https://cdn.infourok.ru/assets/document/controllers/pages/document/utils-397HXU2.js

1// @ts-ignore
2import Swiper from "swiper";
3// @ts-ignore
4import { Pagination } from "swiper/modules";
5export function formatViewerProgress(index, total) {
6    if (total <= 0) return "";
7    return "".concat(index + 1, "/").concat(total);
8}
9export function setTextIfExists(target, text) {
10    if (target) {
11        target.textContent = text;
12    }
13}
14export function preventImagesContextMenu(root) {
15    root.querySelectorAll("img").forEach(function(img) {
16        img.addEventListener("contextmenu", function(event) {
17            return event.preventDefault();
18        });
19    });
20}
21export function updateCompactSwiperBullets(swiper) {
22    var maxMain = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : 5;
23    var bullets = Array.from(swiper.pagination.bullets || []);
24    var total = bullets.length;
25    var _swiper_realIndex;
26    var activeIndex = (_swiper_realIndex = swiper.realIndex) !== null && _swiper_realIndex !== void 0 ? _swiper_realIndex : 0;
27    if (!total) return;
28    bullets.forEach(function(bullet) {
29        return bullet.classList.remove("material-bullet--main", "material-bullet--tiny", "material-bullet--hidden");
30    });
31    if (total <= maxMain) {
32        bullets.forEach(function(bullet) {
33            return bullet.classList.add("material-bullet--main");
34        });
35        return;
36    }
37    var start = activeIndex - 2;
38    var end = activeIndex + 2;
39    if (start < 0) {
40        start = 0;
41        end = start + (maxMain - 1);
42    }
43    if (end > total - 1) {
44        end = total - 1;
45        start = end - (maxMain - 1);
46    }
47    bullets.forEach(function(bullet, index) {
48        if (index < start || index > end) {
49            bullet.classList.add("material-bullet--hidden");
50        } else {
51            bullet.classList.add("material-bullet--main");
52        }
53    });
54    if (start > 0) {
55        var tinyPrev = bullets[start - 1];
56        tinyPrev.classList.remove("material-bullet--hidden");
57        tinyPrev.classList.add("material-bullet--tiny");
58    }
59    if (end < total - 1) {
60        var tinyNext = bullets[end + 1];
61        tinyNext.classList.remove("material-bullet--hidden");
62        tinyNext.classList.add("material-bullet--tiny");
63    }
64}
65export function createPaginationSwiper(param) {
66    var container = param.container, pagination = param.pagination, _param_autoHeight = param.autoHeight, autoHeight = _param_autoHeight === void 0 ? true : _param_autoHeight, onInit = param.onInit, onSlideChange = param.onSlideChange;
67    return new Swiper(container, {
68        modules: [
69            Pagination
70        ],
71        pagination: {
72            el: pagination,
73            clickable: true
74        },
75        loop: false,
76        autoHeight: autoHeight,
77        on: {
78            init: function(swiper) {
79                onInit === null || onInit === void 0 ? void 0 : onInit(swiper);
80                if (autoHeight) {
81                    swiper.updateAutoHeight();
82                }
83            },
84            slideChange: function(swiper) {
85                onSlideChange === null || onSlideChange === void 0 ? void 0 : onSlideChange(swiper);
86                if (autoHeight) {
87                    swiper.updateAutoHeight();
88                }
89            }
90        }
91    });
92}