{
  "presets": [
    [
      "@babel/preset-env",
      {
        "corejs": 2,
        "useBuiltIns": "usage",
        "shippedProposals": true,
        "targets": {
          "browsers": [
            "last 2 Chrome versions",
            "last 2 Edge versions",
            "last 2 Firefox versions",
            "last 2 Safari versions"
          ]
        }
      }
    ]
  ]
}