Cathal Mac Donnacha
Tech with Cathal ๐Ÿš€

Tech with Cathal ๐Ÿš€

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Cathal Mac Donnacha

29 followers

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

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

6 tips every code review author should know

Nov 5, 20214 min read

I've submitted my fair share of code reviews at this point of my web development career and I've picked up a couple of tips along the way, so I wanted...

6 tips every code review author should know