const getItemSelection = (editor: Editor): Option<ItemSelection> => {
const selectedListItems = Arr.map(Selection.getSelectedListItems(editor), Element.fromDom);
return Options.liftN([
Arr.find(selectedListItems, Fun.not(hasFirstChildList)),
Arr.find(Arr.reverse(selectedListItems), Fun.not(hasFirstChildList))
], (start, end) => ({ start, end }));
};