.babelrc

{
  "env": {
    "test": {
      "presets": [
        ["env", { "loose": true, "targets": { "node": 6 } }],
        "react"
      ],
      "plugins": [
        "transform-object-rest-spread",
        ["emotion", { "autoLabel": true }]
      ]
    },
    "lib": {
      "presets": [["env", { "targets": { "node": 6 } }], "react"],
      "plugins": ["transform-object-rest-spread"]
    },
    "rollup": {
      "presets": [
        [
          "env",
          {
            "loose": true,
            "modules": false,
            "targets": { "node": 6, "browsers": ["last 2 versions", "ie 11"] }
          }
        ],
        "react"
      ],
      "plugins": [
        "external-helpers",
        "transform-object-rest-spread",
        ["emotion", { "autoLabel": true }]
      ]
    }
  }
}