Update to handle graphviz output empty graph

hackmdio · Dec 19, 2016 · c8d37dd · c8d37dd
1 parent 92f2a4a
commit c8d37dd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/public/js/extra.js b/public/js/extra.js
@@ -343,6 +343,7 @@ function finishView(view) {
             var $ele = $(value).parent().parent();
 
             var graphviz = Viz($value.text());
+            if (!graphviz) throw Error('viz.js output empty graph');
             $value.html(graphviz);
 
             $ele.addClass('graphviz');