{
  "presets": [
    "@babel/preset-env",
    "@babel/preset-typescript"
  ],
  "plugins": [
    "@babel/proposal-class-properties",
    "@babel/proposal-object-rest-spread"
  ],
  "env": {
    "test": {
      "plugins": [
        "@babel/proposal-class-properties",
        "@babel/proposal-object-rest-spread",
        "istanbul"
      ]
    }
  }
}