From 76763e66671e37090d45bf5db4e99f4823495bca Mon Sep 17 00:00:00 2001
From: Thibaut <thibaut@me.com>
Date: Sat, 8 Feb 2014 11:48:24 -0500
Subject: [PATCH] Fix $.hasChild and $.closestLink when el becomes null

---
 assets/javascripts/lib/util.coffee | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/assets/javascripts/lib/util.coffee b/assets/javascripts/lib/util.coffee
index c4321e15..7d5ff6d2 100644
--- a/assets/javascripts/lib/util.coffee
+++ b/assets/javascripts/lib/util.coffee
@@ -12,15 +12,14 @@ $.id = (id) ->
   document.getElementById(id)
 
 $.hasChild = (parent, el) ->
-  return unless parent and el
-  loop
+  return unless parent
+  while el
     return true if el is parent
     return if el is document.body
     el = el.parentElement
 
 $.closestLink = (el, parent = document.body) ->
-  return unless el and parent
-  loop
+  while el
     return el if el.tagName is 'A'
     return if el is parent
     el = el.parentElement