async function voy(url, method, data = null, contentType, authorization) {
  const headers = { "Content-Type": contentType };
  if (authorization) headers.Authorization = authorization;

  const body =
    data && contentType === "application/json" ? JSON.stringify(data) : data;

  return await fetch(url, { method, headers, body }).then((res) => {
    if (!res.ok) throw new Error(`HTTP ${res.status}`);
    return res.json();
  });
}