Merge pull request #472 from kaisermann/refactor-dev-logic

Make process shim not necessary on production environments

src/index.js

@@ -30,7 +30,7 @@ const CAMEL_PROPS = /^(?:accent|alignment|arabic|baseline|cap|clip|color|fill|fl
 const BYPASS_HOOK = {};
 
 /*global process*/
-const DEV = typeof process==='undefined' || !process.env || process.env.NODE_ENV!=='production';
+const DEV = typeof process !== 'undefined' && process.env && process.env.NODE_ENV!=='production';
 
 // a component that renders nothing. Used to replace components for unmountComponentAtNode.
 function EmptyComponent() { return null; }