4cd4fd28
郭伟龙
feat: 初始化项目
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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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