docs: def of_file(path: str, root_directory: str = None) -> dict:
      """
      Returns a dictionary containing status information for the specified file
      including when its name relative to the root directory, when it was last
      modified and its size.
  
      :param path:
          The absolute path to the file for which the status information should
          be generated
      :param root_directory:
          The directory to use for creating relative path names for the returned
          status. If this argument is None the path in the status will be the
          absolute path argument.
      :return:
          A dictionary containing the status information for the file at the
          specified path. If no such file exists, then the dictionary will
          contain -1 values for both the file size and the last modified time.
      """
  
      slug = (
          path
          if root_directory is None
          else path[len(root_directory):].lstrip(os.sep)
      )
  
      if not os.path.exists(path) or os.path.isdir(path):
          return dict(
              size=-1,
              modified=-1,
              path=slug
          )
  
      size = os.path.getsize(path)
      modified = max(os.path.getmtime(path), os.path.getctime(path))
  
      return dict(
          modified=modified,
          path=slug,
          size=size
      )