From 3732fd29d5318ba28b74f6076a0d687940f51ef0 Mon Sep 17 00:00:00 2001
From: Luke Barnard <luke@matrix.org>
Date: Thu, 14 Dec 2017 16:17:06 +0000
Subject: [PATCH] Comments for instance variables

---
 src/components/views/rooms/RoomList.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/components/views/rooms/RoomList.js b/src/components/views/rooms/RoomList.js
index fbb563cf14..95d910c880 100644
--- a/src/components/views/rooms/RoomList.js
+++ b/src/components/views/rooms/RoomList.js
@@ -86,7 +86,12 @@ module.exports = React.createClass({
         cli.on("Group.myMembership", this._onGroupMyMembership);
 
         this._groupStores = {};
-        this._selectedTagsRoomIdsForGroup = {};
+        // A map between tags which are group IDs and the room IDs of rooms that should be kept
+        // in the room list when filtering by that tag.
+        this._selectedTagsRoomIdsForGroup = {
+            // $groupId: [$roomId1, $roomId2, ...],
+        };
+        // All rooms that should be kept in the room list when filtering
         this._selectedTagsRoomIds = [];
         // When the selected tags are changed, initialise a group store if necessary
         this._filterStoreToken = FilterStore.addListener(() => {