initial

themes/next/layout/_third-party/mermaid.swig

@@ -0,0 +1,21 @@
+{% if theme.mermaid.enable %}
+<script>
+if ($('body').find('pre.mermaid').length) {
+  $.ajax({
+    type: 'GET',
+    url: '{{ theme.mermaid.cdn }}',
+    dataType: 'script',
+    cache: true,
+    success: function() {
+      mermaid.initialize({
+        theme: '{{ theme.mermaid.theme }}',
+        logLevel: 3,
+        flowchart: { curve: 'linear' },
+        gantt: { axisFormat: '%m/%d/%Y' },
+        sequence: { actorMargin: 50 }
+      });
+    }
+  });
+}
+</script>
+{% endif %}