import getScrollBarSize from './getScrollBarSize';

export default (close) => {
  const bodyIsOverflowing = document.body.scrollHeight >
    (window.innerHeight || document.documentElement.clientHeight) &&
    window.innerWidth > document.body.offsetWidth;
  if (!bodyIsOverflowing) {
    return;
  }
  if (close) {
    document.body.style.position = '';
    document.body.style.width = '';
    return;
  }
  const scrollBarSize = getScrollBarSize();
  if (scrollBarSize) {
    document.body.style.position = 'relative';
    document.body.style.width = `calc(100% - ${scrollBarSize}px)`;
  }
};