.babelrc

{
  "presets": [
    "react",
    "es2015",
    "stage-0"
  ],
  "plugins": [
    "babel-plugin-transform-decorators-legacy",
    [
      "import",
      {
        "style":"css",
        "libraryName": "antd-mobile"
      }
    ],
    [
      "module-alias",
      [
        {
          "src": "./app",
          "expose": "app"
        },
        {
          "src": "./app/actions",
          "expose": "actions"
        },
        {
          "src": "./app/utils",
          "expose": "utils"
        },
        {
          "src": "./app/components",
          "expose": "components"
        },
        {
          "src": "./assets",
          "expose": "assets"
        }
      ]
    ]
  ],
  "env": {
    // only enable it when process.env.NODE_ENV is 'development' or undefined
    "development": {
      "plugins": [
        "react-hot-loader/babel",
        [
          "transform-runtime",
          {
            "helpers": false,
            "polyfill": false,
            "regenerator": true,
            "moduleName": "babel-runtime"
          }
        ]
      ]
    }
  }
}