vite-patterns

Installation
SKILL.md

Vite Patterns

Build tool and dev server patterns for Vite 8+ projects. Covers configuration, environment variables, proxy setup, library mode, dependency pre-bundling, and common production pitfalls.

When to Use

  • Configuring vite.config.ts or vite.config.js
  • Setting up environment variables or .env files
  • Configuring dev server proxy for API backends
  • Optimizing build output (chunks, minification, assets)
  • Publishing libraries with build.lib
  • Troubleshooting dependency pre-bundling or CJS/ESM interop
  • Debugging HMR, dev server, or build errors
  • Choosing or ordering Vite plugins

How It Works

  • Dev mode serves source files as native ESM — no bundling. Transforms happen on-demand per module request, which is why cold starts are fast and HMR is precise.
  • Build mode uses Rolldown (v7+) or Rollup (v5–v6) to bundle the app for production with tree-shaking, code-splitting, and Oxc-based minification.
Related skills
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