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.
jitsi · Feb 12, 2019 · 8ea6936 · 8ea6936
1 parent 2442ef8
commit 8ea6936
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;