From 1b2a5462f35b1f864945120aa479afb5d351d9e5 Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Tue, 23 Jan 2018 21:03:33 +0900
Subject: [PATCH] set default properties

---
 src/shared/settings/storage.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/shared/settings/storage.js b/src/shared/settings/storage.js
index 25ebfcd..9b8045d 100644
--- a/src/shared/settings/storage.js
+++ b/src/shared/settings/storage.js
@@ -18,6 +18,9 @@ const loadValue = () => {
     } else if (settings.source === 'form') {
       value = settingsValues.valueFromForm(settings.form);
     }
+    if (!value.properties) {
+      value.properties = {};
+    }
     return Object.assign({},
       settingsValues.valueFromJson(DefaultSettings.json),
       value);