anchor.diff:    var argParser = ArgParser()
       ..addFlag('verify', negatable: false)
       ..addFlag('dev', negatable: false)
  -    ..addOption('dart_path')
  +    ..addOption('dart2js_path')
       ..addFlag('help', negatable: false);
     var argResults = argParser.parse(args);
     if (argResults['help'] == true) {
  
positive.code: }
  
  Future<void> compileWebFrontEnd(
      {required bool devMode, required String dartPath}) async {
    // dart compile js -m -o output source
    var process = await Process.start(dartPath, [
      'compile',
      'js',
      devMode ? '-O1' : '-m',
      '--no-frequency-based-minification',
      '-o',
  
negative.code:   if (verify) {
      verifyResourcesGDartGenerated();
    } else {
      await compileWebFrontEnd(
          devMode: dev!, dart2jsPath: dart2jsPath(argResults)!);
  
      print('');
  
  