https://lagomera.travel/modules/custom/hic_block_md_related_events/js/md_related_events_slider.js?v=1.x

1(function($, Drupal, once) {
2    'use strict';
3
4    function _isDesktop() {
5        return $(window).innerWidth() >= 768;
6    }
7
8    Drupal.behaviors.mdRelEveGallerySlider = {
9        attach: function(context, settings) {
10            $(once('md-related-events-slider-processed', '.md-related-events-slider')).each(function() {
11                var totalSlides = $(this).find('.swiper-slide').length;
12                var transitionSpeed = 1000;
13                var initSlide;
14                var isLoop;
15                var slidesPerView;
16                var loopAdditionalSlides;
17                if (_isDesktop()) {
18                    //centramos en la 3(2) si es desktop y en la 2(1) si es movil
19                    initSlide = (totalSlides > 4) ? 2 : parseInt(totalSlides / 2);
20                    isLoop = (totalSlides > 5);
21                    loopAdditionalSlides = (isLoop) ? 5 : 0
22                } else {
23                    initSlide = (totalSlides > 2) ? 1 : parseInt(totalSlides / 2);;
24                    isLoop = (totalSlides > 3);
25                    loopAdditionalSlides = (isLoop) ? 3 : 0
26                }
27                var gallerySwiper = new Swiper($(this).find('.swiper-container').first(), {
28                    loop: isLoop,
29                    loopAdditionalSlides: loopAdditionalSlides,
30                    speed: transitionSpeed,
31                    centeredSlides: true,
32                    centeredSlidesBounds: true,
33                    centerInsufficientSlides: true,
34                    spaceBetween: 0,
35                    effect: 'slide',
36                    initialSlide: initSlide,
37                    updateOnWindowResize: true,
38                    pagination: {
39                        el: '.swiper-pagination',
40                        type: 'bullets',
41                        clickable: true,
42                    },
43                    // Default parameters
44                    slidesPerView: 1
45                });
46
47                $(this).find('.swiper-slide').each(function(index) {
48                    $(this).click(function() {
49                        //si es el seleccionado, vamos a l url, si no, lo ponemos a activo y cancelamos evento
50                    	var prevIndex = gallerySwiper.activeIndex;
51                    	gallerySwiper.slideTo(index);
52                    	gallerySwiper.loopFix();
53                    	gallerySwiper.update();
54                    	if (prevIndex != index) {
55                        	return false;
56                        }
57                    });
58                });
59
60            });
61        }
62    };
63
64})(jQuery, Drupal, once)