.babelrc

{
  "presets": [
    "@babel/preset-react",
    [
      "@babel/preset-env",
      {
        "forceAllTransforms": true,
        "modules": false
      }
    ]
  ],
  "plugins": [
    "react-hot-loader/babel",
    "lodash",
    "@babel/plugin-proposal-export-default-from",
    ["@babel/plugin-proposal-optional-chaining", { "loose": false }],
    ["@babel/plugin-proposal-nullish-coalescing-operator", { "loose": false }],
    "@babel/plugin-proposal-do-expressions",
    ["@babel/plugin-proposal-decorators", { "legacy": true }],
    "@babel/plugin-proposal-export-namespace-from",
    "@babel/plugin-proposal-numeric-separator",
    "@babel/plugin-proposal-throw-expressions",
    "@babel/plugin-syntax-dynamic-import",
    "@babel/plugin-syntax-import-meta",
    "@babel/plugin-proposal-class-properties"
  ],
  "env": {
    "production": {
      "plugins": [
        [
          "transform-react-remove-prop-types",
          {
            "removeImport": true,
            "additionalLibraries": ["react-immutable-proptypes"]
          }
        ]
      ]
    },
    "test": {
      "plugins": ["@babel/plugin-syntax-dynamic-import", "dynamic-import-node"],
      "presets": [
        "@babel/preset-react",
        [
          "@babel/preset-env",
          {
            "forceAllTransforms": true,
            "modules": "commonjs"
          }
        ]
      ]
    }
  }
}