couple of small tweaks.

.storybook/config.js

 import React from 'react';
 if (process.env.NODE_ENV !== 'production') {
-  const {whyDidYouUpdate} = require('why-did-you-update');
+  const { whyDidYouUpdate } = require('why-did-you-update');
   whyDidYouUpdate(React);
 }
 

src/utils/baseClass.js

@@ -2,7 +2,7 @@ import React from 'react';
 import shallowCompare from 'react-addons-shallow-compare';
 
 class BaseClass extends (React.PureComponent || React.Component) {
-  [React.PureComponent || 'shouldComponentUpdate'](nextProps, nextState) {
+  [!React.PureComponent && 'shouldComponentUpdate'](nextProps, nextState) {
     return shallowCompare(this, nextProps, nextState);
   }
 }