From 176ea28aecc446be0c9788e6a59677fa94c51fee Mon Sep 17 00:00:00 2001
From: mrmr1993
Date: Sun, 23 Nov 2014 11:53:22 +0000
Subject: Monitor a tab's frames as a list with the current frame at its head

---
 lib/utils.coffee | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib')

diff --git a/lib/utils.coffee b/lib/utils.coffee
index b7f8731a..428112c8 100644
--- a/lib/utils.coffee
+++ b/lib/utils.coffee
@@ -147,6 +147,13 @@ Array.copy = (array) -> Array.prototype.slice.call(array, 0)
 
 String::startsWith = (str) -> @indexOf(str) == 0
 
+Array::rotate = (count) ->
+  return this if @length == 0
+  count = count % @length
+  count = count + @length if count < 0
+  Array::push.apply(this, @splice(0, count))
+  this
+
 globalRoot = window ? global
 globalRoot.extend = (hash1, hash2) ->
   for key of hash2
-- 
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