tee-mo-core/.babelrc

{
  "presets":["es2015"],
  "plugins": [
    "transform-object-rest-spread",
    [
      "transform-runtime",
      {
        "helpers": false,
        "polyfill": false,
        "regenerator": true,
        "moduleName": "babel-runtime"
      }
    ]
  ]
}