swiper/shared/effect-virtual-transition-end.js

Most modern mobile touch slider and framework with hardware accelerated transitions

export default function effectVirtualTransitionEnd(_ref) {
  let {
    swiper,
    duration,
    transformEl,
    allSlides
  } = _ref;
  const {
    slides,
    activeIndex,
    $wrapperEl
  } = swiper;

  if (swiper.params.virtualTranslate && duration !== 0) {
    let eventTriggered = false;
    let $transitionEndTarget;

    if (allSlides) {
      $transitionEndTarget = transformEl ? slides.find(transformEl) : slides;
    } else {
      $transitionEndTarget = transformEl ? slides.eq(activeIndex).find(transformEl) : slides.eq(activeIndex);
    }

    $transitionEndTarget.transitionEnd(() => {
      if (eventTriggered) return;
      if (!swiper || swiper.destroyed) return;
      eventTriggered = true;
      swiper.animating = false;
      const triggerEvents = ['webkitTransitionEnd', 'transitionend'];

      for (let i = 0; i < triggerEvents.length; i += 1) {
        $wrapperEl.trigger(triggerEvents[i]);
      }
    });
  }
}