let scrollbarWidth: number | null = null; export function getScrollbarWidth() { if (scrollbarWidth !== null) { return scrollbarWidth; } if (typeof document !== 'undefined') { const div = document.createElement('div'); const newStyles = { '100px', height: '100px', position: 'absolute', top: '-9999px', overflow: 'scroll', MsOverflowStyle: 'scrollbar', }; Object.keys(newStyles).map((style) => { // @ts-ignore div.style[style] = newStyles[style]; }); document.body.appendChild(div); scrollbarWidth = div.offsetWidth - div.clientWidth; document.body.removeChild(div); } else { scrollbarWidth = 0; } return scrollbarWidth || 0; }