Youkuohao-runtime NPM | npm.io

0.60.0 • Published 3 years ago

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3 years ago

Wroker Runtime

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Q&A

为什么生成单独的polyfill文件?

polyfill依赖了一些无法bundle的依赖包，这些依赖包要跟着cli安装。当cli安装在全局目录时，在工作目录下运行dev依赖到polyfill，便会无法加载到依赖包（除非工作目录也安装了），所以runtime先执行，再依赖polyfill（获取到全局目录下的路径），此时polyfill便可以依赖到依赖包。

如果polyfill实现零依赖打包，就不需要被抽离出去。

CLI会编译项目代码并让runtime去执行，执行的时候需要注册一些polyfill。受限于node.js模块加载机制，polyfill注册的时候，依赖到的package需要安装到项目所在路径。为了避免这个问题，不直接在runtime里注册polyfill，而是先获取CLI下的polyfill文件路径，再require。这样polyfill依赖的package就会从CLI路径下加载。

开源

如果开源的话，可以把polyfill/youkuohao分离出来，放到extension的injectScript里。

实际上fetchEvent也应该放到injectScript里。

http-errors jsdom mongodb node-fetch fetch-blob uuid

@everything-registry/sub-chunk-3209 youkuohao-cli

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