Proxies die mid-stream. Solution: Implement a .filter() that checks for HTTP error codes and re-routes dead proxies to a .catch() stream that removes them from the active list.

) .each(result => console.log(JSON.stringify(result, null, 2))) .run();

// Create a stream of URLs to scrape const urlStream = DataStream.from([ 'https://httpbin.org/ip', 'https://httpbin.org/ip', 'https://httpbin.org/user-agent' ]);