Adds console.log line in getDerivedStateFromProps

Author: velopert

07/hello-react/src/LifeCycleSample.js

@@ -10,6 +10,7 @@ class LifeCycleSample extends Component {
     console.log('constructor');
   }
   static getDerivedStateFromProps(nextProps, prevState) {
+    console.log('getDerivedStateFromProps');
     if (nextProps.color !== prevState.color) {
       return { color: nextProps.color };
     }