cabana/.babelrc

{
  "presets": [
    "react-app",
    [
      "env",
      {
        "targets": {
          "browsers": ["last 2 versions", "safari >= 7"]
        },
        "useBuiltIns": "usage"
      }
    ],
    "stage-0"
  ],
  "plugins": ["emotion"],
  "env": {
    "test": {
      "presets": [
        [
          "env",
          {
            "modules": false
          }
        ],
        "stage-0"
      ]
    }
  }
}