baseUrl property Null safety

Implementation

get baseUrl {
  String url;
  switch (hostType) {
    case SMHHostType.dev:
      url = _devBaseUrl;
      break;
    case SMHHostType.test:
      url = _testBaseUrl;
      break;
    case SMHHostType.preview:
      url = _previewBaseUrl;
      break;
    case SMHHostType.release:
    default:
      url = _releaseBaseUrl;
      break;
  }
  return url;
}