.babelrc

{
  "presets": [
    [
      "@babel/env",
      {
        "loose": true,
        "shippedProposals": true,
        "modules": "commonjs",
        "targets": {
          "ie": 9
        }
      }
    ],
    "@babel/react"
  ],
  "plugins": ["@babel/plugin-proposal-export-default-from", "@babel/plugin-proposal-export-namespace-from", "@babel/plugin-transform-runtime", "@babel/plugin-proposal-object-rest-spread"],
  "env": {
    "esm-dir": {
      "presets": [
        [
          "@babel/env",
          {
            "loose": true,
            "shippedProposals": true,
            "modules": false,
            "targets": {
              "ie": 9
            }
          }
        ],
        "@babel/react"
      ],
      "plugins": [["@babel/plugin-transform-runtime", { "useESModules": true }]]
    }
  }
}