forked from Sync/hugo-theme-stack
feat: upgrade to PhotoSwipe v5
This commit is contained in:
Jimmy Cai
GitHub
parent
e5f3cb11d5
commit
9d4ab5afcf
@ -1,67 +1,22 @@
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declare global {
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interface Window {
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PhotoSwipe: any;
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PhotoSwipeUI_Default: any
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const wrap = (figures: HTMLElement[]) => {
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const galleryContainer = document.createElement('div');
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galleryContainer.className = 'gallery';
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const parentNode = figures[0].parentNode,
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first = figures[0];
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parentNode.insertBefore(galleryContainer, first)
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for (const figure of figures) {
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galleryContainer.appendChild(figure);
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}
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}
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interface PhotoSwipeItem {
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w: number;
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h: number;
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src: string;
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msrc: string;
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title?: string;
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el: HTMLElement;
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}
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class StackGallery {
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private galleryUID: number;
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private items: PhotoSwipeItem[] = [];
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constructor(container: HTMLElement, galleryUID = 1) {
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if (window.PhotoSwipe == undefined || window.PhotoSwipeUI_Default == undefined) {
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console.error("PhotoSwipe lib not loaded.");
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return;
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}
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this.galleryUID = galleryUID;
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StackGallery.createGallery(container);
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this.loadItems(container);
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this.bindClick();
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}
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private loadItems(container: HTMLElement) {
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this.items = [];
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const figures = container.querySelectorAll('figure.gallery-image');
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for (const el of figures) {
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const figcaption = el.querySelector('figcaption'),
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img = el.querySelector('img');
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let aux: PhotoSwipeItem = {
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w: parseInt(img.getAttribute('width')),
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h: parseInt(img.getAttribute('height')),
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src: img.src,
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msrc: img.getAttribute('data-thumb') || img.src,
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el: el
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}
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if (figcaption) {
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aux.title = figcaption.innerHTML;
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}
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this.items.push(aux);
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}
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}
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public static createGallery(container: HTMLElement) {
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export default (container: HTMLElement) => {
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/// The process of wrapping image with figure tag is done using JavaScript instead of only Hugo markdown render hook
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/// because it can not detect whether image is being wrapped by a link or not
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/// and it lead to a invalid HTML construction (<a><figure><img></figure></a>)
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const images = container.querySelectorAll('img.gallery-image');
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const images = container.querySelectorAll('img.gallery-image') as NodeListOf<HTMLImageElement>;
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for (const img of Array.from(images)) {
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/// Images are wrapped with figure tag if the paragraph has only images without texts
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/// This is done to allow inline images within paragraphs
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@ -106,16 +61,16 @@ class StackGallery {
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const a = document.createElement('a');
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a.href = img.src;
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a.setAttribute('target', '_blank');
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a.setAttribute('data-pswp-width', img.width.toString());
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a.setAttribute('data-pswp-height', img.height.toString());
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img.parentNode.insertBefore(a, img);
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a.appendChild(img);
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}
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}
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const figuresEl = container.querySelectorAll('figure.gallery-image');
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const figuresEl = container.querySelectorAll('figure.gallery-image') as NodeListOf<HTMLElement>;
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let currentGallery = [];
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for (const figure of figuresEl) {
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for (const figure of Array.from(figuresEl)) {
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if (!currentGallery.length) {
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/// First iteration
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currentGallery = [figure];
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@ -126,61 +81,12 @@ class StackGallery {
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}
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else if (currentGallery.length) {
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/// End gallery
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StackGallery.wrap(currentGallery);
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wrap(currentGallery);
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currentGallery = [figure];
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}
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}
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if (currentGallery.length > 0) {
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StackGallery.wrap(currentGallery);
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wrap(currentGallery);
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}
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}
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/**
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* Wrap adjacent figure tags with div.gallery
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* @param figures
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*/
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public static wrap(figures: HTMLElement[]) {
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const galleryContainer = document.createElement('div');
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galleryContainer.className = 'gallery';
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const parentNode = figures[0].parentNode,
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first = figures[0];
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parentNode.insertBefore(galleryContainer, first)
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for (const figure of figures) {
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galleryContainer.appendChild(figure);
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}
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}
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public open(index: number) {
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const pswp = document.querySelector('.pswp') as HTMLDivElement;
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const ps = new window.PhotoSwipe(pswp, window.PhotoSwipeUI_Default, this.items, {
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index: index,
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galleryUID: this.galleryUID,
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getThumbBoundsFn: (index) => {
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const thumbnail = this.items[index].el.getElementsByTagName('img')[0],
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pageYScroll = window.pageYOffset || document.documentElement.scrollTop,
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rect = thumbnail.getBoundingClientRect();
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return { x: rect.left, y: rect.top + pageYScroll, w: rect.width };
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}
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});
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ps.init();
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}
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private bindClick() {
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for (const [index, item] of this.items.entries()) {
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const a = item.el.querySelector('a');
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a.addEventListener('click', (e) => {
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e.preventDefault();
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this.open(index);
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})
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}
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}
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}
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export default StackGallery;
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};
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@ -5,7 +5,6 @@
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* @website: https://jimmycai.com
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* @link: https://github.com/CaiJimmy/hugo-theme-stack
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*/
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import StackGallery from "ts/gallery";
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import StackCodeBlock from "ts/codeblock";
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import menu from 'ts/menu';
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import createElement from 'ts/createElement';
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@ -22,7 +21,6 @@ let Stack = {
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const articleContent = document.querySelector('.article-content') as HTMLElement;
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if (articleContent) {
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new StackGallery(articleContent);
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setupSmoothAnchors();
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setupScrollspy();
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}
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@ -1,68 +1,20 @@
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<!-- Root element of PhotoSwipe. Must have class pswp. -->
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<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
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{{- $opts := dict "minify" hugo.IsProduction "format" "esm" -}}
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{{- $galleryScript := resources.Get "ts/gallery.ts" | js.Build $opts -}}
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<!-- Background of PhotoSwipe.
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It's a separate element as animating opacity is faster than rgba(). -->
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<div class="pswp__bg"></div>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/photoswipe@5.2.7/dist/photoswipe.css"
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integrity="sha256-olf9rfn3AG8zR6lkPXkN3PZq63z8tElx7Ela6T4eklo=" crossorigin="anonymous">
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<!-- Slides wrapper with overflow:hidden. -->
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<div class="pswp__scroll-wrap">
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<script type="module">
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import StackGallery from '{{ $galleryScript.RelPermalink }}';
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import PhotoSwipeLightbox from 'https://cdn.jsdelivr.net/npm/photoswipe@5.2.7/dist/photoswipe-lightbox.esm.min.js';
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<!-- Container that holds slides.
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PhotoSwipe keeps only 3 of them in the DOM to save memory.
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Don't modify these 3 pswp__item elements, data is added later on. -->
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<div class="pswp__container">
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<div class="pswp__item"></div>
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<div class="pswp__item"></div>
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<div class="pswp__item"></div>
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</div>
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console.log(StackGallery)
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StackGallery(document.querySelector('.article-content'));
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<!-- Default (PhotoSwipeUI_Default) interface on top of sliding area. Can be changed. -->
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<div class="pswp__ui pswp__ui--hidden">
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<div class="pswp__top-bar">
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<!-- Controls are self-explanatory. Order can be changed. -->
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<div class="pswp__counter"></div>
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<button class="pswp__button pswp__button--close" title="Close (Esc)"></button>
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<button class="pswp__button pswp__button--share" title="Share"></button>
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<button class="pswp__button pswp__button--fs" title="Toggle fullscreen"></button>
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<button class="pswp__button pswp__button--zoom" title="Zoom in/out"></button>
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<!-- Preloader demo https://codepen.io/dimsemenov/pen/yyBWoR -->
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<!-- element will get class pswp__preloader--active when preloader is running -->
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<div class="pswp__preloader">
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<div class="pswp__preloader__icn">
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<div class="pswp__preloader__cut">
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<div class="pswp__preloader__donut"></div>
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</div>
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</div>
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</div>
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</div>
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<div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
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<div class="pswp__share-tooltip"></div>
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</div>
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<button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
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</button>
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<button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
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</button>
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<div class="pswp__caption">
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<div class="pswp__caption__center"></div>
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</div>
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</div>
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</div>
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</div>
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{{- partial "helper/external" (dict "Context" . "Namespace" "PhotoSwipe") -}}
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const lightbox = new PhotoSwipeLightbox({
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gallery: '.article-content',
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children: '.gallery-image a',
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pswpModule: () => import('https://cdn.jsdelivr.net/npm/photoswipe@5.2.7/dist/photoswipe.esm.min.js')
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});
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lightbox.init();
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</script>
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