{
  "presets": ["react", "es2015", "stage-0"],
  "plugins": [
    ["add-module-exports"],
    ["transform-decorators-legacy"],
    ["transform-dev-warning"]
  ],
  "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"]
        }]
        // note: you can put more transforms into array
        // this is just one of them!
      }]],
      "presets": ["es2015", "stage-0"]
    }
  }
}