From 930e3ad7c5189ff457993b6491430426ea3c9a59 Mon Sep 17 00:00:00 2001
From: Joe Hand <joe@joehand.org>
Date: Thu, 21 Mar 2013 10:55:05 -0600
Subject: [PATCH] [#286, bugfix]: Fix case for null in Tick labels

Trying to run label.toString() on null value in tickFormatter results
in error.
---
 src/view.flot.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/view.flot.js b/src/view.flot.js
index f23abc87..018a2963 100644
--- a/src/view.flot.js
+++ b/src/view.flot.js
@@ -191,7 +191,7 @@ my.Flot = Backbone.View.extend({
       // convert x to a string and make sure that it is not too long or the
       // tick labels will overlap
       // TODO: find a more accurate way of calculating the size of tick labels
-      var label = self._xaxisLabel(x);
+      var label = self._xaxisLabel(x) || "";
 
       if (typeof label !== 'string') {
         label = label.toString();