vitest-dev/vitest

Next generation testing framework powered by Vite.

Developer toolsTypeScript#vite#test#testing-tools

2.3 Steady Magnitude out of 10. Star growth looks organic. Data as of September 18, 2026.

About the project

A testing framework powered by Vite: reuses Vite's config, transformers and plugins, and supports Jest-compatible APIs, snapshots, mocks, coverage and browser tests.

Useful for

Run unit tests for Vue, React or Svelte components in watch mode
Check code coverage via v8 or istanbul without extra setup
Run component tests in a real browser using Browser Mode

README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.

Why it’s trending

5 stars so far today, about 6 expected by the end of the day.
About 6 forks a day — people are taking the code.
Recent forks include notable developers: @00200200 (1,464 followers), @0xflotus (490 followers), @unrevised6419 (262 followers).

Stars per day

Bars are daily stars, the line is the usual pace. Red marks spike days.

Numbers

Total stars: 17,124
Stars in a day: 6
Forks: 2,008
Issues and pull requests: 9,894
Watchers: 64
Language: TypeScript
License: MIT
Latest release: v5.0.1 · September 15, 2026
Created: December 3, 2021
Last push: September 18, 2026

Star trust

Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.

These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.

Spotted in

September 18, 2026GitHub Trending TypeScript today: #11, +37 stars
September 17, 2026GitHub Trending TypeScript today: #11, +9 stars

README badge

Paste it into your README — the badge shows the current magnitude and links to this page.

[![Seismograph](https://gitnova.dev/badge/vitest-dev/vitest.svg?lang=en)](https://gitnova.dev/en/r/vitest-dev/vitest)

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