.babelrc

{
  "presets": ["@babel/preset-env", "@babel/preset-react"],
  "plugins": [
    "dynamic-import-node",
    "syntax-dynamic-import",
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-proposal-nullish-coalescing-operator",
    "@babel/plugin-proposal-object-rest-spread",
    "@babel/plugin-proposal-optional-chaining",
    "@babel/plugin-transform-spread"
  ],
  "env": {
    "dist": {
      "presets": [
        [
          "@babel/preset-env",
          {
            "loose": true
          }
        ],
        "@babel/preset-react"
      ]
    },
    "dist-es": {
      "presets": [
        [
          "@babel/preset-env",
          {
            "modules": false,
            "targets": {
              "esmodules": true
            }
          }
        ],
        "@babel/preset-react"
      ]
    }
  }
}