Clear and concise description of the problem

Provide coverage support for Astro files. Astro files comprise a "frontmatter" section, which is simply TS, and a template section which is TSX.

https://docs.astro.build/en/guides/testing/

Suggested solution

Provide seemless support for Astro files

Alternative

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.