latestVersion property Null safety

Implementation

AppStorePreReleaseVersion get latestVersion {
  final sortedItems = items.toList()
    ..sort(
      (a, b) {
        final aVersion = a.attributes.version;
        final bVersion = b.attributes.version;

        return aVersion.compareTo(bVersion);
      },
    );

  return sortedItems.last;
}