.babelrc

{
  "presets": [
    "es2015",
    "stage-0",
    "react"
  ],
  "plugins": [
    "react-hot-loader/babel",
    "add-module-exports"
  ],
  "env": {
    "production": {
      "presets": ["react-optimize"],
      "plugins": [
        "babel-plugin-dev-expression"
      ]
    },
    "test": {
      "plugins": [
        ["webpack-loaders", { "config": "webpack.config.node.js", "verbose": false }]
      ]
    }
  }
}