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Bun

Automate JavaScript and TypeScript project setup, building, running, bundling, and testing with Bun's runtime and tools.

Updated Apr 21, 2026
Search Tags:#testing#javascript#runtime#bun#bundler#package-manager
One-click install
npx skills add https://github.com/brandonjjon/astro-starter-cf --skill bun-brandonjjon
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Bun
Source: https://github.com/brandonjjon/astro-starter-cf/tree/main/.agents/skills/bun
Command: npx skills add https://github.com/brandonjjon/astro-starter-cf --skill bun-brandonjjon

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Bun consolidates JavaScript tooling into a single runtime, package manager, bundler, and test runner, simplifying setup and maintenance for JS/TS projects.

Core Features & Use Cases

  • Run TypeScript/JavaScript code directly with bun run and Bun.serve for HTTP servers
  • Manage dependencies swiftly with bun install, add, and update
  • Build and bundle applications with bun build and binary output, then test with bun test
  • Create and manage projects quickly using bun init and bunfig configuration

Quick Start

Initialize a Bun project and run your first script with bun init my-app and bun run index.ts.

Frequently Asked Questions about Bun

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run TypeScript and JavaScript code directly without a separate compile step?▼

You can run TypeScript and JavaScript code directly without compiling by using the Bun runtime. Executing files with the run command executes the source code natively, serving HTTP requests and processing scripts instantly.

What is the best way to bundle JavaScript applications and output standalone binaries?▼

Bundling JavaScript applications and outputting standalone binaries is done using the build command. This process packages your code into optimized bundles or executable binaries for streamlined deployment.

How do I set up and test a new JavaScript project quickly across a large codebase?▼

To set up and test a new JavaScript project quickly, initialize the project structure and then run the test command. The integrated test runner handles validation efficiently across small to large codebases.

Does Bun work as a package manager for installing and updating dependencies?▼

Yes, Bun works as a package manager for installing and updating dependencies. It manages project packages swiftly using the install, add, and update commands to handle your project libraries.

How do I configure Bun commands and project settings for my JavaScript tooling?▼

You configure Bun commands and project settings by defining options in a bunfig.toml file. This configuration file manages how the runtime, package manager, and test runner operate.

Why consolidate JavaScript tooling like the runtime, bundler, and package manager into a single tool?▼

Consolidating the JavaScript runtime, bundler, and package manager into a single tool simplifies project setup and maintenance. It eliminates the need to manage multiple separate tools for building and testing.

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