role property

@HostBinding('attr.role') String get role

The ARIA role to use for the host element.

Implementation

@HostBinding('attr.role')
String get role {
  if (supportsHierarchy) {
    return "tree";
  } else if (showFlatCheck || showFlatRadio) {
    return "listbox";
  } else {
    return "list";
  }
}