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Direktori : /var/www/html/node_modules/swiper/core/update/
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Current File : /var/www/html/node_modules/swiper/core/update/updateActiveIndex.js

export default function updateActiveIndex(newActiveIndex) {
  const swiper = this;
  const translate = swiper.rtlTranslate ? swiper.translate : -swiper.translate;
  const {
    slidesGrid,
    snapGrid,
    params,
    activeIndex: previousIndex,
    realIndex: previousRealIndex,
    snapIndex: previousSnapIndex
  } = swiper;
  let activeIndex = newActiveIndex;
  let snapIndex;

  if (typeof activeIndex === 'undefined') {
    for (let i = 0; i < slidesGrid.length; i += 1) {
      if (typeof slidesGrid[i + 1] !== 'undefined') {
        if (translate >= slidesGrid[i] && translate < slidesGrid[i + 1] - (slidesGrid[i + 1] - slidesGrid[i]) / 2) {
          activeIndex = i;
        } else if (translate >= slidesGrid[i] && translate < slidesGrid[i + 1]) {
          activeIndex = i + 1;
        }
      } else if (translate >= slidesGrid[i]) {
        activeIndex = i;
      }
    } // Normalize slideIndex


    if (params.normalizeSlideIndex) {
      if (activeIndex < 0 || typeof activeIndex === 'undefined') activeIndex = 0;
    }
  }

  if (snapGrid.indexOf(translate) >= 0) {
    snapIndex = snapGrid.indexOf(translate);
  } else {
    const skip = Math.min(params.slidesPerGroupSkip, activeIndex);
    snapIndex = skip + Math.floor((activeIndex - skip) / params.slidesPerGroup);
  }

  if (snapIndex >= snapGrid.length) snapIndex = snapGrid.length - 1;

  if (activeIndex === previousIndex) {
    if (snapIndex !== previousSnapIndex) {
      swiper.snapIndex = snapIndex;
      swiper.emit('snapIndexChange');
    }

    return;
  } // Get real index


  const realIndex = parseInt(swiper.slides.eq(activeIndex).attr('data-swiper-slide-index') || activeIndex, 10);
  Object.assign(swiper, {
    snapIndex,
    realIndex,
    previousIndex,
    activeIndex
  });
  swiper.emit('activeIndexChange');
  swiper.emit('snapIndexChange');

  if (previousRealIndex !== realIndex) {
    swiper.emit('realIndexChange');
  }

  if (swiper.initialized || swiper.params.runCallbacksOnInit) {
    swiper.emit('slideChange');
  }
}

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