fix(withRedux): using constructor to initialize state

Author: Dimitri Kopriwa

src/Wrapper/utils/tests/withRedux.test.js

@@ -4,7 +4,7 @@ import withRedux from '../withRedux';
 
 describe('withRedux', () => {
   const mockRedux = {
-    applyMiddleWare: () => jest.fn(),
+    applyMiddleware: () => jest.fn(),
     createStore: jest.fn(),
     compose: jest.fn(),
   };

src/Wrapper/utils/withRedux.js

@@ -12,23 +12,23 @@ const withRedux = ({ redux, 'react-redux': reactRedux }, reducer) => (Component)
     }
 
     /* eslint-disable no-underscore-dangle, function-paren-newline */
-    componentWillMount() {
+    constructor(props) {
+      super(props);
       const { applyMiddleware, createStore, compose } = redux;
       const middleware = [];
       const composeEnhancers = typeof window === 'object'
         && window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__
         ? window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({
           // Specify extension’s options like name, actionsBlacklist, actionsCreators, serialize...
         }) : compose;
-
       const enhancer = composeEnhancers(applyMiddleware(...middleware),
         // other store enhancers if any
       );
 
       const store = createStore(reducer, enhancer);
-      this.setState({
+      this.state = {
         store,
-      });
+      };
     }
     /* eslint-enable no-underscore-dangle, function-paren-newline */