withastro / astro · Issue No. 17268

astro/check thinks typescript is not installed when using TypeScript 7

Openby robertbakeropened Jul 2, 2026updated Jul 27, 202613 comments

ecosystem: upstreampkg: astro- P4: importantpkg: language-toolstriage: unable to fix

Description

Astro Info

Astro                    v7.0.5
Node                     v24.18.0
System                   Windows (x64)
Package Manager          bun
Output                   static
Adapter                  none
Integrations             fix-mdx-astro7
                         @astrojs/mdx
                         astro-icon

If this issue only occurs in one browser, which browser is a problem?

No response

Describe the Bug

Need to be compatible with TS 7. Currently it think ts is not installed and prompts to install it. Run npm run check or astro check to see the problem.

What's the expected result?

It works and doesn't prompt to install typescript

Link to Minimal Reproducible Example

https://stackblitz.com/edit/withastro-astro-eatjhone?file=package.json

Participation

I am willing to submit a pull request for this issue.

Relay Analysis

View on GitHub

Relay reads this issue against the repository's contribution signals: the files it is likely to touch, how the maintainers triage work this size, and what the first contribution would exercise.

The full analysis for this issue is still being assembled. Until then, the description above and the thread on GitHub are the most reliable context.