Cannot read property 'pop' of undefined

umi 编译后遇到如下错误

✖ Webpack
  Compiled with some errors in 169.06ms
 ERROR  Failed to compile with 1 errors                                                 上午9:28:57
 error  in umi.chunk.css
Cannot read property 'pop' of undefined

解决方案：

删除 splitChunks umi 相关的提取项配置

参考：https://github.com/webpack-contrib/mini-css-extract-plugin/issues/341#issuecomment-675603278