4cd4fd28
郭伟龙
feat: 初始化项目
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import getNodeName from "./getNodeName.js";
import getDocumentElement from "./getDocumentElement.js";
import { isShadowRoot } from "./instanceOf.js";
export default function getParentNode(element) {
if (getNodeName(element) === 'html') {
return element;
}
return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle
// $FlowFixMe[incompatible-return]
// $FlowFixMe[prop-missing]
element.assignedSlot || // step into the shadow DOM of the parent of a slotted node
element.parentNode || ( // DOM Element detected
isShadowRoot(element) ? element.host : null) || // ShadowRoot detected
// $FlowFixMe[incompatible-call]: HTMLElement is a Node
getDocumentElement(element) // fallback
);
}
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