void main()

in example/example.dart [13:55]

• 34 lines of code
• 5 McCabe index (conditional complexity)

void main(List<String> args) {
  final parser = _getParser();

  int port;
  bool logging;
  bool listDirectories;

  try {
    final result = parser.parse(args);
    port = int.parse(result['port'] as String);
    logging = result['logging'] as bool;
    listDirectories = result['list-directories'] as bool;
  } on FormatException catch (e) {
    stderr
      ..writeln(e.message)
      ..writeln(parser.usage);
    // http://linux.die.net/include/sysexits.h
    // #define EX_USAGE	64	/* command line usage error */
    exit(64);
  }

  if (!FileSystemEntity.isFileSync('example/example.dart')) {
    throw StateError('Server expects to be started the '
        'root of the project.');
  }
  var pipeline = const shelf.Pipeline();

  if (logging) {
    pipeline = pipeline.addMiddleware(shelf.logRequests());
  }

  String? defaultDoc = _defaultDoc;
  if (listDirectories) {
    defaultDoc = null;
  }

  final handler = pipeline.addHandler(createStaticHandler('example/files',
      defaultDocument: defaultDoc, listDirectories: listDirectories));

  io.serve(handler, 'localhost', port).then((server) {
    print('Serving at http://${server.address.host}:${server.port}');
  });
}