https://ds24.ru/bitrix/components/ranx/block.landing/templates/2_3/script.js

1if (typeof Block2_3Slider === 'undefined') {
2    function Block2_3Slider(blockId) {
3        this.$slider = $('#block_' + blockId).find('.tizers');
4        this.options = {
5            arrows: false,
6            dots: true,
7            cssEase: 'linear',
8            slidesToShow: 1,
9        };
10        this.isInitProcess = false;
11        this.isDestroyProcess = false;
12
13        this.subscribeToEvents();
14        this.resizeHandler();
15    }
16
17    Block2_3Slider.prototype.dotsHandler = function (e, slick) {
18        slick.$slider.find('.slick-dots li').each(function () {
19            $(this).addClass('theme-bg');
20        });
21        if (slick.$slider.find('.slick-track').children().length === 1) {
22            slick.$slider.addClass('slider--one-slide');
23        }
24    };
25    Block2_3Slider.prototype.lazyLoadHandler = function (e, slick) {
26        if (typeof lazyLoadInstance !== 'undefined') {
27            lazyLoadInstance.update();
28        }
29    };
30    Block2_3Slider.prototype.isMobile = function () {
31        return window.matchMedia('(max-width: 767px)').matches;
32    };
33    Block2_3Slider.prototype.isInit = function () {
34        return this.$slider.hasClass('slick-initialized');
35    };
36    Block2_3Slider.prototype.isProcess = function () {
37        return this.isInitProcess || this.isDestroyProcess;
38    };
39    Block2_3Slider.prototype.resizeHandler = function () {
40        if (this.isProcess()) {
41            return;
42        }
43        if (this.isMobile() && !this.isInit()) {
44            this.isInitProcess = true;
45            this.$slider.slick(this.options);
46            return;
47        }
48        if (!this.isMobile() && this.isInit()) {
49            this.isDestroyProcess = true;
50            this.$slider.slick('unslick');
51        }
52    };
53    Block2_3Slider.prototype.initHandler = function (slick) {
54        this.isInitProcess = false;
55    };
56    Block2_3Slider.prototype.destroyHandler = function (event, slick) {
57        this.isDestroyProcess = false;
58    };
59    Block2_3Slider.prototype.subscribeToEvents = function () {
60        this.$slider.on('init reInit afterChange', this.lazyLoadHandler);
61        this.$slider.on('init reInit', this.dotsHandler.bind(this));
62        this.$slider.on('init reInit', this.initHandler.bind(this));
63        this.$slider.on('destroy', this.destroyHandler.bind(this));
64        $(window).on('resize', this.resizeHandler.bind(this));
65    };
66    Block2_3Slider.prototype.release = function () {
67        this.$slider.off('init reInit afterChange', this.lazyLoadHandler);
68        this.$slider.off('init reInit', this.dotsHandler.bind(this));
69        this.$slider.off('init reInit', this.initHandler.bind(this));
70        this.$slider.off('destroy', this.destroyHandler.bind(this));
71        $(window).off('resize', this.resizeHandler.bind(this));
72    };
73}