Learn React Hooks: Unlock scalable state, performance, and clean code with Hooks, Context, Suspense, and Form Actions. 2 Ed

Contents

Introduction

Section 1: Auditing

What's Covered?

Planning Your Auditing Strategy

Getting Into the Right Mindset

Recording Your Findings

Automated Tooling

PHP Insights

Enlightn

Larastan

Style CI

Code Coverage

Manual Auditing

Investigating "raw" Database Queries

Finding Incorrect Authorisation

Checking Validation

Finding "Fake Facades"

Finding Business Logic in Helpers

Finding N+1 Queries

Finding Controllers That Use Other Controllers

Finding Logic and Queries in Blade Views

Finding Hard-Coded Credentials

Check Open Package Routes

Reviewing Project Documentation

Section 2: Testing

What's Covered?

Planning Your Testing Strategy

The Benefits of Writing Tests

Spotting Bugs Early

Making Future Work and Refactoring Easier

Changing the Way You Approach Writing Code

Tests-As-Documentation

Prove That Bugs Exist

Structuring Your Tests

Directory Structure

Choosing What To Test

Test Structure

Data Providers

Writing the Tests

Prioritising Mission-Critical Tests First

Writing the Rest of the Tests

Benefits of Writing the Easy Tests First

Preventing Test Fatigue

Testing Your UI with Laravel Dusk

Installation

Testing a Simple Form

Dusk Pages and Selectors

Running Failed Tests and Groups

Creating a CI Workflow Using GitHub Actions

Using an .env.ci File

Running the Test Suite

Larastan

Laravel Dusk

Output

Section 3: Fixing

What's Covered?

Planning Your Fixing Strategy

Using an Error Reporting System

Types of Errors

The Benefits of an Automated Error Reporting System

Error Reporting Using Flare

Uptime Checking, Queue Monitoring, and Scheduler Monitoring

Uptime Monitoring with Oh Dear

Scheduler Monitoring with Oh Dear

Queue Monitoring with Oh Dear

Updating PHP, Laravel, and Packages

Upgrading in Small Increments

Automating the Upgrade Using Laravel Shift

Planning Upgrades Early

Using a Suitable Local Development Environment

Using Tests to Fix Bugs

What is Test-Driven Development?

The Advantages of Test-Driven Development

The Disadvantages of Test-Driven Development

Fixing a Real Bug Using Test-Driven Development

Safely Removing Dead Code

Checking the Version Control History

Scream Test

Logging or Reporting the Usage

Removing the Code with an Atomic Commit

Section 4: Improving

What's Covered?

Planning Your Improvement Strategy

Making the Most of PHP's Type System

Using Type Hints and Return Types

Union Types

Type Hints and Return Types in Closures

DRYing Up Your Code

Advantages of DRYing Up Your Code

When to DRY Up Your Code

Refactoring Conditions

Reducing Indented Code

Replacing if and elseif with match

Using the Nullsafe Operator

Using Database Transactions

Adding the Database Transactions

Manually Using Database Transactions

Tips for Interacting with Third-Party Services

Using Automatic or Manual Transactions

Dispatching Queued Jobs inside Database Transactions

Improving the Testability of Your Code

Using Objects Over Arrays

Final Words

Discount Codes

Flare

Oh Dear

StyleCI

Laravel Security In Depth

React Hooks allow you to easily encapsulate, reuse, and refactor logic with the same level of simplicity that components bring to user interface organization.

In this second edition, React expert and author of many popular React books, Daniel Bugl guides you through the full spectrum of React Hooks, and teaches you how to handle forms, routing, and data fetching in modern React development. This edition is fully updated to React 19, with a revamped structure, expanded real-world use cases, and coverage of all newly introduced Hooks.

Starting with the fundamentals, you'll gain a deep understanding of how Hooks work under the hood and how to apply Hooks patterns efficiently. The chapters guide you through using State, Reducer, and Effect Hooks to manage application state, side effects, and complex logic for building your first Hook-based app. You'll utilize Suspense and Context APIs for streamlined data fetching and state management, master Form Actions for handling submissions, and implement routing with Hooks. You’ll also create custom Hooks for advanced functionality and write tests for reliability. Finally, you’ll learn how to refactor an existing app with class components into modern Hooks architecture.

By the end of this React book, you'll be well-equipped to use React Hooks to modernize and optimize your React projects.

What you will learn

• Master and apply new React 19 Hooks, such as useActionState, useFormStatus, useOptimistic, and others

• Use React Hooks and Context to manage state in your web applications

• Efficiently fetch, update, and cache data using TanStack Query and Suspense

• Manage user input and form submission using Form Actions with Hooks

• Discover how to implement routing in your apps using React Router and Hooks

• Create and test your own Hooks to encapsulate, reuse, and refactor logic in your apps

Who this book is for

This book is ideal for React developers looking to modernize their applications using React Hooks, Context, and Suspense. Beginners and experienced developers alike will gain a solid understanding of Hooks and their internal workings. If you're familiar with React and JavaScript, this book will help you upskill by teaching you best practices, performance optimization, and scalable application building. No prior experience with Hooks is required—this book covers everything from fundamentals to advanced patterns.