How to make selection.getNodes() get an empty array?

[awehook]

#1962
Look at the condition judgment inside the code, selection.getNodes() may get an empty array, under what circumstances will it happen?

lexical/packages/lexical/src/LexicalSelection.ts

Lines 568 to 573 in 73ba9ca

	if (
	$isElementNode(firstNode) &&
	(firstNode.getChildrenSize() > 0 || firstNode.excludeFromCopy())
	) {
	nodes = [];
	} else {

[acywatson]

It'll happen if only a single empty (no children) element node is selected. One practical case would be the initial editor state, which is just an empty ParagraphNode under the RootNode.