dispose method

@override void dispose()

Public programmatic dispose/cleanup.

Implementation

@override
void dispose() {
  if (_isDisposed) return;
  _isDisposed = true;
  if (mode == ExecutionMode.standalone) {
    TermuiBinding.unregister(this);
  }
  onPromptEnded?.call(this);

  // Unmount element tree so focus nodes and states can clean up
  _rootElement?.unmount();
  _rootElement = null;

  final activeCompleter = _completer;
  if (activeCompleter != null && !activeCompleter.isCompleted) {
    activeCompleter.complete(null);
  }

  onNeedVisualUpdate = null;
}