From 8ea693616d010c508f1e397f93610a4acfc0ccee Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sa=C3=BAl=20Ibarra=20Corretg=C3=A9?= <saghul@jitsi.org>
Date: Tue, 12 Feb 2019 17:52:50 +0100
Subject: [PATCH] color-scheme: fix React warning

A reducer must always return a state or null to ignore it. When the color scheme
is undefined we should return the previous state.
---
 react/features/base/color-scheme/reducer.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/react/features/base/color-scheme/reducer.js b/react/features/base/color-scheme/reducer.js
index 7e0939bd0..c61baf221 100644
--- a/react/features/base/color-scheme/reducer.js
+++ b/react/features/base/color-scheme/reducer.js
@@ -14,7 +14,7 @@ import { SET_COLOR_SCHEME } from './actionTypes';
 ReducerRegistry.register('features/base/color-scheme', (state = {}, action) => {
     switch (action.type) {
     case SET_COLOR_SCHEME:
-        return _.cloneDeep(action.colorScheme);
+        return _.cloneDeep(action.colorScheme) || state;
     }
 
     return state;