{
  "presets": [
    [ "@babel/preset-env",
    {
      "targets": {
        "edge": "17",
        "firefox": "60",
        "chrome": "67",
        "safari": "11.1"
      },
      "useBuiltIns": "usage",
      "corejs": 3
    }
    ]
  ],
  "sourceType": "unambiguous"
}