def bundle_stylesheets(context: Context):
    """
    Compiles stylesheets
    """
    args = [
        '--output', context.app.scss_build_path,
        '--output-style', 'compressed',
    ]
    if context.verbosity == 0:
        args.append('--quiet')
    if not context.use_colour:
        args.append('--no-color')
    for path in context.app.scss_include_paths:
        args.append('--include-path')
        args.append(path)
    return_code = 0
    for source_file in context.app.scss_source_file_set.paths_for_shell(separator=None):
        return_code = context.node_tool('node-sass', *args + [source_file]) or return_code
    return return_code