.babelrc

{
  "presets": [
    [
      "@babel/preset-env",
      {
        "corejs": "2",
        "useBuiltIns": "entry",
        "targets": ["> 5%", "ie 9"],
        "modules": "commonjs"
      }
    ],
    "@babel/preset-react"
  ],
  "plugins": [
    [
      "@babel/plugin-transform-runtime",
      {
        "corejs": {
          "version": 3,
          "proposals": true
        }
      }
    ],
    "@babel/plugin-transform-modules-commonjs",
    "@babel/plugin-syntax-dynamic-import",
    [
      "@babel/plugin-proposal-decorators",
      {
        // "decoratorsBeforeExport": true,
        "legacy": true
      }
    ],
    ["@babel/plugin-proposal-private-methods",
      {
        "loose": true
      }
    ],
    [
      "@babel/plugin-proposal-class-properties",
      {
        "loose": true
      }
    ],
    [
      "import",
      {
        "libraryName": "antd",
        "libraryDirectory": "lib",
        "style": true
      },
      "antd"
    ],
    [
      "import",
      {
        "libraryName": "@ant-design/icons",
        "libraryDirectory": "es/icons",
        "camel2DashComponentName": false
      },
      "@ant-design/icons"
    ]
  ],
  "env": {
    "test": {
      "plugins": [
        [
          "istanbul",
          {
            "useInlineSourceMaps": false
          }
        ]
      ]
    }
  }
}