From 5bde38eda9e855a7ef673f3e57d07826d4d00ffe Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Mon, 24 Nov 2014 05:50:08 +0000
Subject: Frames; eliminate Array::rotate.

Array::rotate extends the array object, polluting its name space; so,
instead, we just rotate the array manually.
---
 background_scripts/main.coffee | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'background_scripts')

diff --git a/background_scripts/main.coffee b/background_scripts/main.coffee
index 10e6121f..48b54492 100644
--- a/background_scripts/main.coffee
+++ b/background_scripts/main.coffee
@@ -286,8 +286,9 @@ BackgroundCommands =
     chrome.tabs.getSelected(null, (tab) ->
       # We can't always track which frame chrome has focussed, but here we learn that it's frameId; so add an
       # additional offset such that we do indeed start from frameId.
-      offset = Math.max 0, frameIdsForTab[tab.id].indexOf frameId
-      frames = frameIdsForTab[tab.id] = frameIdsForTab[tab.id].rotate(count+offset)
+      count += Math.max 0, frameIdsForTab[tab.id].indexOf frameId
+      frames = frameIdsForTab[tab.id]
+      frames = frameIdsForTab[tab.id] = [frames[count..]..., frames[0...count]...]
       chrome.tabs.sendMessage(tab.id, { name: "focusFrame", frameId: frames[0], highlight: true }))
 
   closeTabsOnLeft: -> removeTabsRelative "before"
-- 
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