clean up time formatting

ebshimizu · Dec 27, 2018 · 8db607f · 8db607f
1 parent eafc89d
commit 8db607f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/js/util/formatters.js b/js/util/formatters.js
@@ -1,5 +1,8 @@
 // formats to mm:ss
 function formatSeconds(val) {
+  if (isNaN(val))
+    return '--:--';
+
   let invert = false;
   if (val < 0)
     invert = true;