Bun is a JavaScript runtime, another alternative between: Nodejs, QuickJS, Deno and among others.

Although it is still in development, Bun is very successful due to its performance, accelerated flows and execution of simpler production codes in resource-limited environments, such as serverless functions.

Bun is a complete toolkit for JavaScript and TypeScript applications.

It was written in Zig and C++, drastically reducing startup time and memory usage.

Installation

There are a few ways to install, the most common is to use cURL and add it to your Shell configuration file, just run the commands below:

curl -fsSL https://bun.sh/install | bash
echo 'alias bun="${HOME}/.bun/bin/bun"' >> ~/.bashrc
exec $SHELL

To test, just create a basic index.js code:

console.log("Hello, Bun!")

And run:

bun index.js

Other ways to install can be with npm, Homebrew or Docker:

# With npm
npm install -g bun

# With Homebrew
brew tap oven-sh/bun
brew install bun

# With Docker
docker pull oven/bun
docker run --rm --init --ulimit memlock=-1:-1 oven/bun

For more Bun features use bun --help, visit GitHub repository or web address: https://bun.sh /.

zig javascript cpp