ListTree _listTreeForFileSystem()

in lib/glob.dart [190:201]

• 8 lines of code
• 3 McCabe index (conditional complexity)

  ListTree _listTreeForFileSystem(FileSystem fileSystem) {
    // Don't use cached trees for in memory file systems to avoid memory leaks.
    if (fileSystem is MemoryFileSystem) return ListTree(_ast, fileSystem);

    // Throw away our cached `_listTree` if the file system is different.
    if (fileSystem != _previousFileSystem) {
      _listTree = null;
      _previousFileSystem = fileSystem;
    }

    return _listTree ??= ListTree(_ast, fileSystem);
  }