subscribe method

void subscribe(String event, String? key, TUIObserver observer)

Implementation

void subscribe(String event, String? key, TUIObserver observer) {
  String eventKey = _buildEventKey(event, key);
  observerMap[eventKey] ??= [];
  observerMap[eventKey]!.add(observer);

  Map<String, dynamic>? data = stickyDataMap[eventKey];
  if (data != null) {
    observer.onNotify(event, key, NotifyParams(data: data));
  }
}