Refactor code

Author: Andrej Mihajlov

app/client/main.js

@@ -6,12 +6,11 @@ import App from './containers/App';
 import reducers from './reducers';
 import actionCreators from './actions';
 
-const isDevelopment = process.env.NODE_ENV === 'development';
 const initialState = {};
 
 const composeEnhancers = (() => {
   const compose_ = window && window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__;
-  if(isDevelopment && compose_) {
+  if(process.env.NODE_ENV === 'development' && compose_) {
     return compose_({ actionCreators });
   }
   return compose;