@popperjs/core/lib/dom-utils/getWindowScroll.js.flow

Tooltip and Popover Positioning Engine

// @flow
import getWindow from './getWindow';
import type { Window } from '../types';

export default function getWindowScroll(node: Node | Window) {
  const win = getWindow(node);
  const scrollLeft = win.pageXOffset;
  const scrollTop = win.pageYOffset;

  return {
    scrollLeft,
    scrollTop,
  };
}