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Bun

Bun

bun.shDeveloper Tools

What AI says about Bun

Bun is an incrementally adoptable JavaScript, TypeScript, and JSX toolkit that includes a runtime, bundler, test runner, and package manager. It aims for 100% compatibility with Node.js while providing significant performance improvements.

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Products & Services

JavaScript Runtime

A fast JavaScript runtime designed as a drop-in replacement for Node.js, starting 3x faster.

Package Manager

A package manager that installs packages up to 30x faster than npm with features like global cache and workspaces.

Test Runner

A Jest-compatible test runner with built-in code coverage and watch mode, designed to replace Jest and Vitest.

Bundler

A bundler that replaces Vite and esbuild, providing fast and efficient bundling capabilities.

Common Questions

What is Bun?

Bun is a fast, all-in-one JavaScript toolkit that includes a runtime, bundler, test runner, and package manager.

How does Bun compare to Node.js?

Bun starts 3x faster than Node.js and aims for 100% compatibility with its API.

What are the main features of Bun?

Bun features a fast JavaScript runtime, a package manager that installs packages quickly, a Jest-compatible test runner, and a bundler.

Is Bun compatible with existing Node.js projects?

Yes, Bun can be used in Node.js projects and supports a zero-config setup for TypeScript and JSX.

Where can I install Bun?

Bun can be installed on Linux and macOS, with installation scripts available on the official website.

Company Information

Employees
unknown
Industries
Software DevelopmentJavaScript