export function getCSRFToken() {
  if (typeof document === "undefined") {
    return undefined;
  }

  const token = document.querySelector<HTMLMetaElement>('meta[name="csrf-token"]')?.content;
  return token || undefined;
}

export function appendCSRFToken(formData: FormData): FormData {
  const token = getCSRFToken();
  if (token) {
    formData.set("csrf", token);
  }

  return formData;
}

export function csrfRequestHeaders(headers: HeadersInit = {}): HeadersInit {
  const token = getCSRFToken();
  return token ? { ...headers, "x-csrf-token": token } : headers;
}