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Viewing / Editing File: updateAutoHeight.js

import $ from '../../shared/dom.js';
export default function updateAutoHeight(speed) {
  const swiper = this;
  const activeSlides = [];
  const isVirtual = swiper.virtual && swiper.params.virtual.enabled;
  let newHeight = 0;
  let i;

if (typeof speed === 'number') {
    swiper.setTransition(speed);
  } else if (speed === true) {
    swiper.setTransition(swiper.params.speed);
  }

const getSlideByIndex = index => {
    if (isVirtual) {
      return swiper.slides.filter(el => parseInt(el.getAttribute('data-swiper-slide-index'), 10) === index)[0];
    }

return swiper.slides.eq(index)[0];
  }; // Find slides currently in view

if (swiper.params.slidesPerView !== 'auto' && swiper.params.slidesPerView > 1) {
    if (swiper.params.centeredSlides) {
      (swiper.visibleSlides || $([])).each(slide => {
        activeSlides.push(slide);
      });
    } else {
      for (i = 0; i < Math.ceil(swiper.params.slidesPerView); i += 1) {
        const index = swiper.activeIndex + i;
        if (index > swiper.slides.length && !isVirtual) break;
        activeSlides.push(getSlideByIndex(index));
      }
    }
  } else {
    activeSlides.push(getSlideByIndex(swiper.activeIndex));
  } // Find new height from highest slide in view

for (i = 0; i < activeSlides.length; i += 1) {
    if (typeof activeSlides[i] !== 'undefined') {
      const height = activeSlides[i].offsetHeight;
      newHeight = height > newHeight ? height : newHeight;
    }
  } // Update Height

if (newHeight || newHeight === 0) swiper.$wrapperEl.css('height', `${newHeight}px`);
}

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Viewing / Editing File: updateAutoHeight.js

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