batch-perform-update.js

const performUpdates = useDebouncedCallback(
  async () => {
    if (!hasPendingUpdates(pendingUpdates)) {
      return;
    }

    clearPendingUpdates();
    applyUpdatesToPhotos(pendingUpdates);

    try {
      const pendingUpdatesList = Object.keys(pendingUpdates);

      await onUpdate(pendingUpdatesList);

      removePhotosLockedFlag(pendingUpdates);
    } catch (exception) {
      revertPhotosToOriginalState(photos);
    }
  },
  DEBOUNCED_BATCH_TIMEOUT,
  { maxWait: 2500 }
);