From 4e43a590c47bacd29e36c49eb6393085c0e82715 Mon Sep 17 00:00:00 2001
From: Jelte Fennema <github-tech@jeltef.nl>
Date: Fri, 16 Jan 2015 18:27:11 +0100
Subject: [PATCH] Fix hover error when hovering over an empty bar chart

---
 lib/morris.bar.coffee | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/morris.bar.coffee b/lib/morris.bar.coffee
index 521fd13..b6a34ea 100644
--- a/lib/morris.bar.coffee
+++ b/lib/morris.bar.coffee
@@ -238,7 +238,10 @@ class Morris.Bar extends Morris.Grid
   # @private
   onHoverMove: (x, y) =>
     index = @hitTest(x, y)
-    @hover.update(@hoverContentForRow(index)...)
+    if index?
+      @hover.update(@hoverContentForRow(index)...)
+    else
+      @hover.hide()
 
   # hover out event handler
   #