Added DRL post and svg stuff

themes/custom/layout/layout.ejs

@@ -17,5 +17,34 @@
 <%- js("https://cdn.jsdelivr.net/gh/meethigher/cdn@11/js/layer/layer.js") %>
 <%- js("js/meethigher.js") %>
 <%- js("js/toolbar.js") %>
+<%- js("js/svg-pan-zoom.min.js") %>
+<% if (theme.graphviz.enable) { %>
+  <script src='https://cdnjs.cloudflare.com/ajax/libs/viz.js/1.7.1/viz.js'></script>
+  <script>
+    String.prototype.replaceAll = function(search, replacement) {
+      var target = this;
+      return target.split(search).join(replacement);
+    };
+
+    let vizObjects = document.querySelectorAll('.graphviz');
+
+    for (let item of vizObjects) {
+      let svg = undefined;
+      try {
+        //svg = Viz(item.textContent.replaceAll('–', '--'), 'svg');
+        svg = Viz(item.textContent, 'svg');
+        var panZoomTiger = svgPanZoom(svg, {
+          controlIconsEnabled: true,
+          fit: true,
+          center: true,
+        });
+      } catch(e) {
+        //svg = `<pre class="error">${e}</pre>`;
+        console.log("got "+e);
+      }
+      item.outerHTML = svg;
+    }
+  </script>
+<% } %>
 </body>
 </html>