export default () => {
    if (document.body.clientHeight > window.innerHeight) {
        const outer = document.createElement('div');
        outer.style.visibility = 'hidden';
        outer.style.width = '100px';
        document.body.append(outer);
        const widthNoScroll = outer.offsetWidth;
        outer.style.overflow = 'scroll';
        const inner = document.createElement('div');
        inner.style.width = '100%';
        outer.append(inner);
        const widthWithScroll = inner.offsetWidth;
        outer.remove();
        return widthNoScroll - widthWithScroll;
    }
    return 0;
};