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@kwai-explore/vite-plugin-chunk

v0.0.1

Published

## Why

Downloads

5

Readme

@pex/vite-plugin-chunk

Why

Vite 默认的打包行为会产出大量小体积的 JS 文件,影响页面加载速度;这个插件可以减少 JS 文件数量

How

目前提供了两种模式/策略

  1. 如果你的应用有一个主要的页面入口,比如大多数人都是从这个页面入口进入你的应用,它的流量占整个应用的 80% 以上,可以优先考虑使用 single-main 策略

使用时需要指定你的主页面模块路径,比如:

        chunk('single-main', { mainModule: 'src/views/home/Home.vue' }),

这个策略具体的行为是把被主页面引用的模块都打包进一个叫做 main 的 chunk,它的副作用是其他页面加载时也会被迫加载 main chunk,其中大部分代码可能是无用的;但是由于主页面占流量的大多数,且其他页面很可能是从主页面跳转过去的,所以对整体加载速度的影响依然大概率是正向的,业务项目中的实验结果验证了这个结论

  1. 其他情况(比如不符合 single-main 的条件或者发现 single-main 策略的产物有问题)可以默认选择loose-common策略

这个策略具体的行为是对于任何被至少 2 个 entrypoint 引用的模块都会被打包进一个叫做 common 的 chunk