Source: https://seerepo.com/r/vitest-dev/vitest
Markdown source: https://seerepo.com/r/vitest-dev/vitest.md
Description: vitest-dev/vitest is a TypeScript repo with 233,543 lines written. vitest is built with Vite, Vue, and vue-router.

# What's inside vitest-dev/vitest

vitest-dev/vitest is a TypeScript repo with 233,543 lines written. vitest is built with Vite, Vue, and vue-router. AI signed 3.2% of the 6,421 commits of vitest.

Its description on GitHub: “Next generation testing framework powered by Vite.”

TypeScript · MIT · 17,341 stars · GitHub: https://github.com/vitest-dev/vitest

Read on November 7, 2026, at commit f21f224.

## More on this repo

- [What is vitest built with?](https://seerepo.com/r/vitest-dev/vitest/built): vitest is built with Vite, Vue, and vue-router.
- [How much of vitest did AI write?](https://seerepo.com/r/vitest-dev/vitest/ai): AI signed 3.2% of the 6,421 commits of vitest.

## In figures

- 233,543 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 594 files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 1,662 test files: The files that test the code.
- 13 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is vitest-dev/vitest?

vitest-dev/vitest is a TypeScript repo with 233,543 lines written. Its description on GitHub: “Next generation testing framework powered by Vite.”

The proof: [its page on GitHub](https://github.com/vitest-dev/vitest)

### What is vitest built with?

vitest is built with Vite, Vue, and vue-router.

The proof: [each service with its file and line](https://seerepo.com/r/vitest-dev/vitest/built)

### How much of vitest did AI write?

AI signed 3.2% of the 6,421 commits of vitest.

The proof: [the commits each tool signed](https://seerepo.com/r/vitest-dev/vitest/ai)

### What license does vitest have?

vitest is released under the MIT license.

The proof: [its page on GitHub](https://github.com/vitest-dev/vitest)

### How many stars does vitest have on GitHub?

vitest had 17,341 stars on GitHub on November 7, 2026.

The proof: [its page on GitHub](https://github.com/vitest-dev/vitest)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![vitest-dev/vitest on SeeRepo](https://seerepo.com/badge/vitest-dev/vitest.svg)](https://seerepo.com/r/vitest-dev/vitest?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.