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Hey there! I am Selemon Brahanu, but you might know me as selemondev. I'm a frontend engineer building intuitive user interfaces and an open sourcer. I have built libraries with over 225.5K downloads, VSCode Extensions with 34.1K installs and projects with 1.2K stars on Github.

I mainly focus on the Javascript/Typescript ecosystem building tools for myself and others while contributing to tools that improve the developer experience. I care about building systems that work, solving real problems, and making sure the final product feels as good as it looks.

Building for the Ecosystem

spark ui

631

13

Experience The Magic Of Animated Vue Components.

marquee

149

7

A beautiful component for creating marquees in Vue.

svelte marquee

100

2

A beautiful component for creating marquees in Svelte.

create vue3 app

72

1

The Next Generation Vue 3 Scaffolding CLI Tool.

Articles

The Hidden Cost Of Tree Shakeable Libraries: Part I

As I was planning on writing this article, I realised that I had made some crucial mistakes in how I package my libraries since I misunderstood how bundlers perform tree-shaking and minification. As of today ( November 22nd 2025 ), all my libraries are tree-shakeable, not tree-shaken or minified giving end users full control over their final bundle size.