CustomElementEventHandler<T> typedef

CustomElementEventHandler<T> = void Function(CustomElementEvent<T> event)

Handler callback signature for custom element events carrying a deserialized detail payload.

Used in the events map of customElement to listen to custom DOM events emitted by Web Components.

final CustomElementEventHandler<dynamic> onSelection = (event) {
  print('Selected: ${event.detail}');
};

Implementation

typedef CustomElementEventHandler<T> = void Function(
    CustomElementEvent<T> event);