关于报错Support for the experimental

报错原因

装饰器写法不被支持

解决办法

bable转码

1. npm install @babel/plugin-proposal-decorators
2. 配置package.json

  "babel": {
    "plugins": [
      [
        "@babel/plugin-proposal-decorators",
        {
          "legacy": true
        }
      ]
    ],
    "presets": [
      "react-app"
    ]
  },