init method

@override @nonVirtual Future<void> init()

Implementation

@override
@nonVirtual
Future<void> init() async {
  if (_initCompleter == null) {
    _initCompleter = Completer();

    initOnce()
        .then((final _) {
          _initCompleter!.complete();
          _initialized = true;
        })
        .catchError((final e) {
          _initCompleter!.completeError(e);
        });
  }

  return _initCompleter!.future;
}