swiper/esm/components/core/manipulation/removeSlide.js

Most modern mobile touch slider and framework with hardware accelerated transitions

export default function removeSlide(slidesIndexes) {
  var swiper = this;
  var params = swiper.params,
      $wrapperEl = swiper.$wrapperEl,
      activeIndex = swiper.activeIndex;
  var activeIndexBuffer = activeIndex;

  if (params.loop) {
    activeIndexBuffer -= swiper.loopedSlides;
    swiper.loopDestroy();
    swiper.slides = $wrapperEl.children("." + params.slideClass);
  }

  var newActiveIndex = activeIndexBuffer;
  var indexToRemove;

  if (typeof slidesIndexes === 'object' && 'length' in slidesIndexes) {
    for (var i = 0; i < slidesIndexes.length; i += 1) {
      indexToRemove = slidesIndexes[i];
      if (swiper.slides[indexToRemove]) swiper.slides.eq(indexToRemove).remove();
      if (indexToRemove < newActiveIndex) newActiveIndex -= 1;
    }

    newActiveIndex = Math.max(newActiveIndex, 0);
  } else {
    indexToRemove = slidesIndexes;
    if (swiper.slides[indexToRemove]) swiper.slides.eq(indexToRemove).remove();
    if (indexToRemove < newActiveIndex) newActiveIndex -= 1;
    newActiveIndex = Math.max(newActiveIndex, 0);
  }

  if (params.loop) {
    swiper.loopCreate();
  }

  if (!(params.observer && swiper.support.observer)) {
    swiper.update();
  }

  if (params.loop) {
    swiper.slideTo(newActiveIndex + swiper.loopedSlides, 0, false);
  } else {
    swiper.slideTo(newActiveIndex, 0, false);
  }
}