build method

Implementation

@override
FutureOr<CommentsManager> build(Future<CommentsManager> arg) async {
  final manager = await arg;
  _listener = manager.subscribeStream(); // keep it resident in memory
  _poller = _listener.listen(
    (data) async {
      // reset
      state = await AsyncValue.guard(() => manager.reload());
    },
    onError: (e, s) {
      _log.severe('msg stream errored', e, s);
    },
    onDone: () {
      _log.info('msg stream ended');
    },
  );
  ref.onDispose(() => _poller.cancel());
  return manager;
}