vitest

JavaScript/TypeScript unit testing with Vitest — fast Vite-native test runner with Jest-compatible API. Use when writing or running tests in a Vite-based project (React, Vue, Svelte, vanilla TS/JS), migrating from Jest, benchmarking code, testing browser APIs with jsdom/happy-dom, or needing in-source testing. Native ES modules, TypeScript, and JSX support …

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