.babelrc

{
  "presets": [
    "es2017",
    "es2016",
    "es2015",
    "react",
    "stage-0"
  ],
  "plugins": [
    "add-module-exports",
    "transform-decorators-legacy",
    ["transform-runtime",
      {
        "helpers": false,
        "polyfill": false,
        "regenerator": true
      }
    ]
  ]
}