Ensure that gutterOffset is never NaN by not dividing by zero

ajaxorg · Feb 24, 2016 · e7a5bae · e7a5bae
1 parent 74712db
commit e7a5bae
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/ace/virtual_renderer.js b/lib/ace/virtual_renderer.js
@@ -1032,7 +1032,7 @@ var VirtualRenderer = function(container, theme) {
             minHeight : minHeight,
             maxHeight : maxHeight,
             offset : offset,
-            gutterOffset : Math.max(0, Math.ceil((offset + size.height - size.scrollerHeight) / lineHeight)),
+            gutterOffset : lineHeight ? Math.max(0, Math.ceil((offset + size.height - size.scrollerHeight) / lineHeight)) : 0,
             height : this.$size.scrollerHeight
         };