execute method

Implementation

@override
Future<int> execute(List<String> arguments) async {
  var output = 'bin/server';
  for (var index = 0; index < arguments.length; index++) {
    final argument = arguments[index];
    if (argument != '--output' && argument != '-o') {
      Console.error('Unknown option: $argument');
      return ExitCode.usage;
    }
    if (index + 1 >= arguments.length) {
      Console.error('$argument needs a value.');
      return ExitCode.usage;
    }
    output = arguments[++index];
  }

  if (!File('${workingDirectory.path}/bin/server.dart').existsSync()) {
    Console.error('bin/server.dart does not exist.');
    return ExitCode.noInput;
  }

  Console.info('Compiling…');
  final stopwatch = Stopwatch()..start();
  final code = await runStreaming('dart', [
    'compile',
    'exe',
    'bin/server.dart',
    '-o',
    output,
  ], workingDirectory: workingDirectory.path);
  if (code != 0) {
    Console.error('Build failed.');
    return ExitCode.failure;
  }

  Console.success(
    'Built ${Console.cyan(output)} '
    '${Console.dim('(${stopwatch.elapsedMilliseconds}ms)')}',
  );
  return ExitCode.success;
}