Bun Crash Course | JavaScript Runtime, Bundler & Transpiler

In this crash course, we will look at the Bun.js JavaScript runtime/bundler/toolkit. I will show you how to get set up and check out some of the features.

Bun Official Website & Docs:

https://bun.sh

Check Out My Courses:

https://traversymedia.com

If you are on Windows, this is a video I did setting up WSL. It is old, but the steps are pretty much the same:

https://www.youtube.com/watch?v=Cvrqmq9A3tA

Timestamps:

0:00 - Intro & Slides

1:22 - What Is Bun?

4:41 - Features & Advantages

9:16 - Installation

11:50 - bun init

12:55 - bun run

13:18 - Bun.serve()

15:29 - Watch Mode

16:22 - Hot Reload Mode

16:43 - Env Variables

18:16 - Bun Scripts

19:30 - Simple Routes

21:00 - bun x

21:58 - Node Core Modules

23:59 - File I/O API

27:05 - Testing

29:19 - The Bundler

32:21 - bun build

34:26 - Bundler Watch Mode

35:03 - React & JSX

39:03 - Conclusion