@cathalmacdonnacha
Follow me on my journey as I write about tech topics I face in my everyday life as a Frontend Developer 馃捇
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Sep 8, 2025 路 10 min read 路 After noticing a spike in failing Jest builds, I decided to investigate and found that slow and flaky tests were the main culprits. In this article, I go through some tips I discovered for making slow or flaky tests faster and more reliable. There ar...
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Aug 4, 2023 路 4 min read 路 Code splitting is a technique used to optimize the loading performance of web apps by breaking down the bundled JavaScript files into smaller, more manageable chunks. By loading only the required code for a specific route or page, route-based code sp...
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Dec 6, 2022 路 7 min read 路 One of the less exciting things about being a Frontend Developer is having to handle error, empty and loading states. It may not be the most fun thing to do, but it's necessary in order to give your users the best experience possible. Thankfully, Moc...
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Aug 22, 2022 路 7 min read 路 I recently migrated a production app within my company from create-react-app (CRA) to Vite, and the results have been great so far! In this article, I go through all the steps I took as part of the migration, in the hope that it might help others who...
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Aug 11, 2022 路 4 min read 路 I recently migrated from create-react-app (CRA) to ViteJS, and as part of that, I set up ESLint and Prettier. In this article, I go through all the steps I took. Let's get started! 1. Install dependencies We need to install the following dependencies...
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