Function vercelHandler

api/_common/middleware.js:62–84

(request, response)

  // Vercel
  const vercelHandler = async (request, response) => {
    if (DISABLE_EVERYTHING) {
      return response.status(200).json({ skipped: disabledMsg });
    }

    const queryParams = request.query || {};
    const rawUrl = queryParams.url;

    if (!rawUrl) {
      return response.status(500).json({ error: 'No URL specified' });
    }

    const url = normalizeUrl(rawUrl);

    try {
      const result = await Promise.race([handler(url, request), createTimeoutPromise(TIMEOUT)]);
      response.status(200).json(typeof result === 'object' ? result : JSON.parse(result));
    } catch (error) {
      const isTimeout = error.message.includes('timed-out') || response.statusCode === 504;
      const message = isTimeout ? `${error.message}\n\n${timeoutErrorMsg}` : error.message;
      response.status(isTimeout ? 408 : 500).json({ error: message });
    }
  };

  // Netlify
  const netlifyHandler = async (event, context) => {