/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.
$ npx -y skills add antfu/skills --skill vite --agent claude-codeHow it fires
How this skill gets triggered: by you, by Claude, or both.
- Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.Auto-invocation is when the right skill fires by itself at the right moment, driven by a FLOW.md router and a hook, instead of you invoking it by name. It is the difference between a skill being installed and a skill actually getting used.Read the full definition →
- You can call itInvoke it directly when you want it.
- Slash command
/vite
Context preview
The summary Claude sees to decide when to auto-load this skill.
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.
SKILL.md
vite.SKILL.mdname: vite
description: 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
| 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
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
Read more
name: vite description: 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
| 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
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
A curated collection of Agent Skills reflecting Anthony Fu's preferences, experience, and best practices, along with usage documentation for the tools.
Repo: antfu/skills
Other skills on antfu-skills.
- /antfu-design
antfu-style design conventions, broadened. UnoCSS-first, class-based semantic tokens with dual light/dark for tooling and devtools UIs, plus design-read, anti-slop, and micro-interaction polish for landing pages and product surfaces. Use when building or refactoring any
Open skill - /antfu
Anthony Fu's opinionated tooling and conventions for JavaScript/TypeScript projects. Use when setting up new projects, configuring ESLint/Prettier alternatives, monorepos, library publishing, or when the user mentions Anthony Fu's preferences.
Open skill - /nitro
Nitro is the framework-agnostic server toolkit (powering Nuxt) for building and deploying web servers anywhere. Use when working with nitro.config, server routes/event handlers, route rules, caching, storage, tasks, websockets, or deploying to Node/Bun/Deno/Cloudflare/Vercel.
Open skill - /nuxt
Nuxt full-stack Vue framework with SSR, auto-imports, and file-based routing. Use when working with Nuxt apps, server routes, useFetch, middleware, or hybrid rendering.
Open skill - /pinia
Pinia official Vue state management library, type-safe and extensible. Use when defining stores, working with state/getters/actions, or implementing store patterns in Vue apps.
Open skill - /pnpm
Node.js package manager with strict dependency resolution. Use when running pnpm specific commands, configuring workspaces via pnpm-workspace.yaml, or managing dependencies with catalogs, patches, overrides, config dependencies, or the global virtual store.
Open skill

