Vitest syntaxerror unexpected token export. Vitest is 10x faster with native ESM support. Vite 's config, transformers, resolvers, and plugins. You can learn more about the rationale behind the project in the Why Vitest section. Next generation testing framework powered by Vite. 16, last published: 7 hours ago. Vitest (pronounced as "veetest") is a next generation testing framework powered by Vite. To configure vitest itself, add test property in your Vite config. By building on top of Vite, Vitest natively understands your Vite config and is able to reuse the same resolve and transform pipelines. You can try Vitest online on StackBlitz. Testing is about building confidence in your code, documenting expected behaviour, and enabling safe refactoring. 5 days ago · Use Claude or GitHub Copilot to automatically convert Jest tests to Vitest with zero manual config changes. Here's the migration path, gotchas, and performance data from a 50k test suite. Start using vitest in your project by running `npm i vitest`. Tinyspy built-in for mocking, stubbing, and spies. Use the same setup from your app! Smart & instant watch mode, like HMR for tests! Native code coverage via v8 or istanbul. Learn how to implement separate configurations for local remote debugging (port 9333) and pipeline headless execution. 6 days ago · Configure Angular's Vitest runner for distinct environments. . Feb 25, 2025 · Learn how to use Vitest, a fast JavaScript testing framework. This guide covers project setup, writing tests, filtering, mocking, hooks, code coverage, and the Vitest UI. You'll also need to add a reference to Vitest types using a triple slash command at the top of your config file, if you are importing defineConfig from vite itself. 1 day ago · Jest is showing its age. There are 1357 other projects in the npm registry using vitest. Latest version: 4. 0. Feb 11, 2026 · Vitest provides a powerful and efficient way to test React applications, especially when combined with modern tools like Vite. Vitest was created to make testing just work for Vite apps. Thanks to: @lukeed for the work on uvu where we are inspired a lot from. Vitest was created to make testing just work for Vite apps. ucrl, 4a0hh, e5lq, 2mhvy, o3fjnj, 99qga, j57d, cljcp, 9qhy, af9yi,