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Direktori : /var/www/html/node_modules/swiper/modules/effect-cards/
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Current File : /var/www/html/node_modules/swiper/modules/effect-cards/effect-cards.js

import createShadow from '../../shared/create-shadow.js';
import effectInit from '../../shared/effect-init.js';
import effectTarget from '../../shared/effect-target.js';
import effectVirtualTransitionEnd from '../../shared/effect-virtual-transition-end.js';
export default function EffectCards(_ref) {
  let {
    swiper,
    extendParams,
    on
  } = _ref;
  extendParams({
    cardsEffect: {
      slideShadows: true,
      transformEl: null
    }
  });

  const setTranslate = () => {
    const {
      slides,
      activeIndex
    } = swiper;
    const params = swiper.params.cardsEffect;
    const {
      startTranslate,
      isTouched
    } = swiper.touchEventsData;
    const currentTranslate = swiper.translate;

    for (let i = 0; i < slides.length; i += 1) {
      const $slideEl = slides.eq(i);
      const slideProgress = $slideEl[0].progress;
      const progress = Math.min(Math.max(slideProgress, -4), 4);
      let offset = $slideEl[0].swiperSlideOffset;

      if (swiper.params.centeredSlides && !swiper.params.cssMode) {
        swiper.$wrapperEl.transform(`translateX(${swiper.minTranslate()}px)`);
      }

      if (swiper.params.centeredSlides && swiper.params.cssMode) {
        offset -= slides[0].swiperSlideOffset;
      }

      let tX = swiper.params.cssMode ? -offset - swiper.translate : -offset;
      let tY = 0;
      const tZ = -100 * Math.abs(progress);
      let scale = 1;
      let rotate = -2 * progress;
      let tXAdd = 8 - Math.abs(progress) * 0.75;
      const isSwipeToNext = (i === activeIndex || i === activeIndex - 1) && progress > 0 && progress < 1 && (isTouched || swiper.params.cssMode) && currentTranslate < startTranslate;
      const isSwipeToPrev = (i === activeIndex || i === activeIndex + 1) && progress < 0 && progress > -1 && (isTouched || swiper.params.cssMode) && currentTranslate > startTranslate;

      if (isSwipeToNext || isSwipeToPrev) {
        const subProgress = (1 - Math.abs((Math.abs(progress) - 0.5) / 0.5)) ** 0.5;
        rotate += -28 * progress * subProgress;
        scale += -0.5 * subProgress;
        tXAdd += 96 * subProgress;
        tY = `${-25 * subProgress * Math.abs(progress)}%`;
      }

      if (progress < 0) {
        // next
        tX = `calc(${tX}px + (${tXAdd * Math.abs(progress)}%))`;
      } else if (progress > 0) {
        // prev
        tX = `calc(${tX}px + (-${tXAdd * Math.abs(progress)}%))`;
      } else {
        tX = `${tX}px`;
      }

      if (!swiper.isHorizontal()) {
        const prevY = tY;
        tY = tX;
        tX = prevY;
      }

      const scaleString = progress < 0 ? `${1 + (1 - scale) * progress}` : `${1 - (1 - scale) * progress}`;
      const transform = `
        translate3d(${tX}, ${tY}, ${tZ}px)
        rotateZ(${rotate}deg)
        scale(${scaleString})
      `;

      if (params.slideShadows) {
        // Set shadows
        let $shadowEl = $slideEl.find('.swiper-slide-shadow');

        if ($shadowEl.length === 0) {
          $shadowEl = createShadow(params, $slideEl);
        }

        if ($shadowEl.length) $shadowEl[0].style.opacity = Math.min(Math.max((Math.abs(progress) - 0.5) / 0.5, 0), 1);
      }

      $slideEl[0].style.zIndex = -Math.abs(Math.round(slideProgress)) + slides.length;
      const $targetEl = effectTarget(params, $slideEl);
      $targetEl.transform(transform);
    }
  };

  const setTransition = duration => {
    const {
      transformEl
    } = swiper.params.cardsEffect;
    const $transitionElements = transformEl ? swiper.slides.find(transformEl) : swiper.slides;
    $transitionElements.transition(duration).find('.swiper-slide-shadow').transition(duration);
    effectVirtualTransitionEnd({
      swiper,
      duration,
      transformEl
    });
  };

  effectInit({
    effect: 'cards',
    swiper,
    on,
    setTranslate,
    setTransition,
    perspective: () => true,
    overwriteParams: () => ({
      watchSlidesProgress: true,
      virtualTranslate: !swiper.params.cssMode
    })
  });
}

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