ngx-bootstrap
Version:
Angular Bootstrap
28 lines • 3.48 kB
JavaScript
/**
* Returns the scrolling parent of the given element
*/
import { getStyleComputedProperty } from './getStyleComputedProperty';
import { getParentNode } from './getParentNode';
// todo: valorkin fix
// eslint-disable-next-line @typescript-eslint/no-explicit-any
export function getScrollParent(element) {
// Return body, `getScroll` will take care to get the correct `scrollTop` from it
if (!element) {
return document.body;
}
switch (element.nodeName) {
case 'HTML':
case 'BODY':
return element.ownerDocument.body;
case '#document':
return element.body;
default:
}
// Firefox want us to check `-x` and `-y` variations as well
const { overflow, overflowX, overflowY } = getStyleComputedProperty(element);
if (/(auto|scroll|overlay)/.test(String(overflow) + String(overflowY) + String(overflowX))) {
return element;
}
return getScrollParent(getParentNode(element));
}
//# sourceMappingURL=data:application/json;base64,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