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React Design Patterns and Best Practices

React Design Patterns and Best Practices

4.5 (8)
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React Design Patterns and Best Practices

React Design Patterns and Best Practices

4.5 (8)

Overview of this book

React is an adaptable JavaScript library for building complex UIs from small, detached bits called components. This book is designed to take you through the most valuable design patterns in React, helping you learn how to apply design patterns and best practices in real-life situations. You’ll get started by understanding the internals of React, in addition to covering Babel 7 and Create React App 2.0, which will help you write clean and maintainable code. To build on your skills, you will focus on concepts such as class components, stateless components, and pure components. You'll learn about new React features, such as the context API and React Hooks that will enable you to build components, which will be reusable across your applications. The book will then provide insights into the techniques of styling React components and optimizing them to make applications faster and more responsive. In the concluding chapters, you’ll discover ways to write tests more effectively and learn how to contribute to React and its ecosystem. By the end of this book, you will be equipped with the skills you need to tackle any developmental setbacks when working with React. You’ll be able to make your applications more flexible, efficient, and easy to maintain, thereby giving your workflow a boost when it comes to speed, without reducing quality.
Table of Contents (19 chapters)
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1
Section 1: Hello React!
4
Section 2: How React works
9
Section 3: Performance, Improvements and Production!

FunctionAsChild

There is a pattern that is gaining consensus within the React community, and it is known as FunctionAsChild. It is widely used in the popular library react-motion, which we will see in Chapter 6, Write Code for the Browser.

The main concept is that, instead of passing a child in the form of a component, we define a function that can receive parameters from the parent.

Let's see what it looks like:

  const FunctionAsChild = ({ children }) => children();

FunctionAsChild.propTypes = {
children: func.isRequired
};

As you can see, FunctionAsChild is a component that has a children property defined as a function and, instead of being used as a JSX expression, it gets called.

The preceding component can be used in the following way:

  <FunctionAsChild> 
{() => <div>Hello, World!</div>}
</FunctionAsChild>

It is as simple...

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