export function toSafeFileName(fileName) {
  const s = String(fileName ?? '')
    // eslint-disable-next-line no-control-regex
    .replace(/[\u0000-\u001F\u007F]/g, '')
    .replace(/[<>:"/\\|?*]/g, '_')
    .replace(/\s+/g, ' ')
    .trim();

  return s;
}

export function contentDisposition(filename) {
  const fallback = filename.replace(/[^\x20-\x7E]/g, '_').replace(/"/g, "'");
  const encoded = encodeURIComponent(filename);
  return `attachment; filename="${fallback}"; filename*=UTF-8''${encoded}`;
}