swiper/core/slide/slideToLoop.js

Most modern mobile touch slider and framework with hardware accelerated transitions

import { elementIndex } from '../../shared/utils.js';
export default function slideToLoop(index = 0, speed = this.params.speed, runCallbacks = true, internal) {
  if (typeof index === 'string') {
    const indexAsNumber = parseInt(index, 10);
    index = indexAsNumber;
  }
  const swiper = this;
  let newIndex = index;
  if (swiper.params.loop) {
    if (swiper.virtual && swiper.params.virtual.enabled) {
      // eslint-disable-next-line
      newIndex = newIndex + swiper.virtual.slidesBefore;
    } else {
      newIndex = elementIndex(swiper.slides.filter(slideEl => slideEl.getAttribute('data-swiper-slide-index') * 1 === newIndex)[0]);
    }
  }
  return swiper.slideTo(newIndex, speed, runCallbacks, internal);
}