.babelrc

{
  "env": {
    "es": {
      "presets": ["es2015", "react", "stage-2"],
      "plugins": ["transform-runtime", "transform-object-assign", "transform-decorators-legacy", "transform-class-properties", "react-hot-loader/babel"]
    },
    "umd": {
      "presets": ["es2015", "react", "stage-2"],
      "plugins": ["transform-runtime", ["transform-react-remove-prop-types", {"mode" : "wrap"}], "transform-object-assign", "transform-decorators-legacy", "transform-class-properties", "react-hot-loader/babel"]
    },
    "demo": {
      "comments": false,
      "presets": ["es2015", "react", "stage-2"],
      "plugins": ["transform-decorators-legacy", "transform-class-properties", "react-hot-loader/babel"]
    },
    "development": {
      "presets": ["es2015", "react", "stage-2"],
      "plugins": ["transform-decorators-legacy", "transform-class-properties", "react-hot-loader/babel"]
    }
  }
}