{
  "presets": [
    ["es2015", {"modules": false}], "stage-0", "flow"
  ],
  "plugins": ["transform-object-rest-spread"],
  "env": {
    "test": {
      "presets": ["es2015", "stage-0", "flow"]
    },
    "rollup": {
      "presets": [["es2015", {"modules": false}], "stage-0", "flow"],
      "plugins": ["external-helpers"]
    }
  }
}