generate_css.gni

# Copyright 2021 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/timestamp.gni")
import("./node.gni")
import("./vars.gni")

template("generate_css") {
  node_action(target_name) {
    forward_variables_from(invoker, [ "sources" ])

    script = "scripts/build/generate_css_js_files.js"

    _src = rebase_path(".", root_build_dir)
    _dest = rebase_path(target_gen_dir, root_build_dir)

    inputs +=
        [ devtools_location_prepend + "node_modules/clean-css/package.json" ]

    args = [
      build_timestamp,
      "$is_debug",
      "${invoker.legacy}",
      target_name,
      _src,
      _dest,
      string_join(",", sources),
    ]

    outputs = []
    foreach(_input, sources) {
      _file_name = _input
      if (invoker.legacy) {
        _file_name = "$_file_name.legacy"
      }
      outputs += [ "$target_gen_dir/$_file_name.js" ]
    }

    data = outputs

    if (is_debug) {
      metadata = {
        grd_files = outputs
      }
    }
  }
}

set_defaults("generate_css") {
  legacy = false
}