Cathal Mac Donnacha
Tech with Cathal ๐Ÿš€

Tech with Cathal ๐Ÿš€

Cathal Mac Donnacha

Cathal Mac Donnacha

212 followers

Follow me on my journey as I write about real tech topics I face in my everyday life as a Frontend Developer.

Setting up ESLint & Prettier in ViteJS

Aug 11, 20224 min read

Learn how to set up ESLint & Prettier in your ViteJS project. ยท I recently migrated from create-react-app (CRA) to ViteJS, and as part of that, I set up...

Setting up ESLint & Prettier in ViteJS

Migrating from Jest to Vitest

May 25, 20224 min read

I recently migrated from create-react-app (CRA) to ViteJS, and as part of that, I switched my test runner from Jest to Vitest. In this article, I go...

Migrating from Jest to Vitest

Playwright E2E testing: Tips and best practices

Mar 23, 20223 min read

Learn some tips and best practices to give your E2E Playwright tests a boost. ยท I've been using Playwright for a couple of months now, and though I'm...

Playwright E2E testing: Tips and best practices

Working around CORS in create-react-app

Jan 31, 20222 min read

One problem we often face as frontend developers is dealing with CORS when making API requests. What is CORS? CORS (Cross-Origin Resource Sharing) is...

Working around CORS in create-react-app

Cypress vs Playwright: Which is best for E2E testing?

Dec 15, 20213 min read

Cypress was our go-to end-to-end (E2E) testing tool, and we were pretty happy with it, up until recently that is. Lately, we've run into a couple of...

Cypress vs Playwright: Which is best for E2E testing?

Why you should make your tests fail

Dec 2, 20213 min read

Learn why making your tests fail is actually a good idea. ยท Let's face it, most of us developers don't necessarily love writing tests. We sometimes end...

Why you should make your tests fail