def compile_ts(group, srcs): css_files = [] for ts_file in srcs: name = ts_file.replace(".ts", "") + "_ts" css_file = name + ".css" css_files.append(css_file) sass_binary( name = name, src = ts_file, sourcemap = False, deps = [], ) native.filegroup( name = group, srcs = css_files, visibility = ["//qt:__subpackages__"], )