docs: def compile_sass(input_file, output_file):
      """
      Compile a SASS source file. Minifies the output in release mode.
      """
      from .modules import sass
  
      if not isinstance(input_file, str):
          raise RuntimeError('SASS compiler takes only a single input file.')
  
      return {
          'dependencies_fn': sass.sass_dependencies,
          'compiler_fn': sass.sass_compile,
          'input': input_file,
          'output': output_file,
          'kwargs': {},
      }