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A comment on Rolldown: Rollup compatible bundler written in Rust. Parent comment

Re:Rolldown: Rollup compatible bundler written in Rust by WorldMaker on Friday March 08, 2024 @11:26AM (#39642653)
> 1) esbuild isn’t good at splitting

I've found esbuild is pretty good at splitting when source formats and outputs are ESM. (Given the name esbuild a focus on/priority for ESM input/output makes sense to me.)

Is this maybe Vite team saying that they still have too many brownfield CJS dependencies and still don't believe in ESM output for production bundles in 2024?

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Re:Rolldown: Rollup compatible bundler written in Rust by rk06 on Saturday March 09, 2024 @04:07AM (#39650467)
Even if their dependencies were esm only, Vote may be used in projects which have cjs dependencies. Hence need to support it
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Re:Rolldown: Rollup compatible bundler written in Rust by WorldMaker on Saturday March 09, 2024 @11:15PM (#39656671)
esbuild handles CJS dependencies just fine and had been what Vite was using in development for a long time anyway. It doesn't split CJS dependencies or tree-shake them as automatically/smartly as it could, but it still supports splitting them and there are manual workarounds.

I think the bigger problem, from my experience here, is still the question of not moving to ESM as the default production output. That seems out of date.

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