createDOMEvent method
Implementation
@override
DOMEvent? createDOMEvent(DOMTreeMap<Node> treeMap, Object? event) {
if (event.asJSAny.isA<Event>()) {
var eventTarget = (event as Event).target as Node?;
var domTarget = treeMap.getMappedDOMNode(eventTarget);
return DOMEvent(treeMap, event, eventTarget, domTarget as DOMElement?);
}
return null;
}