export const scrollTo = (element, to, duration, scrollToDone = null) => { Math.easeInOutQuad = (t, b, c, d) => { t /= d / 2; if (t < 1) return c / 2 * t * t + b; t--; return -c / 2 * (t * (t - 2) - 1) + b; }; let start = element.scrollLeft, change = to - start, currentTime = 0, increment = 20; const animateScroll = () => { currentTime += increment; const val = Math.easeInOutQuad(currentTime, start, change, duration); element.scrollLeft = val; if (currentTime < duration) { setTimeout(animateScroll, increment); } else { if (scrollToDone) scrollToDone(); } }; animateScroll(); }