Table of Contents
Welcome to our comprehensive tutorial on crafting your first Bun.js application. Bun.js is an innovative JavaScript runtime like Node.js and Deno, designed for speed and simplicity. This guide will walk you through each step, from setup to running your first app.
Prerequisites
- Basic knowledge of JavaScript and Node.js
- Node.js and npm installed on your machine
- A code editor like Visual Studio Code
- Internet connection to download Bun.js
Installing Bun.js
Start by installing Bun.js on your system. Open your terminal and run the following command:
curl -fsSL https://bun.sh/install | bash
After installation, verify it by typing:
bun --version
Creating Your First Bun.js App
Navigate to your project directory and initialize a new project:
mkdir my-bun-app && cd my-bun-app
Initialize with Bun:
bun init
Writing Your First Script
Create a new file named index.js in your project folder. Add the following code:
console.log('Hello, Bun.js!');
Running Your Bun.js App
In your terminal, execute the script with:
bun run index.js
You should see the message:
Hello, Bun.js!
Next Steps
Now that you have a basic app running, explore Bun.js features such as:
- Using npm packages with
bun add - Creating web servers with Bun’s built-in APIs
- Handling asynchronous operations efficiently
- Building more complex applications
Resources
Happy coding with Bun.js! Your journey into fast and efficient JavaScript development starts here.