babel shared configuration.

.babelrc

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "modules": false,
        "loose": true
      }
    ],
    "@babel/preset-react"
  ],
  "plugins": [
    "@babel/plugin-proposal-class-properties",
    "@babel/plugin-transform-regenerator",
    "@babel/plugin-syntax-dynamic-import",
    "@babel/plugin-syntax-import-meta",
    "@babel/plugin-proposal-json-strings",
    [
      "import",
      {
        "libraryName": "antd",
        "libraryDirectory": "es",
        "style": "css"
      }
    ]
  ],
  "env": {
    "development": {
      "plugins": [
        "react-hot-loader/babel"
      ]
    },
    "production": {
      "plugins": [
        "@coco-platform/babel-plugin-import-css-module",
        [
          "@babel/plugin-transform-runtime",
          {
            "helpers": true,
            "corejs": 3
          }
        ]
      ]
    },
    "test": {
      "plugins": [
        "@babel/plugin-transform-modules-commonjs"
      ]
    }
  }
}