Function getRootItems

src/renderer/src/components/common/TreeView.tsx:96–103

(
  items: TItem[],
  folders: TFolder[]
)

}

function getRootItems<TItem extends ItemLike, TFolder extends FolderLike>(
  items: TItem[],
  folders: TFolder[]
): (TItem | TFolder)[] {
  const rootItems = items.filter((item) => !item.parentFolderId)
  const rootFolders = folders.filter((f) => !f.parentFolderId)
  return [...rootFolders, ...rootItems].sort((a, b) => (a.order ?? 0) - (b.order ?? 0))
}

// ==================== 节点标题组件（使用 memo 优化） ====================