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This exercise was difficult because I didn't want to change my approach to solving it. Eventually, It was obvious that I needed to delete a good portion of my code and start again with a simpler approach.

I took on this challenge with the idea of practicing end-to-end (e2e) testing using Vitest. And people, let me tell you that this is a great exercise for practicing unit tests and e2e tests because if you need to refactor your code and make it simpler or less convoluted, the tests will save your life.

When I started this challenge I was a little doubtful of this belonging to the 'Advanced' category. I thought it was pretty simple, and maaaaan I wrong lol.

This exercise challenged me a lot, and for the first time I noticed the advantages of working with TypeScript. Although, the development of this project was a slow in order to meet TypeScript requirements, at the moment of refactoring the code TypeScript shined and made me avoid big mistakes.

Unfortunately I worked from beginning to end with the mockup data provided in the challenge started pack. And I did not notice that the API end-point changed its structure; thus I could not integrate the API to my project. Though I could have fixed it, since I made the API call and got all the countries, I did not consider I could learn something new by refactoring that part of the code. Therefore, I left it like that and commented the fetching data part.