bun-first

name	bun-first
description	Bun-first development: prefer native APIs over npm packages, audit for migration opportunities, eliminate unnecessary dependencies. Use when evaluating packages, starting projects, or migrating from Node.js.
metadata	{"version":"2.0.1","author":"outfitter","category":"development"}

Bun First

Bun-first philosophy: prefer native APIs over external packages.

<when_to_use>

• Auditing existing projects for Bun migration opportunities
• Starting new TypeScript projects
• Evaluating whether to add a dependency
• Reviewing code that uses Node.js APIs
• Cleaning up package.json bloat

Boundary: This skill covers when to use Bun and what it replaces. For detailed Bun API patterns and implementation examples, load the bun-fieldguide skill instead.

</when_to_use>

CLI Commands

Use Bun directly instead of Node.js tooling:

Instead of	Use
node file.ts or ts-node file.ts	bun file.ts
jest or vitest	bun test
webpack or esbuild (CLI)	bun build
npm install / yarn /