Function traceRouteHandler

api/trace-route.js:31–55

(url)

  err?.code === 'ENOENT' || /command not found|not installed/i.test(err?.message || '');

const traceRouteHandler = async (url) => {
  const start = Date.now();
  const { hostname } = parseTarget(url);
  let hops;
  try {
    hops = await runTraceroute(hostname);
  } catch (err) {
    if (isMissingBinary(err)) {
      return {
        skipped:
          'Traceroute is not installed in this environment. ' +
          'Install via your package manager, or run web-check via Docker.',
      };
    }
    return { error: `Traceroute failed: ${err.message}` };
  }
  if (!hops.length) {
    return { skipped: 'Traceroute returned no answered hops for this host' };
  }
  return {
    message: 'Traceroute completed!',
    result: hops.map(({ ip, time }) => ({ [ip]: [time] })),
    timeTaken: Date.now() - start,
  };
};

export const handler = middleware(traceRouteHandler);
export default handler;