enable method

Implementation

void enable() {
  if (_enabled) return;
  _enabled = true;
  // Attach listeners and emit register events for any notifiers that were bound
  // before devtools was enabled.
  for (final entry in _notifiers.values) {
    _attachListener(entry);
    _pushEvent(
      NeuronDebugEvent.register(
        entry.id,
        entry.snapshotValue,
        meta: {
          'controller': entry.controllerName,
          'kind': entry.kind,
          if (entry.label != null) 'label': entry.label,
        },
      ),
    );
  }
}