From dd5e30f414b7f869a1eae8cdb8cdf2d13b0fa7bf Mon Sep 17 00:00:00 2001
From: Tom Moor <tom.moor@gmail.com>
Date: Sat, 21 Sep 2019 12:42:28 -0700
Subject: [PATCH] fix: Account for missing localStorage (browser security
 settings?)

---
 app/stores/UiStore.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/app/stores/UiStore.js b/app/stores/UiStore.js
index 4d05ef160..2077745e7 100644
--- a/app/stores/UiStore.js
+++ b/app/stores/UiStore.js
@@ -8,7 +8,9 @@ import type { Toast } from '../types';
 
 class UiStore {
   @observable
-  theme: 'light' | 'dark' = window.localStorage.getItem('theme') || 'light';
+  theme: 'light' | 'dark' = (window.localStorage &&
+    window.localStorage.getItem('theme')) ||
+    'light';
   @observable activeModalName: ?string;
   @observable activeModalProps: ?Object;
   @observable activeDocumentId: ?string;
@@ -21,7 +23,10 @@ class UiStore {
   @action
   toggleDarkMode = () => {
     this.theme = this.theme === 'dark' ? 'light' : 'dark';
-    window.localStorage.setItem('theme', this.theme);
+
+    if (window.localStorage) {
+      window.localStorage.setItem('theme', this.theme);
+    }
   };
 
   @action