Function fetchFolderCounts

public/js/folderManager.js:935–977

(folder)

  return sid ? `${sid}::${folder}` : folder;
}
async function fetchFolderCounts(folder) {
  const sourceId = getActiveSourceId();
  const key = folderStatsCacheKey(folder, sourceId);
  if (_folderCountCache.has(key)) return _folderCountCache.get(key);
  if (_inflightCounts.has(key)) return _inflightCounts.get(key);
  if (_sharedFolderStatsCache.has(key)) {
    const cached = _sharedFolderStatsCache.get(key);
    _folderCountCache.set(key, cached);
    return cached;
  }
  if (_sharedFolderStatsInflight.has(key)) {
    const inflight = _sharedFolderStatsInflight.get(key);
    _inflightCounts.set(key, inflight);
    inflight.finally(() => {
      if (_inflightCounts.get(key) === inflight) _inflightCounts.delete(key);
    });
    return inflight;
  }
  const sourceParam = sourceId ? `&sourceId=${encodeURIComponent(sourceId)}` : '';
  const url = withBase(`/api/folder/isEmpty.php?folder=${encodeURIComponent(folder)}${sourceParam}&t=${Date.now()}`);
  const timeoutMs = getCountTimeoutMs(sourceId);
  const p = _runCount(url, timeoutMs).then(data => {
    const payload = (data && !data.__fr_err) ? data : { folders: 0, files: 0 };
    const stillLocal = _inflightCounts.get(key) === p;
    const stillShared = _sharedFolderStatsInflight.get(key) === p;
    if (stillLocal) _inflightCounts.delete(key);
    if (stillShared) _sharedFolderStatsInflight.delete(key);
    if (data && data.__fr_err) {
      return { folders: 0, files: 0, __fr_err: 1 };
    }
    if (stillLocal) _folderCountCache.set(key, payload);
    if (stillShared) _sharedFolderStatsCache.set(key, payload);
    return payload;
  }).catch(() => {
    if (_inflightCounts.get(key) === p) _inflightCounts.delete(key);
    if (_sharedFolderStatsInflight.get(key) === p) _sharedFolderStatsInflight.delete(key);
    return { folders: 0, files: 0, __fr_err: 1 };
  });

  _inflightCounts.set(key, p);
  _sharedFolderStatsInflight.set(key, p);
  return p;
}
function invalidateFolderCaches(folder) {
  if (!folder) return;
  const sourceId = getActiveSourceId();