| // Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.7 |
| |
| import 'dart:async'; |
| import 'dart:io'; |
| import 'package:path/path.dart' as path; |
| |
| List<String> dart2JsCommand(List<String> args) { |
| String basePath = path.fromUri(Platform.script); |
| while (path.basename(basePath) != 'sdk') { |
| basePath = path.dirname(basePath); |
| } |
| String dart2jsPath = |
| path.normalize(path.join(basePath, 'pkg/compiler/lib/src/dart2js.dart')); |
| List command = <String>[]; |
| if (Platform.packageRoot != null) { |
| command.add('--package-root=${Platform.packageRoot}'); |
| } else if (Platform.packageConfig != null) { |
| command.add('--packages=${Platform.packageConfig}'); |
| } |
| command.add(dart2jsPath); |
| command.addAll(args); |
| return command; |
| } |
| |
| Future<ProcessResult> launchDart2Js(args, {bool noStdoutEncoding: false}) { |
| if (noStdoutEncoding) { |
| return Process.run(Platform.executable, dart2JsCommand(args), |
| stdoutEncoding: null); |
| } else { |
| return Process.run(Platform.executable, dart2JsCommand(args)); |
| } |
| } |