updateClickedSlide.js

export default function updateClickedSlide(e) {
	const swiper = this;
	const params = swiper.params;
	const slide = swiper.slides[e];
	let slideFound = false;
	let slideIndex;

	if (slide) {
		for (let i = 0; i < swiper.slides.length; i += 1) {
			if (swiper.slides[i] === slide) {
				slideFound = true;
				slideIndex = i;
				break;
			}
		}
	}

	if (slide && slideFound) {
		swiper.clickedSlide = slide;

		if (swiper.virtual && swiper.params.virtual.enabled) {
			swiper.clickedIndex = parseInt($(slide).attr('data-swiper-slide-index'), 10);
		} else {
			swiper.clickedIndex = slideIndex;
		}
	} else {
		swiper.clickedSlide = undefined;
		swiper.clickedIndex = undefined;
		return;
	}

	if (params.slideToClickedSlide && swiper.clickedIndex !== undefined && swiper.clickedIndex !== swiper.activeIndex) {
		swiper.slideToClickedSlide();
	}
}