getMappedElement method
Returns the mapped element T associated with domNode.
checkParents If true, also checks for mapped domNode.parent.
Implementation
T? getMappedElement(DOMNode? domNode, {bool checkParents = false}) {
if (domNode == null) return null;
var element = _domNodeToElementMap[domNode];
if (element != null) return element;
if (!checkParents) return null;
var parent = domNode.parent;
return getMappedElement(parent, checkParents: true);
}