Book Image

React 18 Design Patterns and Best Practices - Fourth Edition

By : Carlos Santana Roldán
4.2 (6)
Book Image

React 18 Design Patterns and Best Practices - Fourth Edition

4.2 (6)
By: Carlos Santana Roldán

Overview of this book

React helps you work smarter, not harder — but to reap the benefits of this popular JavaScript library and its components, you need a straightforward guide that will teach you how to make the most of it. React 18 Design Patterns and Best Practices will help you use React effectively to make your applications more flexible, easier to maintain, and improve their performance, while giving your workflow a huge boost. With a better organization of topics and knowledge about best practices added to your developer toolbox, the updated fourth edition ensures an enhanced learning experience. The book is split into three parts; the first will teach you the fundamentals of React patterns, the second will dive into how React works, and the third will focus on real-world applications. All the code samples are updated to the latest version of React and you’ll also find plenty of new additions that explore React 18 and Node 19’s newest features, alongside MonoRepo Architecture and a dedicated chapter on TypeScript. By the end of this book, you'll be able to efficiently build and deploy real-world React web applications.
Table of Contents (20 chapters)
18
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19
Index

Understanding the benefits of testing

Testing web UIs has always been a difficult job. From unit to end-to-end tests, the fact that the interfaces depend on browsers, user interactions, and many other variables makes it difficult to implement an effective testing strategy.

If you’ve ever tried to write end-to-end tests for the web, you’ll know how complex it is to get consistent results and how the results are often affected by false negatives due to different factors, such as the network. Other than that, user interfaces are frequently updated to improve the experience, maximize conversions, or simply add new features.

If tests are hard to write and maintain, developers are less prone to cover their applications. On the other hand, tests are important because they make developers more confident with their code, which is reflected in speed and quality. If a piece of code is well tested (and the tests are well written), developers can be sure that it works and...