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Direktori : /var/www/html/node_modules/swiper/core/slide/
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Current File : /var/www/html/node_modules/swiper/core/slide/slideTo.js

import { animateCSSModeScroll } from '../../shared/utils.js';
export default function slideTo(index, speed, runCallbacks, internal, initial) {
  if (index === void 0) {
    index = 0;
  }

  if (speed === void 0) {
    speed = this.params.speed;
  }

  if (runCallbacks === void 0) {
    runCallbacks = true;
  }

  if (typeof index !== 'number' && typeof index !== 'string') {
    throw new Error(`The 'index' argument cannot have type other than 'number' or 'string'. [${typeof index}] given.`);
  }

  if (typeof index === 'string') {
    /**
     * The `index` argument converted from `string` to `number`.
     * @type {number}
     */
    const indexAsNumber = parseInt(index, 10);
    /**
     * Determines whether the `index` argument is a valid `number`
     * after being converted from the `string` type.
     * @type {boolean}
     */

    const isValidNumber = isFinite(indexAsNumber);

    if (!isValidNumber) {
      throw new Error(`The passed-in 'index' (string) couldn't be converted to 'number'. [${index}] given.`);
    } // Knowing that the converted `index` is a valid number,
    // we can update the original argument's value.


    index = indexAsNumber;
  }

  const swiper = this;
  let slideIndex = index;
  if (slideIndex < 0) slideIndex = 0;
  const {
    params,
    snapGrid,
    slidesGrid,
    previousIndex,
    activeIndex,
    rtlTranslate: rtl,
    wrapperEl,
    enabled
  } = swiper;

  if (swiper.animating && params.preventInteractionOnTransition || !enabled && !internal && !initial) {
    return false;
  }

  const skip = Math.min(swiper.params.slidesPerGroupSkip, slideIndex);
  let snapIndex = skip + Math.floor((slideIndex - skip) / swiper.params.slidesPerGroup);
  if (snapIndex >= snapGrid.length) snapIndex = snapGrid.length - 1;

  if ((activeIndex || params.initialSlide || 0) === (previousIndex || 0) && runCallbacks) {
    swiper.emit('beforeSlideChangeStart');
  }

  const translate = -snapGrid[snapIndex]; // Update progress

  swiper.updateProgress(translate); // Normalize slideIndex

  if (params.normalizeSlideIndex) {
    for (let i = 0; i < slidesGrid.length; i += 1) {
      const normalizedTranslate = -Math.floor(translate * 100);
      const normalizedGrid = Math.floor(slidesGrid[i] * 100);
      const normalizedGridNext = Math.floor(slidesGrid[i + 1] * 100);

      if (typeof slidesGrid[i + 1] !== 'undefined') {
        if (normalizedTranslate >= normalizedGrid && normalizedTranslate < normalizedGridNext - (normalizedGridNext - normalizedGrid) / 2) {
          slideIndex = i;
        } else if (normalizedTranslate >= normalizedGrid && normalizedTranslate < normalizedGridNext) {
          slideIndex = i + 1;
        }
      } else if (normalizedTranslate >= normalizedGrid) {
        slideIndex = i;
      }
    }
  } // Directions locks


  if (swiper.initialized && slideIndex !== activeIndex) {
    if (!swiper.allowSlideNext && translate < swiper.translate && translate < swiper.minTranslate()) {
      return false;
    }

    if (!swiper.allowSlidePrev && translate > swiper.translate && translate > swiper.maxTranslate()) {
      if ((activeIndex || 0) !== slideIndex) return false;
    }
  }

  let direction;
  if (slideIndex > activeIndex) direction = 'next';else if (slideIndex < activeIndex) direction = 'prev';else direction = 'reset'; // Update Index

  if (rtl && -translate === swiper.translate || !rtl && translate === swiper.translate) {
    swiper.updateActiveIndex(slideIndex); // Update Height

    if (params.autoHeight) {
      swiper.updateAutoHeight();
    }

    swiper.updateSlidesClasses();

    if (params.effect !== 'slide') {
      swiper.setTranslate(translate);
    }

    if (direction !== 'reset') {
      swiper.transitionStart(runCallbacks, direction);
      swiper.transitionEnd(runCallbacks, direction);
    }

    return false;
  }

  if (params.cssMode) {
    const isH = swiper.isHorizontal();
    const t = rtl ? translate : -translate;

    if (speed === 0) {
      const isVirtual = swiper.virtual && swiper.params.virtual.enabled;

      if (isVirtual) {
        swiper.wrapperEl.style.scrollSnapType = 'none';
        swiper._immediateVirtual = true;
      }

      wrapperEl[isH ? 'scrollLeft' : 'scrollTop'] = t;

      if (isVirtual) {
        requestAnimationFrame(() => {
          swiper.wrapperEl.style.scrollSnapType = '';
          swiper._swiperImmediateVirtual = false;
        });
      }
    } else {
      if (!swiper.support.smoothScroll) {
        animateCSSModeScroll({
          swiper,
          targetPosition: t,
          side: isH ? 'left' : 'top'
        });
        return true;
      }

      wrapperEl.scrollTo({
        [isH ? 'left' : 'top']: t,
        behavior: 'smooth'
      });
    }

    return true;
  }

  swiper.setTransition(speed);
  swiper.setTranslate(translate);
  swiper.updateActiveIndex(slideIndex);
  swiper.updateSlidesClasses();
  swiper.emit('beforeTransitionStart', speed, internal);
  swiper.transitionStart(runCallbacks, direction);

  if (speed === 0) {
    swiper.transitionEnd(runCallbacks, direction);
  } else if (!swiper.animating) {
    swiper.animating = true;

    if (!swiper.onSlideToWrapperTransitionEnd) {
      swiper.onSlideToWrapperTransitionEnd = function transitionEnd(e) {
        if (!swiper || swiper.destroyed) return;
        if (e.target !== this) return;
        swiper.$wrapperEl[0].removeEventListener('transitionend', swiper.onSlideToWrapperTransitionEnd);
        swiper.$wrapperEl[0].removeEventListener('webkitTransitionEnd', swiper.onSlideToWrapperTransitionEnd);
        swiper.onSlideToWrapperTransitionEnd = null;
        delete swiper.onSlideToWrapperTransitionEnd;
        swiper.transitionEnd(runCallbacks, direction);
      };
    }

    swiper.$wrapperEl[0].addEventListener('transitionend', swiper.onSlideToWrapperTransitionEnd);
    swiper.$wrapperEl[0].addEventListener('webkitTransitionEnd', swiper.onSlideToWrapperTransitionEnd);
  }

  return true;
}

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