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import getParentNode from "./getParentNode.js"; import isScrollParent from "./isScrollParent.js"; import getNodeName from "./getNodeName.js"; import { isHTMLElement } from "./instanceOf.js"; export default function getScrollParent(node) { if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) { // $FlowFixMe[incompatible-return]: assume body is always available
return node.ownerDocument.body; }
if (isHTMLElement(node) && isScrollParent(node)) { return node; }
return getScrollParent(getParentNode(node)); }
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