参考文章: 1. webpack4升级完全指南 https://segmentfault.com/a/1190000014247030 2. Mobx useStrict is not a function https://blog.csdn.net/greekmrzzj/article/details/79861787 3. babel-preset-env:你需要的唯一Babel插件 https://segmentfault.com/p/1210000008466178 升级步骤: 1. …