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Direktori : /var/www/html/node_modules/swiper/core/slide/ |
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; }