babel.config.json

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "targets": {
          "node": 12,
          "browsers": [
            "last 2 chrome versions",
            "last 2 firefox versions",
            "last 2 safari versions",
            "last 2 edge versions"
          ]
        }
      }
    ],
    "@babel/preset-typescript",
    ["@babel/preset-react", { "runtime": "automatic" }]
  ],
  "plugins": [
    "@babel/plugin-transform-runtime",
    ["@babel/plugin-transform-private-property-in-object", { "loose": true }]
  ],
  "overrides": [
    {
      "test": ["packages/keystatic/src/**/*", "design-system/pkg/src/**/*"],
      "exclude": ["packages/keystatic/src/form/fields/document/**/*"],
      "plugins": [
        [
          "babel-plugin-react-compiler",
          { "runtimeModule": "#react-compiler-runtime" }
        ]
      ]
    }
  ]
}