Vitest is a Vite-powered unit test runner, that shares the exact same pipeline and configurations with your app. It provides a Jest-compactible API layer with instant HMR for smart test reruns. We also experiment on innovative features like benchmarking, type-checking, web drivers etc. to improve the DX even further.

We are an independent organization with team members from all over the world. Sponsor us to keep our work sustainable and make Vitest keep getting better. Thank you!

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