OnComplete option is not available since v2 about animated-scroll-to HOT 4 CLOSED

animateScrollTo(500).then(hasScrolledToPosition => {
  // scroll animation is finished

  // "hasScrolledToPosition" indicates if page/element
  // was scrolled to a desired position
  // or if animation got interrupted
  if (hasScrolledToPosition) {
    // page is scrolled to a desired position
  } else {
    // scroll animation was interrupted by user
    // or by another call of "animateScrollTo"
  }
});