MDX / Multiline Codeblock without lang defined (react-server / docs)

[aheissenberger]

Describe the bug

multiline markdown code block with no language definition (e.g. sh):

```
>  JS project detected. This will...
   - use the JS template
   - create an sst.config.ts

? Continue:
```

renders as this:

Reproduction

No response

Steps to reproduce

No response

System Info

System:
    OS: macOS 15.2
    CPU: (12) arm64 Apple M4 Pro
    Memory: 4.65 GB / 48.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 23.4.0 - /opt/homebrew/bin/node
    Yarn: 1.22.22 - /opt/homebrew/bin/yarn
    npm: 10.9.2 - /opt/homebrew/bin/npm
    pnpm: 9.15.0 - /opt/homebrew/bin/pnpm
    bun: 1.1.40 - /opt/homebrew/bin/bun
  Browsers:
    Chrome: 131.0.6778.141
    Safari: 18.2
    Safari Technology Preview: 18.2
  npmPackages:
    @lazarv/react-server: link:packages/react-server => 0.0.0

Used Package Manager

pnpm

Logs

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion.
• The provided reproduction is a minimal reproducible example of the bug.

[lazarv]

Enabled auto-detect in the Rehype Highlight.js plugin to make a code block without a specified language always at least a text or Markdown code block.

[github-actions]

This issue has been locked since it has been closed for more than 30 days.

If you have found a concrete bug or regression related to it, please open a new bug report with a reproduction against the latest version of @lazarv/react-server. If you have any other comments you should create a new discussion.