From f3aa8e96b2d3a7a944e53e9f575563925ecbb4fb Mon Sep 17 00:00:00 2001
From: teramako
Date: Sat, 29 Oct 2011 13:06:44 +0900
Subject: Fix: 同じタブが履歴上で連続してしまう

 1. tab[1], tab[2], tab[1], tab[2] とタブを選択する
 2. tab[2] を閉じると、 tab[1], tab[1] という履歴になる
---
 tab-history.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'tab-history.js')

diff --git a/tab-history.js b/tab-history.js
index 1659e08..ff5b33b 100644
--- a/tab-history.js
+++ b/tab-history.js
@@ -66,6 +66,17 @@ var tabHistory = (function(){
       if (i <= index)
         --index;
     }
+
+    for (let i = 1; i < history.length; ++i) {
+      let prevTab = history[i - 1],
+          currentTab = history[i];
+
+      if (prevTab === currentTab) {
+        history.splice(i, 1);
+        if (i <= index)
+          --index;
+      }
+    }
   }
 
   function addHistory (aTab) {
-- 
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