动态导入组件，打包时，包变的超级大

[xuejiaomeng]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.6.4

Environment

vue 2.5.17 ,Chrome浏览器, mac

Reproduction link

https://webpack.js.org/api/module-methods/#import

Steps to reproduce

在添加路由前处理，
const componentPath ='/views/dashboard/Workplace'
data['component'] =()=>import(@${componentPath})
组件动态导入成功了，但是打包的时候由原来的3M变成了44M

What is expected?

打包后还是3M，在路由上能动态加载组件

What is actually happening?

组件动态导入成功了，但是打包的时候由原来的3M变成了44M

[sendya]

这跟组件库没什么关系，是 webpack 对 import 的处理原理导致的，
如果你有了解动态导入的实现原理。应当主动避免直接完全动态路径，而至少指定到特定层级。比如 @/views/${componentPath} 这样 webpack 就只会把 @/views 目录下的所有文件进行动态打包加载

[github-actions]

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