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React Anti-Patterns
React Anti-Patterns

React Anti-Patterns: Build efficient and maintainable React applications with test-driven development and refactoring

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Profile Icon Juntao Qiu
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S$47.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.8 (10 Ratings)
Paperback Jan 2024 324 pages 1st Edition
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Arrow left icon
Profile Icon Juntao Qiu
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S$47.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.8 (10 Ratings)
Paperback Jan 2024 324 pages 1st Edition
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S$25.99 S$37.99
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React Anti-Patterns

Introducing React Anti-Patterns

This book dives deep into the realm of React anti-patterns. An anti-pattern is not necessarily a technical error – the code often functions properly at first – but although it may initially seem correct, as the code base expands, these anti-patterns can become problematic.

As we navigate through the book, we’ll scrutinize code samples that might not embody best practices; some could be intricate to decipher, and others, tough to modify or extend. While certain pieces of code may suffice for smaller tasks, they falter when scaled up. Moreover, we’ll venture into time-tested patterns and principles from the expansive software world, seamlessly weaving them into our frontend discourse.

I aim for practicality. The code illustrations originate either from past projects or commonplace domains such as a shopping cart and a user profile component, minimizing your need to decipher domain jargon. For a holistic view, the concluding...

Technical requirements

A GitHub repository has been created to host all the code we discuss in the book. For this chapter, you can find the code at https://github.com/PacktPublishing/React-Anti-Patterns/tree/main/code/src/ch1.

Understanding the difficulty of building UIs

Unless you’re building a straightforward, document-like web page — for example, a basic article without advanced UI elements such as search boxes or modals — the built-in languages offered by web browsers are generally insufficient. Figure 1.1 shows an example of a website using HTML (HyperText Markup Language):

Figure 1.1: A simple HTML document website

Figure 1.1: A simple HTML document website

However nowadays, most applications are more complicated and contain more elements than what this language was originally designed for.

The disparity between the language of the web and the UI experiences that people encounter daily is substantial. Whether it’s a ticket booking platform, a project management tool, or an image gallery, modern web UIs are intricate and native web languages don’t readily support them. You can go the extra mile to “simulate” UI components such as accordions, toggle switches, or...

Understanding the state management

Managing the state in modern frontend development is a complex task. Nearly every application has to retrieve data from a remote server via a network – we can call this data remote states. Remote state originates from an external source, typically a backend server or API. This is in contrast to local state, which is generated and managed entirely within the frontend application itself.

There are many dark sides of remote states, making the frontend development difficult if you don’t pay close attention to them. Here, I’ll just list a few obvious considerations:

  • Asynchronous nature: Fetching data from a remote source is usually an asynchronous operation. This adds complexity in terms of timing, especially when you have to synchronize multiple pieces of remote data.
  • Error handling: Connections to remote sources might fail or the server might return errors. Properly managing these scenarios for a smooth user experience...

Exploring “unhappy paths”

When it comes to UI development, our primary focus is often on the “happy path” – the optimal user journey where everything goes as planned. However, neglecting the “unhappy paths” can make your UI far more complicated than you might initially think. Here are some scenarios that could lead to unhappy paths and consequently complicate your UI development efforts.

Errors thrown from other components

Imagine that you’re using a third-party component or even another team’s component within your application. If that component throws an error, it could potentially break your UI or lead to unexpected behaviors that you have to account for. This can involve adding conditional logic or error boundaries to handle these errors gracefully, making your UI more complex than initially anticipated.

For example, in a MenuItem component that renders an item’s data, let’s see what happens when...

Exploring common anti-patterns in React

Within the realm of software development, we often encounter practices and approaches that, at first glance, appear to offer a beneficial solution to a particular problem. These practices, labeled as anti-patterns, may provide immediate relief or a seemingly quick fix, but they often hide underlying issues. Over time, reliance on these anti-patterns can lead to greater complexities, inefficiencies, or even the very issues they were thought to resolve.

Recognizing and understanding these anti-patterns is crucial for developers, as it enables them to anticipate potential pitfalls and steer clear of solutions that may be counterproductive in the long run. In the upcoming sections, we’ll highlight common anti-patterns accompanied by code examples. We’ll address each anti-pattern and outline potential solutions. However, we won’t delve deeply here since entire chapters are dedicated to discussing these topics in detail.

...

Summary

In this chapter, we explored the challenges of UI development from its complexities to state management issues. We also discussed the common anti-patterns due to the nature of its complexity, and briefly introduced our approach that combines best practices and effective testing strategies. This sets the foundation for more efficient and robust frontend development.

In the upcoming chapter, we’ll dive deep into React essentials, giving you the tools and knowledge you need to master this powerful library. Stay tuned!

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Key benefits

  • Identify and address React anti-patterns while learning testing strategies and refactoring techniques for efficient codebases
  • Explore data modelling, design patterns, and state management in React
  • Enhance code quality, maintainability, and scalability in React applications
  • Purchase of the print or Kindle book includes a free PDF eBook

Description

Take your React development skills to the next level by examining common anti-patterns with expert insights and practical solutions, to refine your codebases into sophisticated and scalable creations. Through this easy-to-follow guide, React Anti-Patterns serves as a roadmap to elevating the efficiency and maintainability of your React projects. You’ll begin by familiarizing yourself with the essential aspects of React before exploring strategies for structuring React applications and creating well-organized, modular, and easy-to-maintain codebases. From identifying and addressing common anti-patterns using refactoring techniques to harnessing the power of test-driven development (TDD), you’ll learn about the tools and techniques necessary to create reliable and robust tests. As you advance, you’ll get to grips with business logic and design patterns that offer solutions to prevalent challenges faced in React development. The book also offers insights into using composition patterns, such as code splitting and multiple entry points, to enhance the flexibility and modularity of your React applications, guiding you through end-to-end project implementation. By the end of this React book, you’ll be able to overcome common challenges and pitfalls to transform your React projects into elegant, efficient, and maintainable codebases.

Who is this book for?

This book is for React developers of all skill levels who share a passion for crafting efficient and maintainable codebases. Whether you're a beginner who wants to establish a solid foundation or an experienced developer looking to refine your skills, this guide offers invaluable insights, practical solutions, and real-world examples to enable you to excel at building scalable, elegant, and high-performing React applications.

What you will learn

  • Formulate comprehensive testing strategies and leverage testing framework capabilities
  • Implement TDD practices to drive the development process and elevate code quality, especially in extensive React projects
  • Use design patterns effectively to create scalable and reusable React components
  • Apply established software design principles to craft resilient applications within React
  • Achieve modularity and loose coupling in React codebases by mastering the separation of concerns
  • Ensure clean code by adhering to software design best practices in React development
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Publication date : Jan 05, 2024
Length: 324 pages
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Language : English
ISBN-13 : 9781805123972
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Table of Contents

19 Chapters
Part 1:Introducing the Fundamentals Chevron down icon Chevron up icon
Chapter 1: Introducing React Anti-Patterns Chevron down icon Chevron up icon
Chapter 2: Understanding React Essentials Chevron down icon Chevron up icon
Chapter 3: Organizing Your React Application Chevron down icon Chevron up icon
Chapter 4: Designing Your React Components Chevron down icon Chevron up icon
Part 2: Embracing Testing Techniques Chevron down icon Chevron up icon
Chapter 5: Testing in React Chevron down icon Chevron up icon
Chapter 6: Exploring Common Refactoring Techniques Chevron down icon Chevron up icon
Chapter 7: Introducing Test-Driven Development with React Chevron down icon Chevron up icon
Part 3: Unveiling Business Logic and Design Patterns Chevron down icon Chevron up icon
Chapter 8: Exploring Data Management in React Chevron down icon Chevron up icon
Chapter 9: Applying Design Principles in React Chevron down icon Chevron up icon
Chapter 10: Diving Deep into Composition Patterns Chevron down icon Chevron up icon
Part 4: Engaging in Practical Implementation Chevron down icon Chevron up icon
Chapter 11: Introducing Layered Architecture in React Chevron down icon Chevron up icon
Chapter 12: Implementing an End-To-End Project Chevron down icon Chevron up icon
Chapter 13: Recapping Anti-Pattern Principles Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
Other Book You May Enjoy Chevron down icon Chevron up icon

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Yondela Myataza Jul 29, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Feefo Verified review Feefo
allejo Jan 29, 2024
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This book covers the most common anti-patterns that I've seen throughout React projects, especially ones that were built by beginners. The first chapter does a good job explaining each anti-pattern and the problems they cause. However, I wouldn't consider everything mentioned in this chapter an "anti-pattern." For example, lack of testing is listed but I'd consider that more of a problem than a pattern people actively follow. Nevertheless, it's a problem that folks should be aware of, and therefore, it fits this book's topic well. Then, the second chapter does an abridged but thorough detailing of React fundamentals because these fundamentals will be used in the upcoming chapters. Don't expect this chapter to be a hand-holding tutorial; it will be just the conceptual aspects and code samples. One of the biggest problems I see in React applications is the way they are organized, and this book does a good job listing out a number of different approaches, each with pros/cons, to allow the reader to decide what's best for them.Testing, refactoring, and TDD are the next sections of the book, and I very much enjoyed these! The section on testing gives a good overview of the different ways of testing React applications, including unit testing (Jest + RTL) and integration testing (Cypress + Cucumber). Beyond just going over refactoring strategies like how to restructure your application, the author goes in-depth with the exact refactoring strategies you can/should use. The most exciting part is that the author references Webstorm and Visual Studio Code as IDEs, and proceeds to explain the different refactoring options these IDEs have and how/WHY to use them, e.g., extracting values into variables, extracting certain logic into utility functions, moving pieces of code into different files to enforce separation of duties.The last part of the book I read before writing this review covers TDD, its different styles, and how to do it. I appreciate this section being in here because I find that TDD is a tough concept for some to wrap their heads around. The author mentions Cucumber (for BDD) as an example but doesn't go into detail with it. I know that's not what this book is intended for, but I can't help but feel sad that there wasn't more information or examples of this approach. In this section, the author talks about "tasking," which lists everything the author will be testing. The author describes what each task will be testing and, to some degree, why as well, but this section could have been written slightly differently, where it reads as if the author is explaining why they picked the tasks they did for testing first.Overall, really pleasant read for beginners and experts alike. I'm looking forward to finishing this book.
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Surya Sumanth Feb 21, 2024
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Great book if you are into learning react.js
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Bhavana Acharya Mar 04, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
As a seasoned React developer, I've often found myself grappling with common anti-patterns and seeking ways to refine my codebase.This book delves in to the intricacies of TDD, design patterns which helps the developer to write clean and reusable code.It also focuses on business and logic development as well. There are examples given as well which enables the user to learn the topics easily
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Erica Jun 10, 2024
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Recently, I had an interview and got tripped up on a question about design patterns 😩, so I decided to try to learn more about them.In doing so, I discovered something called anti-patterns exist as well! 😂 And since I'm also currently trying to get reacquainted with React, I decided to go looking for a good resource on the subject(s)...Now I love me some good resources! 😅🥰 I literally hoard online courses in my bookmarks on my laptop, and my bookshelf is full of programming books. 🤣So I went looking for a good one and I came across "React Anti-Patterns" and have been diving into it recently. And even though it's more about what NOT to do, I'm learning sooo much!! 🤯It's really helping me develop a better understanding of design patterns and anti-patterns so I can feel more confident speaking about them in interviews. I'm most excited about how it's helping me learn to write better code and ultimately, be a better developer. 😊I absolutely recommend it to anyone who's trying to up their game and grow as a software engineer! This one is a must-have!
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