Function ensureFolderIcon

public/js/folderManager.js:1116–1140

(folder)

  return true;
}
function ensureFolderIcon(folder) {
  if (folder === 'recycle_bin') return; // keep custom recycle icon intact
  const opt = document.querySelector(`.folder-option[data-folder="${CSS.escape(folder)}"]`);
  if (!opt) return;

  setFolderIconForOption(opt, 'empty');
  const kidsPromise = peekHasFolders(folder).catch(() => false);
  kidsPromise.then(hasKids => {
    try { updateToggleForOption(folder, !!hasKids); } catch (e) {}
  });

  scheduleFolderStatsWork(() => {
    Promise.all([
      fetchFolderCounts(folder).catch(() => ({ folders: 0, files: 0 })),
      kidsPromise
    ]).then(([cnt, hasKids]) => {
      const folders = Number(cnt?.folders || 0);
      const files   = Number(cnt?.files || 0);
      const hasAny  = (folders + files) > 0;

      setFolderIconForOption(opt, hasAny ? 'paper' : 'empty');
      updateToggleForOption(folder, !!hasKids || folders > 0);
    }).catch(() => {});
  });
}

/* ----------------------
   Toggle (chevron) helper