Initial checklist

• I read the support docs
• I read the contributing guide
• I agree to follow the code of conduct
• I searched issues and discussions and couldn’t find anything (or linked relevant results below)

Affected package

hast-util-to-jsx-runtime@2.3.2

Steps to reproduce

1. Configure @typescript-eslint/no-unsafe-return rule in some Node.js or Next.js project (eg. Next.js App Router project)
2. Add Shiki example code for hast-util-to-jsx-runtime in components/CodeBlock.tsx
3. 💥 Observe "Unsafe return of a value of type error" error with return value

Reproduction (typescript-eslint Playground)

Unsafe return of a value of type error. 12:3 - 20:6

Screenshot 2024年12月06日 at 15 11 13

Using a as JSX.element type assertion on the return value of toJsxRuntime() is a workaround for the issue:

Screenshot 2024年12月06日 at 15 11 26

Actual behavior

Error with a "type error". The type error is not observable.

Expected behavior

No error

Runtime

node@22.11.0

Package manager

yarn@1.22.22

Operating system

macOS Sequoia 15.1.1

Build and bundle tools

other (please specify in steps to reproduce)