/**
 * Returns the parent node or the host of the node argument.
 * @param node - DOM node.
 * @returns - parent DOM node.
 */ export const getParentNode = (node)=>{
    if (node.nodeName === 'HTML') {
        return node;
    }
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    return node.parentNode || node.host;
};
/**
 * Returns CSS styles of the given node.
 * @param node - DOM node.
 * @returns - CSS styles.
 */ const getStyleComputedProperty = (node)=>{
    var _node_ownerDocument;
    if (node.nodeType !== 1) {
        return {};
    }
    const window = (_node_ownerDocument = node.ownerDocument) === null || _node_ownerDocument === void 0 ? void 0 : _node_ownerDocument.defaultView;
    return window.getComputedStyle(node, null);
};
/**
 * Returns the first scrollable parent of the given element.
 * @param node - DOM node.
 * @returns - the first scrollable parent.
 */ export const getScrollParent = (node)=>{
    // Return body, `getScroll` will take care to get the correct `scrollTop` from it
    const parentNode = node && getParentNode(node);
    // eslint-disable-next-line
    if (!parentNode) return document.body;
    switch(parentNode.nodeName){
        case 'HTML':
        case 'BODY':
            return parentNode.ownerDocument.body;
        case '#document':
            return parentNode.body;
    }
    // If any of the overflow props is defined for the node then we return it as the parent
    const { overflow, overflowX, overflowY } = getStyleComputedProperty(parentNode);
    if (/(auto|scroll|overlay)/.test(overflow + overflowY + overflowX)) {
        return parentNode;
    }
    return getScrollParent(parentNode);
};
export const hasScrollParent = (node)=>{
    var _scrollParentElement_ownerDocument;
    const scrollParentElement = getScrollParent(node);
    return scrollParentElement ? scrollParentElement !== ((_scrollParentElement_ownerDocument = scrollParentElement.ownerDocument) === null || _scrollParentElement_ownerDocument === void 0 ? void 0 : _scrollParentElement_ownerDocument.body) : false;
};