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Hands-On Design Patterns with React Native

By : Grzesiukiewicz

3.5 (2)

Hands-On Design Patterns with React Native

3.5 (2)

By: Grzesiukiewicz

Overview of this book

React Native helps developers reuse code across different mobile platforms like iOS and Android. This book will show you effective design patterns in the React Native world and will make you ready for professional development in big teams. The book will focus only on the patterns that are relevant to JavaScript, ECMAScript, React and React Native. However, you can successfully transfer a lot of the skills and techniques to other languages. I call them “Idea patterns”. This book will start with the most standard development patterns in React like component building patterns, styling patterns in React Native and then extend these patterns to your mobile application using real world practical examples. Each chapter comes with full, separate source code of applications that you can build and run on your phone. The book is also diving into architectural patterns. Especially how to adapt MVC to React environment. You will learn Flux architecture and how Redux is implementing it. Each approach will be presented with its pros and cons. You will learn how to work with external data sources using libraries like Redux thunk and Redux Saga. The end goal is the ability to recognize the best solution for a given problem for your next mobile application.

Preface

Preface

Who this book is for

What this book covers

To get the most out of this book

Get in touch

Free Chapter

React Component Patterns

React Component Patterns

Stateless and stateful components

Testing components on high-level patterns

Presentational components

Container component

Summary

View Patterns

View Patterns

Technical requirements

Introduction to JSX

Built-in components you need to know about

Building forms

Introduction to error boundaries

Why Mixins are anti-patterns

Linters and code style guide

Summary

Styling Patterns

Styling Patterns

Technical requirements

How React Native styles work

Using the Flexible Box pattern

React Native animated

Summary

Flux Architecture

Flux Architecture

One-direction dataflow pattern

Introduction to Flux

Flux by example

Detailed Flux diagram

What are side effects?

Summary

Questions

Further reading

Store Patterns

Store Patterns

Using Redux stores

Redux as a pattern

Creating an alternative with MobX

Comparing Redux and MobX

Using system storage in React Native

Effect patterns

Summary

Further reading

Data Transfer Patterns

Data Transfer Patterns

Preparation

Fetching data with the built-in function

The Thunk pattern and Redux Thunk

The saga pattern and Redux Saga

Summary

Further reading

Navigation Patterns

Navigation Patterns

React Native navigation alternatives

React Navigation

React Native Navigation

Summary

Further reading

JavaScript and ECMAScript Patterns

JavaScript and ECMAScript Patterns

JavaScript and functional programming

ES6 map, filter, and reduce

The iterator pattern

Selectors

Learning functions from the Ramda library

Summary

Further reading

Elements of Functional Programming Patterns

Elements of Functional Programming Patterns

Mutable and immutable objects

Pure functions

Everything but monads

Higher-order functions

Functional languages aside

Summary

Further reading

Managing Dependencies

Managing Dependencies

The singleton pattern

ES6 modules and beyond

DI with React context

Managing the code base

Summary

Further reading

Type Checking Patterns

Type Checking Patterns

Introduction to types

Understanding TypeScript

Immutability with TypeScript

Summary

Further reading

Other Books You May Enjoy

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Managing Dependencies

This chapter is dedicated to managing dependencies, namely libraries, that your mobile applications rely on. Most current applications abuse the singleton pattern. However, I strongly believe that, one day, JavaScript developers will adopt well-known dependency injection (DI) patterns. Even if they decide to use the singleton pattern, it will be way easier to refactor. In this chapter, we will focus on the React context and how libraries such as Redux leverage the DI mechanism. This is the safest alternative to use if you really want to step up your code and make it easily testable. We will dive into the code in the React Redux library, which uses the React context extensively. You will also understand why the JavaScript world is so slow to abandon the singleton pattern.

In this chapter, you will learn about the following topics:

The singleton pattern
The...

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