.babelrc

{
  "env": {
    "development": {
      "presets": [
        "@babel/preset-env",
        "@babel/preset-react"
      ],
      "plugins": [
        [
          "@babel/plugin-transform-runtime",
          {
            "corejs": false,
            "helpers": true,
            "regenerator": true,
            "useESModules": false
          }
        ],
        "@babel/plugin-proposal-class-properties",
        "@babel/plugin-syntax-dynamic-import"
      ]
    },
    "test": {
      "presets": [
        "@babel/preset-env",
        "@babel/preset-react"
      ]
    },
    "production": {
      "presets": [
        "@babel/preset-env",
        "@babel/preset-react"
      ],
      "plugins": [
        "lodash", [
          "transform-react-remove-prop-types",
          {
            "mode": "remove",
            "ignoreFilenames": ["node_modules"]
          }
        ],
        [
          "@babel/plugin-transform-runtime",
          {
            "corejs": false,
            "helpers": true,
            "regenerator": true,
            "useESModules": false
          }
        ],
        "@babel/plugin-proposal-class-properties",
        "@babel/plugin-syntax-dynamic-import"
      ],
      "ignore": ["**/*.test.js"]
    }
  }
}