astro/check thinks typescript is not installed when using TypeScript 7
Author: robertbakerCreated Jul 2, 2026Updated Sep 15, 2026
Labelsecosystem: upstreampkg: astro- P4: importantpkg: language-toolstriage: unable to fix
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.
Source: withastro/astro