Function attemptFetch

apps/site/next.fetch.mjs:28–35

  const backoff = Math.max(0, Number(delay) || 0);

  const attemptFetch = attempt =>
    fetch(url, { ...options, signal: AbortSignal.timeout(30000) }).catch(e => {
      if (attempt === retries || !isTimeoutError(e)) {
        throw e;
      }

      return sleep(backoff * attempt).then(() => attemptFetch(attempt + 1));
    });

  return attemptFetch(1);
};