"babel-loader": "^8.0.5"一直报错只好退级"babel-loader": "^7.1.5",

`babel-loader@8.x`是webpack用于`Babel 7.x`的一个整合loader模块需要"babel-core 7.0

但是安装过来一直是"babel-core 6X

之后退成babel-loader": "^7.1.5",

cnpm i babel-core babel-loader@7 babel-plugin-transform-runtime -D

用了淘宝镜像才成功