React Transform of the render method for log output

1. First, install the Babel plugin:

   npm install --save-dev babel-plugin-react-transform
   

2. Then, install the transform:

   npm install --save-dev react-transform-log-render
   

3. Now edit your .babelrc to include extra.babel-plugin-react-transform

   {
     "stage": 0,
     "env": {
       "development": {
         "plugins": ["react-transform"],
         "extra": {
           "react-transform": {
             "transforms": [{
               "transform": "react-transform-log-render",
             }, …]
           }
         }
       }
     }
   }