Function getOwnerDocument

src/utils/activeWindow.ts:1–10

(node: Node)

export function getOwnerDocument(node: Node): Document {
	if (node.nodeType === Node.DOCUMENT_NODE) {
		return node as Document;
	}
	const ownerDocument = node.ownerDocument;
	if (!ownerDocument) {
		throw new Error("Unable to resolve owner document for DOM node.");
	}
	return ownerDocument;
}

export function getOwnerWindow(node: Node): Window {
	const ownerWindow = getOwnerDocument(node).defaultView;