Vitest
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A blazing fast unit test framework
Vitest is a next-generation testing framework designed for speed and developer experience. Built on top of Vite, it leverages the same configuration and transforms, offering near-instant watch mode and HMR for tests. Vitest provides native ESM support, TypeScript integration, and Jest-compatible APIs, making migration easy. With features like multi-threading, code coverage, and snapshot testing, Vitest is a comprehensive solution that seamlessly integrates with modern JavaScript projects.