swiper/core/slide/slideToClickedSlide.js

Most modern mobile touch slider and framework with hardware accelerated transitions

import $ from '../../shared/dom.js';
import { nextTick } from '../../shared/utils.js';
export default function slideToClickedSlide() {
  const swiper = this;
  const {
    params,
    $wrapperEl
  } = swiper;
  const slidesPerView = params.slidesPerView === 'auto' ? swiper.slidesPerViewDynamic() : params.slidesPerView;
  let slideToIndex = swiper.clickedIndex;
  let realIndex;

  if (params.loop) {
    if (swiper.animating) return;
    realIndex = parseInt($(swiper.clickedSlide).attr('data-swiper-slide-index'), 10);

    if (params.centeredSlides) {
      if (slideToIndex < swiper.loopedSlides - slidesPerView / 2 || slideToIndex > swiper.slides.length - swiper.loopedSlides + slidesPerView / 2) {
        swiper.loopFix();
        slideToIndex = $wrapperEl.children(`.${params.slideClass}[data-swiper-slide-index="${realIndex}"]:not(.${params.slideDuplicateClass})`).eq(0).index();
        nextTick(() => {
          swiper.slideTo(slideToIndex);
        });
      } else {
        swiper.slideTo(slideToIndex);
      }
    } else if (slideToIndex > swiper.slides.length - slidesPerView) {
      swiper.loopFix();
      slideToIndex = $wrapperEl.children(`.${params.slideClass}[data-swiper-slide-index="${realIndex}"]:not(.${params.slideDuplicateClass})`).eq(0).index();
      nextTick(() => {
        swiper.slideTo(slideToIndex);
      });
    } else {
      swiper.slideTo(slideToIndex);
    }
  } else {
    swiper.slideTo(slideToIndex);
  }
}