[React] --- react in the decorator

A, creact-react-app the decorator

 

• Run npm run eject allows configuration items created by the create-react-app items exposed

• At this point, the project more than a config file, and each profile has been exposed. (Before you run npm run eject, to ensure that no local files to be submitted to git)

• Babel plug-in installationnpm install --save-dev @babel/plugin-proposal-decorators

• Babel modify configuration file entries package.json

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