getLaunchByMissionId method

@override Future<GetLaunch$Query$Launch?> getLaunchByMissionId(String missionId)

Implementation

@override
Future<GetLaunch$Query$Launch?> getLaunchByMissionId(String missionId) async {
  if (_launches.containsKey(missionId)) {
    return _launches[missionId]!;
  }
  /*

  _launches[missionId] = (await _client.execute(
          GetLaunchQuery(variables: GetLaunchArguments(id: missionId))))
      .data
      ?.launch;
  return _launches[missionId]!;
  */
  return null;
}