runAsync method

Implementation

@override
Future<void> runAsync(String label, List<String> args) async {
  if (args.length > 1) {
    server.log('Wrong usage, use ${getUsage()}', level: LogLevel.error);
    return;
  }
  final worldName = args.firstOrNull;
  final world = worldName == null ? null : server.getWorld(worldName);
  if (worldName != null && world == null) {
    server.log('Unknown world: $worldName', level: LogLevel.error);
    return;
  }
  server.consoler.print('Saving...', level: LogLevel.info);
  if (world == null) {
    await server.saveAll(force: true);
  } else {
    await world.save(force: true);
  }
  server.consoler.print('Saved.', level: LogLevel.info);
}