Environment

Node v20.15.0

Reproduction

https://github.com/offizium-berndstorath/nitro-repro
https://stackblitz.com/~/github.com/offizium-berndstorath/nitro-repro?file=server/utils/test.ts

Describe the bug

If you return a Date from a api route the type doesn't get converted to string. But only if its inside an array

Additional context

nuxt/nuxt#28674

Logs

No response