alt Hacker NewsI think this is ultimately caused by a Bun bug which I reported, which means source maps are exposed in production: https://github.com/oven-sh/bun/issues/28001
Claude code uses (and Anthropic owns) Bun, so my guess is they're doing a production build, expecting it not to output source maps, but it is.
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It could be because of a Bun bug, but I don't think it's because of that one. It's a duplicate of a year-old issue, and it's specific to Bun.serve.
Were source maps needed? Reverse engineering got easy with GPT-4.2-Codex and Opus 4.6 - even from raw binaries https://quesma.com/blog/chromatron-recompiled/
My apologies, this isn't the cause. Bun build doesn't suffer from this bug.
I doubt it's this. This was an `npm` misconfiguration.
I don’t think that’s the reason, but using Bun for production this early is a bad idea. It’s still too buggy, and compromising stability for a 2–3% performance gain just isn’t worth it.
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It was not cause by this. https://github.com/oven-sh/bun/issues/28001#issuecomment-416...