vitest-devvitest
Next generation testing framework powered by Vite.
TL;DR · 30-second scan
vitest (TypeScript) — Next generation testing framework powered by Vite.
You are starting a new project on Vite or modernizing from Jest.
Testing
Vite-native unit test runner. ~13k stars. Faster than Jest, compatible API. Default for new Vite-based projects in 2026.
You are starting a new project on Vite or modernizing from Jest.
You are deep in a Jest codebase and migration cost is high — Jest still works.
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