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Cover image for Bun 1.0 ⚡:All-in-One Toolkit
Amit Kumar Rout
Amit Kumar Rout

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Bun 1.0 ⚡:All-in-One Toolkit

JavaScript has always been a dynamic language with a vibrant ecosystem. Over the years, we've seen a plethora of tools designed to make JavaScript development easier, faster, and more efficient.

Currently, there is a new development: Bun 1.0, which serves as a runtime, package manager, test runner, and bundler for JavaScript and TypeScript.

How fast is Bun compared to node?

To test it I am using

  • Node - v20.6.1

  • Bun - v1.0.0

1. Running a performance test

I am using this code to test performance

console.time('test');
for (let i = 0; i < 10000; i++) console.log(i)
console.timeEnd("test");
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I have created a node file by npm init

creating node
Running the index.js script

node test

I am getting around 154.889ms.

To create in bun, we will use bun init

creating bun

Running the same index.js script

bun test

I am getting around 61.35ms⚡.

I have changed console logs to create difference between node and bun

2. Creating Ecosystem(create-vite-app, create-react-app)

We will run same commands in npx and bunx to measure creating time.

I created react project using create-react-app
$npx create-react-app node-text-react
npx
$bun x create-react bun-text-react
bun

Both are adding same number of packages(1455) but npx does it in 35s whereas bunx(bun x) does it in 19s⚡.

After CRA, I tried in vite project
$npm create vite@latest
npm vite
$bun x create-vite vite-project-bun
bun vite

Both added 262 pakages but node does it in 11s whereas bunx(bun x) does it in 1.2s⚡.

Then I tried creating next app with bun and node
$bun x create-next-app
bun next
$npx create-next-app@latest
node next

Bun installed 321 packages in 7.85s⚡ where as node installed 325 packages in 22s.

Conclusion

Bun is very fast as compared with node and yarn, node, deno (according to documentation). It is based on Javascript Core Engine and Zig. Still there are some disadvantages like it can't run on Windows machine and also bugs as it is first stable release. With the introduction of Bun as a new contender in the Node ecosystem, developers now have viable alternatives to Node.

If you have any suggestions, please leave them in the comments section. If you found this post helpful, please like and share it.

Happy Coding!

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