Kaskadierender Abbruch-Timeout mit AbortSignal.any in Next.js Data Fetching

export async function fetchWithCompositeTimeout(url: string, userSignal?: AbortSignal) {
  const timeoutSignal = AbortSignal.timeout(3000);
  const combinedSignal = userSignal ? AbortSignal.any([timeoutSignal, userSignal]) : timeoutSignal;
 
  const response = await fetch(url, {
    signal: combinedSignal,
    next: { revalidate: 60 }
  });
  return response.json();
}