.babelrc

{
  "plugins": [
    "syntax-flow",
    "transform-flow-strip-types",
    "babel-plugin-transform-class-properties",
    [
      "babel-plugin-transform-object-rest-spread",
      {
        "useBuiltIns": true
      }
    ],
    [
      "babel-plugin-transform-react-jsx",
      {
        "useBuiltIns": true
      }
    ],
    [
      "babel-plugin-transform-runtime",
      {
        "helpers": false,
        "polyfill": false,
        "regenerator": true
      }
    ],
    [
      "babel-plugin-transform-regenerator",
      {
        "async": false
      }
    ],
    "babel-plugin-syntax-dynamic-import",
    "transform-react-inline-elements",
    "transform-react-constant-elements",
    "react-hot-loader/babel"
  ],
  "presets": [
    "flow",
    [
      "babel-preset-latest",
      {
        "targets": {
          "ie": 9,
          "uglify": true
        },
        "useBuiltIns": false,
        "modules": false
      }
    ],
    "stage-0",
    "react"
  ]
}