hexo-theme-amane/layout/plugin/gallery.ejs

<% if (plugin !== false) { %>
    <% if (head) { %>
    <%- css(cdn('lightgallery', '1.6.8', 'dist/css/lightgallery.min.css')) %>
    <%- css(cdn('justifiedGallery', '3.7.0', 'dist/css/justifiedGallery.min.css')) %>
    <% } else { %>
    <%- js(cdn('lightgallery', '1.6.8', 'dist/js/lightgallery.min.js')) %>
    <%- js(cdn('justifiedGallery', '3.7.0', 'dist/js/jquery.justifiedGallery.min.js')) %>
    <script>
        (function ($) {
            $(document).ready(function () {
                if (typeof($.fn.lightGallery) === 'function') {
                    $('.article').lightGallery({ selector: '.gallery-item' });
                }
                if (typeof($.fn.justifiedGallery) === 'function') {
                    $('.justified-gallery').justifiedGallery();
                }
            });
        })(jQuery);
    </script>
    <% } %>
<% } %>