data', (chunk) => (data += chunk)); response.on('end', () => { console.log(` URL: ${url}`); console.log(`Status: ${response.statusCode}`); console.log(`From Cache: ${response.fromCache ? 'Yes' : 'No'}`); console.log(`Data: ${data}`); resolve({ statusCode: response.statusCode, fromCache: response.fromCache, data }); }); }); req.on('request', (req) => req.end()); req.on('error', reject); }); }; console.log('--- First request ---'); await makeRequest('http://localhost:3000/cached'); console.log('\n--- Second request (should be from cache) ---'); await makeRequest('http://localhost:3000/cached'); console.log('\n--- Request to non-cached path ---'); await makeRequest('http://localhost:3000/non-cached'); server.close(() => console.log('\nServer closed.')); });