fix(optimizer): support new Worker and new URL(..., import.meta.url) for pre-bundled dependencies#17837
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hi-ogawa wants to merge 27 commits intovitejs:mainfrom
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fix(optimizer): support new Worker and new URL(..., import.meta.url) for pre-bundled dependencies#17837hi-ogawa wants to merge 27 commits intovitejs:mainfrom
new Worker and new URL(..., import.meta.url) for pre-bundled dependencies#17837hi-ogawa wants to merge 27 commits intovitejs:mainfrom
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hi-ogawa
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Aug 9, 2024
| const subUrl = new URL('./sub.js', import.meta.url) | ||
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| export default () => import(subUrl) | ||
| export default () => import(/* @vite-ignore */ String('./sub.js')) |
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This case is now compatible, so I made it more "incompatible" for the tests added in #16080
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new Worker and new URL(..., import.meta.url) for pre-bundled dependenciesnew Worker and new URL(..., import.meta.url) for pre-bundled dependencies
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Closing this as stale. |
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Description
related #16418, #8427, #11672
I'm exploring
new URLandnew Workersupport for pre-bundled dependencies as a user land vite plugin (and mostly as a standalone esbuild plugin) in https://github.com/hi-ogawa/vite-plugins/tree/main/packages/pre-bundle-new-url. From what I tested on various examples, this seems to cover well known scenarios, so I'm starting with this draft PR to discuss whether this could be moved to core.The approach is based on 3rd one suggested in #16418 (comment). This intercept
onLoadhooks for all js files, so performance impact is one concern (there are other concerns too and I wrote them as TODO in the code).Some examples I tested are:
optimizeDeps.excludefor devthree-gpu-pathtraceris currently broken for vite build due to Build fails on self reference workernew Worker(new URL(..., import.meta.url))in dependency #17843I think the main question to ask first is whether we need to rash into supporting this on top of current esbuild. Maybe would it be better to suggest and test user land workaround (either simply
optimizeDeps.exclude, which users already see as a warning message, or my plugin) and wait for a bundler level support by esbuild or rolldown?Also regardless of whether waiting for esbuild or rolldown, it's probably important to guide their implementation so that it'll be directly usable for Vite. I made a bundler comparison table in https://github.com/hi-ogawa/reproductions/tree/main/webpack-new-url-worker-bundle-or-copy and it seems esbuild's future implementation (though it could be stale PR) might not match well with what Vite needs. If anyone has suggestions for what we can do right now, I'm curious to hear.