1234567891011121314151617
function isJSON(val: unknown) {  try {    const s = JSON.stringify(val);    JSON.parse(s);    return true;  } catch {    return false;  }}
export default function decode(res: unknown, status: number) {  if (res instanceof Response) return res;  if (typeof res === "string") return new Response(res, { status });  if (isJSON(res) || Array.isArray(res)) return Response.json(res, { status });  return new Response(null, { status: 204 });}