当我们升级 package.json 包后，容易出现下面的错误：

npm WARN babel-eslint@10.1.0 requires a peer of eslint@>= 4.12.1 but none is installed. You must install peer dependencies yourself.
npm WARN eslint-config-react-app@5.2.1 requires a peer of @typescript-eslint/eslint-plugin@2.x but none is installed. You must install peer dependencies yourself.
npm WARN eslint-config-react-app@5.2.1 requires a peer of @typescript-eslint/parser@2.x but none is installed. You must install peer dependencies yourself.
npm WARN eslint-config-react-app@5.2.1 requires a peer of eslint@6.x but none is installed. You must install peer dependencies yourself.
npm WARN eslint-config-react-app@5.2.1 requires a peer of eslint-plugin-react@7.x but none is installed. You must install peer dependencies yourself.
npm WARN eslint-loader@3.0.3 requires a peer of eslint@^5.0.0 || ^6.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN eslint-plugin-flowtype@4.6.0 requires a peer of eslint@>=6.1.0 but none is installed. You must install peer dependencies yourself.
npm WARN eslint-plugin-import@2.20.1 requires a peer of eslint@2.x - 6.x but none is installed. You must install peer dependencies yourself.
npm WARN eslint-plugin-jsx-a11y@6.2.3 requires a peer of eslint@^3 || ^4 || ^5 || ^6 but none is installed. You must install peer dependencies yourself.
npm WARN eslint-plugin-react-hooks@1.7.0 requires a peer of eslint@^3.0.0 || ^4.0.0 || ^5.0.0 || ^6.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN rc-picker@1.10.7 requires a peer of dayjs@^1.8.18 but none is installed. You must install peer dependencies yourself.

audited 2211 packages in 7.724s

69 packages are looking for funding
  run `npm fund` for details

found 4992 low severity vulnerabilities
  run `npm audit fix` to fix them, or `npm audit` for details

问题分析

package-lock.json 中锁定的包版本和新的包依赖的版本有冲突，所以 npm 不知道如何处理这些冲突。

解决办法

rm package-lock.json && rm -rf node_modules/ && npm install

注意⚠️

任何版本升级都可能产生新的问题，建议充分测试后才能上线运行