use https://github.com/nunocoracao/blowfish.git

themes/blowfish/assets/js/shortcodes/gallery.js

@@ -0,0 +1,22 @@
+function _getDefaultPackeryOptions() {
+    return {
+        percentPosition: true,
+        gutter: 5,
+        resize: true
+    };
+}
+
+(function init() {
+
+    $(window).on("load", function () {
+        let packeries = [];
+        let nodeGalleries = document.querySelectorAll('.gallery');
+
+        nodeGalleries.forEach(nodeGallery => {
+            // TODO : implement a reader of Packery configuration _getPackeryOptions; for example by reading data-attribute
+            let packery = new Packery(nodeGallery, _getDefaultPackeryOptions());
+            packeries.push(packery);
+        });
+        console.groupEnd();
+    });
+})();