Hello 👋 Welcome to my portfolio!

I'm Krzysztof Sordyl

Frontend developer passionate about React.js ecosystem, focused on creating modern web apps.

Based in Bielsko-Biała, Poland 🏔️

2025-03-16blog post

Measure package sizes effectively

A small guide to identifying npm packages bundle size. You will learn which tools are providing better insights than Bundlephobia.

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2024-12-30blog post

Storybook Testing Overview

Overview of Storybook testing, the alternative to the traditional JSDOM approach for testing the components. Explores the benefits and drawback of using Storybook tools to test components in many ways.

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2024-11-02blog post

Deno 2 quick overview

Deno is a modern JavaScript runtime. Deno claims to be secure by default, with native support for TypeScript and JSX. Backward compatible with Node.js.

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2024-12-22dev-bite

Vitest timing breakdown

Breakdown of each step of duration printed out after running the Vitest tests. Including some hints on how to improve each of the metrics

2024-08-03dev-bite

How to Measure ESLint Execution Time

Find out how to check which ESLint rules takes a lot of time to scan the project