Function getLastChild

packages/react-aria/src/table/useTableRow.ts:168–174

(collection: Collection<Node<unknown>>, node: Node<unknown>)

}

function getLastChild(collection: Collection<Node<unknown>>, node: Node<unknown>) {
  if ('lastChildKey' in node) {
    return node.lastChildKey != null ? collection.getItem(node.lastChildKey) : null;
  } else {
    return Array.from(node.childNodes).findLast(item => item.parentKey === node.key);
  }
}