.babelrc

{
  "env": {
    "commonjs": {
      "presets": [
        [
          "@babel/preset-env",
          {
            "modules": "commonjs",
            "targets": {
              "browsers": ["last 2 versions"]
            }
          }
        ]
      ],
      "plugins": [
        "babel-plugin-transform-react-remove-prop-types",
        [
          "babel-plugin-css-modules-transform",
          {
            "generateScopedName": "[name].[local]",
            "prepend": [ "./postcss.config.js" ],
            "extractCss": {
              "dir": "./dist/",
              "relativeRoot": "./src/",
              "filename": "[path]/[name].css"
            }
          }
        ]
      ]
    },
    "module": {
      "plugins": [
        "babel-plugin-transform-react-remove-prop-types",
        [
          "babel-plugin-css-modules-transform",
          {
            "generateScopedName": "[name].[local]",
            "prepend": [ "./postcss.config.js" ],
            "keepImport": true,
            "extractCss": {
              "dir": "./es/",
              "relativeRoot": "./src/",
              "filename": "[path]/[name].css"
            }
          }
        ]
      ]
    }
  },
  "plugins": [
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-proposal-object-rest-spread",
    "@babel/plugin-transform-runtime",
    [
      "babel-plugin-transform-define", {
        "__TEST__": false
      }
    ]
  ],
  "presets": [
    [
      "@babel/preset-env",
      {
        "modules": false,
        "targets": {
          "browsers": ["last 2 versions"]
        }
      }
    ],
    "@babel/preset-react"
  ]
}