Vite build tool configuration, plugin API, SSR, and Vite 8 Rolldown migration. Use when working with Vite projects, vite.config.ts, Vite plugins, or building libraries/SSR apps with Vite.

Vite Based on Vite 8 beta (Rolldown powered). Vite 8 uses Rolldown bundler and Oxc transformer. Vite is a next generation frontend build tool with fast dev server (native ESM + HMR) and optimized production builds. Preferences Use TypeScript: prefer vite.config.ts Always use ESM, avoid CommonJS Core Topic Description Reference Configuration vite.config.ts , defineConfig , conditional configs, loadEnv [core config](references/core config.md) Features import.meta.glob , asset queries ( ?raw , ?url ), import.meta.env , HMR API [core features](references/core features.md) Plugin API Vite specific hooks, virtual modules, plugin ordering [core plugin api](references/core plugin api.md) Build & SSR Topic Description Reference Build & SSR Library mode, SSR middleware mode, ssrLoadModule , JavaScript API [build and ssr](references/build and ssr.md) Advanced Topic Description Reference Environment API Vite 6+ multi environment support, custom runtimes [environment api](references/environment api.md) Rolldown Migration Vite 8 changes: Rolldown bundler, Oxc transformer, config migration [rolldown migration](references/rolldown migration.md) Quick Reference CLI Commands Common Config Official Plugins @vitejs/plugin vue Vue 3 SFC support @vitejs/plugin vue jsx Vue 3 JSX @vitejs/plugin react React with Oxc/Babel @vitejs/plugin react swc React with SWC @vitejs/plugin legacy Legacy browser support Cross Skill References Testing → Use vitest skill (Vite native testing) Vue projects → Use vue skill for component patterns Library bundling → Use tsdown skill for TypeScript libs