./node_modules/.bin/babel  -d src/lib/ src/utils/

export NODE_ENV=development && 

npm i -D @babel/cli @babel/plugin-proposal-class-properties @babel/preset-env

 "devDependencies": {
    "@babel/cli": "^7.2.3",
    "@babel/plugin-proposal-class-properties": "^7.2.3",
    "@babel/preset-env": "^7.2.3"
  },


 "babel": {
    "presets": [
      "@babel/env",
      "@babel/preset-react"
    ],
    "plugins": [
      [
        "import",
        {
          "libraryName": "antd",
          "libraryDirectory": "es",
          "style": "css"
        }
      ],
      "@babel/plugin-proposal-class-properties",
      "@babel/plugin-transform-runtime"
    ]
  }


  Attempted import error: '@/lib/egFetch' does not contain a default export (imported as 'egFetch').