Software Engineering, Flyfishing and everything in between.
Hi! My name is Aron, I’m a software developer based in Cologne, Germany. In this blog I’ll write about anything that I discover in my day to day life as a software engineer.
Using Cloudflare Workers as a Proxy for Firebase Authentication
This blog post will guide you through the process of setting up Cloudflare Workers as a proxy for Firebase authentication, allowing any user to authenticate with the `signInWithRedirect` function. Without this, cross-domain cookie settings will prevent Safari and other browsers from signing in.
Meaningful Sentry issues with react-query + axios
This post shows how to enrich axios errors when using react-query and how to handle them on a global level.
Optimizing screenreader accessibility for icon-only buttons
In this post I show how you can easily make buttons which consist only of an svg more accessible.
Mocking IntersectionObserver in Jest
This post describes how to mock IntersectionObserver, a layout helper which is not implemented when running tests with Jest + JSDOM.
Poorly-optimized React components, an example
In this post, I will be analyzing a poorly-optimized React function component that renders a list of items. I will be using the React performance profiler to identify the performance issues in the component, and then I will show you how to optimize the component to improve its performance. By the end of this post, you should have a better understanding of how to optimize the performance of your React components.
Serve your build locally with nginx through docker
Sometimes you might want to debug problems or behavior of your produdction build locally. To do so, you have to somehow serve it. This post explains how!