Bunup

Bunup helps you ship TypeScript/React libraries faster with great DX, built on Bun's native bundler.

A modern build tool for your libraries.

Quick Start

Create a TypeScript file:

// src/index.ts
export function greet(name: string): string {
  return `Hello, ${name}!`;
}

Build it instantly:

bunx bunup

Outputs to dist/ with ESM and .d.ts types.

Need CommonJS too?

bunx bunup --format esm,cjs

Want to generate and sync package exports automatically?

bunx bunup --exports

Links

• Documentation
• GitHub