Function parentFolderOf

public/js/fileDragDrop.js:15–21

(path)

  return el?.closest('tr[data-file-name], .gallery-card[data-file-name]') || null;
}
function parentFolderOf(path) {
  if (!path || path === 'root') return 'root';
  const parts = String(path).split('/').filter(Boolean);
  if (parts.length <= 1) return 'root';
  parts.pop();
  return parts.join('/');
}

function normalizeFolderToastKey(path) {
  const raw = String(path || '').trim();