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Faster package manager

Faster startup

Typescript support out of the box

Better stdlib than node

Stdlib includes yaml, sqlite etc so you need to pull in fewer deps, so you can avoid the left-pad/is-even node_modules explosion problem to a greater extent

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Can't comment on others, but new Node.js also has typescript out of the box and works pretty well.
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I don’t think you would use Bun for front end.
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That's what Claude Code does at least
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I mean, Astro on Bun?
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So much of JS dev is just saying no to random new stuff, Bun included
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i assume it's because of all the built in tooling that node doesn't ship with.
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