vitest-dev / vitest
Next generation testing framework powered by Vite.
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Repository Overview (README excerpt)
Crawler viewVitest Next generation testing framework powered by Vite. Get involved! Documentation | Getting Started | Examples | Why Vitest? 中文文档 Features • Vite's config, transformers, resolvers, and plugins. Use the same setup from your app! • Jest Snapshot • Chai built-in for assertions, with Jest expect compatible APIs • Smart & instant watch mode, like HMR for tests! • Native code coverage via or . • Tinyspy built-in for mocking, stubbing, and spies. • JSDOM and happy-dom for DOM and browser API mocking • Browser Mode for running component tests in the browser • Components testing (Vue, React, Svelte, Lit, Marko) • Benchmarking support with Tinybench • Projects support • expect-type for type-level testing • ESM first, top level await • Out-of-box TypeScript / JSX support • Filtering, timeouts, concurrent for suite and tests • Sharding support • Reporting Uncaught Errors • Run your tests in the browser natively > Vitest requires Vite >=v6.0.0 and Node >=v20.0.0 Sponsors Vladimir Sponsors Anthony Fu Sponsors Patak Sponsors Credits Thanks to: • The Jest team and community for creating a delightful testing API • @lukeed for the work on uvu where we are inspired a lot from. • @pi0 for the idea and implementation of using Vite to transform and bundle the server code. • The Vite team for brainstorming the initial idea. • @patak-dev for the awesome package name! Contribution See Contributing Guide. License MIT License © 2021-Present VoidZero Inc. and Vitest contributors