From 031c373e5aba6c1ea7123510f8274e8f92e80fe6 Mon Sep 17 00:00:00 2001
From: Chris Meller <chris@doesnthaveone.com>
Date: Wed, 17 Oct 2012 19:40:12 -0500
Subject: [PATCH] Fix errors when there is no class on the selected element.

If you are using a selector other than a CSS class, this is necessary.
---
 .../foundation/jquery.foundation.tooltips.js    | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/vendor/assets/javascripts/foundation/jquery.foundation.tooltips.js b/vendor/assets/javascripts/foundation/jquery.foundation.tooltips.js
index 6a31610f3..6ce15b3da 100644
--- a/vendor/assets/javascripts/foundation/jquery.foundation.tooltips.js
+++ b/vendor/assets/javascripts/foundation/jquery.foundation.tooltips.js
@@ -127,15 +127,15 @@
           tip.width(column.outerWidth() - 25).css('left', 15).addClass('tip-override');
           objPos(nub, -nubHeight, 'auto', 'auto', target.offset().left);
         } else {
-          if (classes.indexOf('tip-top') > -1) {
+          if (classes && classes.indexOf('tip-top') > -1) {
             objPos(tip, (target.offset().top - tip.outerHeight() - nubHeight), 'auto', 'auto', target.offset().left, width)
               .removeClass('tip-override');
             objPos(nub, 'auto', 'auto', -nubHeight, 'auto');
-          } else if (classes.indexOf('tip-left') > -1) {
+          } else if (classes && classes.indexOf('tip-left') > -1) {
             objPos(tip, (target.offset().top + (target.outerHeight() / 2) - nubHeight), 'auto', 'auto', (target.offset().left - tip.outerWidth() - 10), width)
               .removeClass('tip-override');
             objPos(nub, (tip.outerHeight() / 2) - (nubHeight / 2), -nubHeight, 'auto', 'auto');
-          } else if (classes.indexOf('tip-right') > -1) {
+          } else if (classes && classes.indexOf('tip-right') > -1) {
             objPos(tip, (target.offset().top + (target.outerHeight() / 2) - nubHeight), 'auto', 'auto', (target.offset().left + target.outerWidth() + 10), width)
               .removeClass('tip-override');
             objPos(nub, (tip.outerHeight() / 2) - (nubHeight / 2), 'auto', 'auto', -nubHeight);
@@ -145,11 +145,12 @@
       },
       inheritable_classes : function (target) {
         var inheritables = ['tip-top', 'tip-left', 'tip-bottom', 'tip-right', 'noradius'],
-          filtered = $.map(target.attr('class').split(' '), function (el, i) {
-            if ($.inArray(el, inheritables) !== -1) {
-              return el;
-            }
-          }).join(' ');
+          classes = target.attr('class'),
+          filtered = classes ? $.map(classes.split(' '), function (el, i) {
+              if ($.inArray(el, inheritables) !== -1) {
+                return el;
+              }
+          }).join(' ') : '';
 
         return $.trim(filtered);
       },
-- 
2.47.3