{
  "presets": [
    [
      "@babel/env",
      {
        "targets": {
          "edge": "17",
          "firefox": "60",
          "chrome": "67",
          "safari": "11.1"
        }
      }
    ]
  ],
  "plugins": [
    "@babel/plugin-transform-arrow-functions",
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-transform-classes"
  ]
}