// Source:
// https://github.com/gaearon/react-transform-hmr/tree/f22f9a938ed295e0c5ebe756d73fdae4c3a6fdef
{
  "presets": ["react", "es2015"],
  "env": {
    // only enable it when process.env.NODE_ENV is 'development' or undefined
    "development": {
      "plugins": [
        ["react-transform", {
          "transforms": [{
          "transform": "react-transform-hmr",
          // if you use React Native, pass "react-native" instead:
          "imports": ["react"],
          // this is important for Webpack HMR:
          "locals": ["module"]
          }]
        }]
      ]
    }
  }
}