worker_app/.babelrc

{
  "presets": [
    [
      "env",
      {
        "modules": false
      }
    ],
    "stage-2"
  ],
  "plugins": [
        "transform-runtime",
        "transform-object-assign",
    //    "transform-vue-jsx",
    [
      "import",
      {
        "libraryName": "muse-ui",
        "libraryDirectory": "lib",
        "camel2DashComponentName": false
      }
    ]
  ]
}