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vite

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.

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name: vitedescription: 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.metadata:   author: Anthony Fu  version: "2026.1.31"  source: Generated from https://github.com/vitejs/vite, scripts at https://github.com/antfu/skills

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

TopicDescriptionReference
Configurationvite.config.ts, defineConfig, conditional configs, loadEnvcore-config
Featuresimport.meta.glob, asset queries (?raw, ?url), import.meta.env, HMR APIcore-features
Plugin APIVite-specific hooks, virtual modules, plugin orderingcore-plugin-api

Build & SSR

TopicDescriptionReference
Build & SSRLibrary mode, SSR middleware mode, ssrLoadModule, JavaScript APIbuild-and-ssr

Advanced

TopicDescriptionReference
Environment APIVite 6+ multi-environment support, custom runtimesenvironment-api
Rolldown MigrationVite 8 changes: Rolldown bundler, Oxc transformer, config migrationrolldown-migration

Quick Reference

CLI Commands

vite              # Start dev server
vite build        # Production build
vite preview      # Preview production build
vite build --ssr  # SSR build

Common Config

import { defineConfig } from 'vite'

export default defineConfig({
  plugins: [],
  resolve: { alias: { '@': '/src' } },
  server: { port: 3000, proxy: { '/api': 'http://localhost:8080' } },
  build: { target: 'esnext', outDir: 'dist' },
})

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