Function loadMoreChildren

public/js/folderManager.js:1340–1382

(folder, ulEl, moreLi)

  return p;
}
async function loadMoreChildren(folder, ulEl, moreLi) {
  const cached = await _childCache.get(folder);
  const cursor = cached?.nextCursor || null;

  const qs = new URLSearchParams({ folder });
  if (cursor) qs.set('cursor', cursor);
  qs.set('limit', String(PAGE_LIMIT));
  qs.set('probe', '0');

  const res = await fetch(`/api/folder/listChildren.php?${qs.toString()}`, { method: 'GET', credentials: 'include' });
  const body = await safeJson(res);

  const raw = Array.isArray(body.items) ? body.items : [];
  const newItems = raw
    .map(normalizeItem)
    .filter(Boolean)
    .filter(it => {
      const s = it.name.toLowerCase();
      return s !== 'trash' && s !== 'profile_pics' &&
      !s.startsWith('resumable_');
    });

  const nextCursor = body.nextCursor ?? null;

  newItems.forEach(it => {
    const li = makeChildLi(folder, it);
    ulEl.insertBefore(li, moreLi);
    const full = (folder === 'root') ? it.name : `${folder}/${it.name}`;
    try { applyFolderColorToOption(full, (window.folderColorMap||{})[full] || ''); } catch (e) {}
    ensureFolderIcon(full);
  });

  const merged = (cached?.items || []).concat(newItems);
  if (nextCursor) _childCache.set(folder, { items: merged, nextCursor });
  else {
    moreLi.remove();
    _childCache.set(folder, { items: merged, nextCursor: null });
  }

  primeChildToggles(ulEl);
  const hasKids = !!ulEl.querySelector(':scope > li.folder-item');
  updateToggleForOption(folder, hasKids);
}
async function ensureChildrenLoaded(folder, ulEl) {
  let cached = _childCache.get(folder);
  if (cached && typeof cached.then === 'function') {