File: optimize_webui.gni

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# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//ui/webui/resources/tools/bundle_js.gni")
import("//ui/webui/resources/tools/bundle_js_excludes.gni")
import("//ui/webui/resources/tools/minify_js.gni")

template("optimize_webui") {
  bundle_js("${target_name}__bundle_js") {
    forward_variables_from(invoker,
                           "*",
                           [
                             "excludes",
                             "visibility",
                             "out_manifest",
                           ])

    excludes = BUNDLE_JS_EXCLUDES
    if (defined(invoker.excludes)) {
      excludes += invoker.excludes
    }

    out_folder = "$target_gen_dir/${target_name}_bundled"
    visibility = [ ":$target_name" ]
  }

  minify_js(target_name) {
    forward_variables_from(invoker, [ "visibility" ])
    in_folder = "$target_gen_dir/${target_name}_bundled"
    out_folder = target_gen_dir
    in_files = []
    js_files = filter_include(get_target_outputs(":${target_name}__bundle_js"),
                              [ "*.js" ])
    foreach(_js_file, js_files) {
      in_files += [ string_replace(_js_file,
                                   "$target_gen_dir/${target_name}_bundled/",
                                   "") ]
    }
    if (defined(invoker.out_manifest)) {
      out_manifest = invoker.out_manifest
    }
    deps = [ ":${target_name}__bundle_js" ]
  }
}