From 667f5653a7c717eeccef1e35332af92da78009c8 Mon Sep 17 00:00:00 2001
From: Connor Turland <connorturland@gmail.com>
Date: Fri, 4 Nov 2016 21:03:11 +0000
Subject: [PATCH] topic descriptions from old data can be nil

---
 frontend/src/Metamaps/Util.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/frontend/src/Metamaps/Util.js b/frontend/src/Metamaps/Util.js
index f02a4ada..482cc03b 100644
--- a/frontend/src/Metamaps/Util.js
+++ b/frontend/src/Metamaps/Util.js
@@ -129,9 +129,10 @@ const Util = {
     }
   },
   mdToHTML: text => {
+    const safeText = text || ''
     // use safe: true to filter xss
     return new HtmlRenderer({ safe: true })
-      .render(new Parser().parse(text))
+      .render(new Parser().parse(safeText))
   },
   logCanvasAttributes: function(canvas){
     const fakeMgraph = { canvas }