Added new frontend.

visualizer/public/vendor/htmx/ext/morphdom-swap.js

@@ -0,0 +1,17 @@
+htmx.defineExtension('morphdom-swap', {
+    isInlineSwap: function(swapStyle) {
+        return swapStyle === 'morphdom';
+    },
+    handleSwap: function (swapStyle, target, fragment) {
+        if (swapStyle === 'morphdom') {
+            if (fragment.nodeType === Node.DOCUMENT_FRAGMENT_NODE) {
+                // IE11 doesn't support DocumentFragment.firstElementChild
+                morphdom(target, fragment.firstElementChild || fragment.firstChild);
+                return [target];
+            } else {
+                morphdom(target, fragment.outerHTML);
+                return [target];
+            }
+        }
+    }
+});