can not use $frontmatter with Local Search

[buqiyuan]

Describe the bug

docs: https://vitepress.dev/reference/runtime-api#frontmatter

Reproduction

https://stackblitz.com/edit/vite-gdgetp?file=docs%2Fexample.md

Expected behavior

Can search for titles rendered using frontmatter

System Info

System:
    OS: macOS 13.6
    CPU: (10) arm64 Apple M1 Max
    Memory: 191.91 MB / 32.00 GB
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 18.18.0 - /usr/local/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 9.5.1 - /opt/homebrew/bin/npm
    pnpm: 8.6.0 - ~/Library/pnpm/pnpm
  Browsers:
    Safari: 16.6

Additional context

No response

Validations

• Check if you're on the latest VitePress version.
• Follow our Code of Conduct
• Read the docs.
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.

[brc-dd]

That isn't supported. You can manually customize the renderer (#2770) if you have simple use cases, otherwise use some other search plugin.

[shellscape]

@brc-dd I think you might be a bit fast to close these issues before they've had a chance at discussion. A single reply and then a close isn't encouraging discussion - it's shutting discussion down. That's evidenced by @buqiyuan opening a PR to support his four days later. Some patience would be much appreciated 🙏