Vitest
Vite-native unit testing — Jest-compatible API, dramatically faster.
Open source · MITFree#unit-testing#vite#typescript#javascript
What is Vitest?
Vitest is a unit-test framework built on Vite: instant watch mode via HMR-style module graphs, native ESM and TypeScript support, and a largely Jest-compatible API that makes migration easy. It has become the default test runner for the modern JS/TS ecosystem.
User reviews
User reviews are coming soon. We’re building a moderated review system so real-world experience — good and bad — can live alongside our editorial take. In the meantime, you can share feedback or flag corrections on GitHub.