.babelrc

{
  "assumptions": {
    "constantSuper": true,
    "constantReexports": true,
    "enumerableModuleMeta": true,
    "ignoreFunctionLength": true,
    "ignoreToPrimitiveHint": true,
    "noClassCalls": true,
    "noDocumentAll": true,
    "noNewArrows": false,
    "privateFieldsAsProperties": true,
    "pureGetters": true,
    "setClassMethods": false,
    "setComputedProperties": true,
    "setPublicClassFields": true,
    "setSpreadProperties": true
  },
  "presets": ["@babel/preset-env", "@babel/preset-react"],
  "plugins": [],
  "env": {
    "development": {
      "plugins": [
        ["@babel/plugin-proposal-class-properties"],
        // ["@babel/plugin-proposal-object-rest-spread", false],
        ["@babel/plugin-syntax-dynamic-import"]
      ]
    },
    "production": {
      "plugins": [
        ["@babel/plugin-proposal-class-properties"],
        // ["@babel/plugin-proposal-object-rest-spread", false],
        ["@babel/plugin-syntax-dynamic-import"]
      ]
    }
  }
}