ViteSAFE

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The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.

---
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: "2026.9.25"
  source: Generated from https://github.com/vitejs/vite, scripts at https://github.com/antfu/skills
---

# Vite

> Based on Vite v8.3.1 (Rolldown-powered), generated at 2026-09-25. Vite 8 uses the Rolldown bundler and the Oxc transformer instead of esbuild + Rollup.

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

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

### Common Config

```ts
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

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

What the source does

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none-observed

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none-observed

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pinned

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Findings (1)

Gates applied: no_behavioural_pass, no_license.