@primer/react
Version:
An implementation of GitHub's Primer Design System using React
16 lines (15 loc) • 601 B
JavaScript
//#region src/utils/scroll.ts
/**
* Returns the nearest scrollable parent of the element or `null` if the element
* is not contained in a scrollable element.
*/
function getScrollContainer(element) {
if (!element || element === document.body) return null;
return isScrollable(element) ? element : getScrollContainer(element.parentElement);
}
/** Returns `true` if the element is scrollable */
function isScrollable(element) {
return element.scrollHeight > element.clientHeight && !(window.getComputedStyle(element).overflowY.indexOf("hidden") !== -1);
}
//#endregion
export { getScrollContainer };