yarn启动项目时提示please add a browserslist key to your package.json

Question

package.json中默认react-create-app的eject后的配置，系统是win7

  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  },

提示

Answer 1

后来发现应该是browserslist版本的问题，运行一下yarn upgrade就好了