.babelrc.json

{
  "plugins": [
    "add-module-exports"
  ],
  "presets": [
    [
      "@babel/preset-env",
      {
        "targets": {
          "node": 16
        }
      }
    ]
  ],
  "env": {
    "test": {
      "plugins": [ "istanbul" ]
    }
  }
}