Nitro does not transpile libraries from external registry (JSR)

[arunanshub]

Environment

• Operating System: Linux
• Node Version: v22.12.0
• Nitro Version: 2.10.4
• Package Manager: pnpm@9.15.4

Reproduction

https://github.com/arunanshub/nuxt-jsr-bug-repro/tree/nitro

Describe the bug

For some reason Nitro does not transpile libraries from external registry such as JSR even though its build output is supposed to be standalone. I am trying to use @std/ulid from JSR but in runtime Nitro cannot find it.

Also see nuxt/nuxt#30737

Additional context

No response

Logs

[nitro] [request error] [unhandled] Cannot find package '@std/ulid' imported from /app/server/chunks/routes/api/ulid.get.mjs