Function animatedScrollTo

packages/react-select/src/utils.ts:237–259

(
  element: HTMLElement | typeof window,
  to: number,
  duration = 200,
  callback: (element: HTMLElement | typeof window) => void = noop
)

}

export function animatedScrollTo(
  element: HTMLElement | typeof window,
  to: number,
  duration = 200,
  callback: (element: HTMLElement | typeof window) => void = noop
) {
  const start = getScrollTop(element);
  const change = to - start;
  const increment = 10;
  let currentTime = 0;

  function animateScroll() {
    currentTime += increment;
    const val = easeOutCubic(currentTime, start, change, duration);
    scrollTo(element, val);
    if (currentTime < duration) {
      window.requestAnimationFrame(animateScroll);
    } else {
      callback(element);
    }
  }
  animateScroll();
}

// Scroll Into View
// ------------------------------