⚡ improve getDerivedStateFromProps return value

components/date-picker/createPicker.tsx

@@ -40,7 +40,6 @@ export default function createPicker(TheCalendar: React.ComponentClass): any {
       }
       if ('value' in nextProps) {
         state.value = nextProps.value;
-
         if (
           nextProps.value !== prevState.value ||
           (!open && nextProps.value !== prevState.showDate)
@@ -48,7 +47,7 @@ export default function createPicker(TheCalendar: React.ComponentClass): any {
           state.showDate = nextProps.value;
         }
       }
-      return state;
+      return Object.keys(state).length > 0 ? state : null;
     }
 
     private input: any;

components/tag/index.tsx

@@ -51,7 +51,6 @@ class Tag extends React.Component<TagProps, TagState> {
           closed: !nextProps.visible,
         };
       }
-
       return newState;
     }
     return null;

site/theme/template/Color/ColorPicker.jsx

@@ -16,10 +16,13 @@ export default class ColorPicker extends Component {
   }
 
   static getDerivedStateFromProps(props) {
+    if ('color' in props) {
       return {
         color: props.color,
       };
     }
+    return null;
+  }
 
   state = {
     displayColorPicker: false,