From 5bab361d436977fde253ddb98ff8772c5f8421b1 Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Wed, 27 Mar 2019 19:25:10 -0500
Subject: [PATCH] fix: safeguard

---
 traits/informed.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/traits/informed.js b/traits/informed.js
index 7c5eadb..94e2542 100644
--- a/traits/informed.js
+++ b/traits/informed.js
@@ -113,7 +113,7 @@ class InformedBase extends Trait {
           }
           // Reduce entities.
           diff.room.layers[index].entityList = entityReducer(
-            diff.room.layers[index].entityList,
+            diff.room.layers[index].entityList || {},
             indexedEntities,
           );
         }