Vite next-generation frontend build tool with fast HMR and optimized builds. Use when configuring Vite, adding plugins, working with dev server, or building for production.

Vite is a modern build tool for frontend development featuring instant server start with native ES modules, lightning fast HMR, and optimized production builds using Rolldown/Rollup. It supports TypeScript, JSX, CSS pre processors out of the box and has a rich plugin ecosystem. The skill is based on Vite 6.x, generated at 2026 01 28. Core Topic Description Reference Configuration Config file setup, defineConfig, conditional and async configs [core config](references/core config.md) CLI Commands Dev server, build, preview commands and options [core cli](references/core cli.md) Core Features TypeScript, JSX, CSS, HTML processing, JSON handling [core features](references/core features.md) Using Plugins Adding, configuring, and ordering plugins [core plugins](references/core plugins.md) Features Topic Description Reference CSS Handling CSS modules, pre processors, PostCSS, Lightning CSS [features css](references/features css.md) Static Assets Asset imports, public directory, URL handling [features assets](references/features assets.md) Glob Import import.meta.glob, dynamic imports, batch loading [features glob import](references/features glob import.md) Environment Variables .env files, modes, import.meta.env constants [features env](references/features env.md) HMR API Hot Module Replacement client API [features hmr](references/features hmr.md) Web Workers Worker imports and configuration [features workers](references/features workers.md) Dependency Pre Bundling optimizeDeps, caching, monorepo setup [features dep bundling](references/features dep bundling.md) Build Topic Description Reference Production Build Build options, browser targets, multi page apps [build production](references/build production.md) Library Mode Building libraries with proper package exports [build library](references/build library.md) SSR Server side rendering setup and configuration [build ssr](references/build ssr.md) Advanced Topic Description Reference JavaScript API createServer, build, preview programmatic APIs [advanced api](references/advanced api.md) Plugin API Creating Vite plugins, hooks, virtual modules [advanced plugin api](references/advanced plugin api.md) Performance Optimization tips for dev server and builds [advanced performance](references/advanced performance.md) Backend Integration Integrating Vite with traditional backends [advanced backend](references/advanced backend.md)

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