From 4e4ec57324f9a81db6728eb9c601b557e6412fc6 Mon Sep 17 00:00:00 2001
From: Piro / YUKI Hiroshi <piro.outsider.reflex@gmail.com>
Date: Thu, 18 Aug 2016 22:55:22 +0900
Subject: [PATCH] Return only unique URLs

---
 content/treestyletab/content-utils.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/content/treestyletab/content-utils.js b/content/treestyletab/content-utils.js
index 1ac35952..bb89d5cc 100644
--- a/content/treestyletab/content-utils.js
+++ b/content/treestyletab/content-utils.js
@@ -87,12 +87,12 @@
 		]),
 
 		collectLocations : function(aFrame, aLocations) {
-			aLocations = aLocations || [];
-			aLocations.push(this.getHashString(aFrame.location.href));
+			aLocations = aLocations || {};
+			aLocations[this.getHashString(aFrame.location.href)] = true;
 			Array.forEach(aFrame.frames, function(aSubFrame) {
 				this.collectLocations(aSubFrame, aLocations);
 			}, this);
-			return aLocations;
+			return Object.keys(aLocations);
 		},
 		getHashString : function(aString) {
 			let hasher = Cc['@mozilla.org/security/hash;1']