vitest▌

Vite-powered unit testing framework with Jest-compatible API and native ESM support. \n \n Shares Vite's config, transformers, and plugins; supports TypeScript, JSX, and ESM without extra setup \n Smart watch mode reruns only affected tests based on module graph; multi-threaded workers enable parallel execution \n Comprehensive testing utilities: test/describe/expect API, mocking (functions, modules, timers), snapshots, and fixtures \n Built-in code coverage via V8 or Istanbul; test filtering by