File: /var/www/html/tmpr/../tmpr/../tmpr/../tmpr/../node_modules/@react-aria/utils/src/getScrollParent.ts
/*
* Copyright 2020 Adobe. All rights reserved.
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
export function getScrollParent(node: Element): Element {
while (node && !isScrollable(node)) {
node = node.parentElement;
}
return node || document.scrollingElement || document.documentElement;
}
function isScrollable(node: Element): boolean {
let style = window.getComputedStyle(node);
return /(auto|scroll)/.test(style.overflow + style.overflowX + style.overflowY);
}