The senior toolkit your AI doesn’t have.
Cursor, Claude, Codex, and Antigravity generate React in an afternoon. The architecture, performance, and review patterns that keep it shipping past month three — plus drop-in rules for all five tools — are in this book.
7-day refund · lifetime updates · team licences available
Why this book exists
Your AI ships fast. This book ships what survives
AI codegen is fast. AI codegen also ships React that compiles, runs, and quietly collapses six months later — scattered fetch calls, fourteen useState hooks, no error boundaries, no type narrowing, no architecture.
This book teaches the patterns the AI doesn't ship. Folder structure, state model, API layer, performance, testing, SSR strategy — the shape of a React app that survives a year of feature work and a rotation of contributors.
It also ships an AI Rules Bundle for the five tools senior teams ship with today: AGENTS.md for OpenAI Codex, AGENTS.md + GEMINI.md + .agent/rules/* for Google Antigravity, .cursor/rules/*.mdc for Cursor, CLAUDE.md for Claude Code, and .windsurfrules for Windsurf. Drop them in your repo root and the next prompt starts following the book.
- 400+
- pages of production React
- 100+
- runnable code examples
- 9
- in-depth chapters
- 5★
- reader rating
What's inside
A complete production handbook
Not another hooks tutorial. The architecture, patterns, and decision-making senior engineers reach for every day.
Architecture that scales
Folder structure, module boundaries, and dependency rules that survive past 50 components.
Performance, measured
React Profiler-driven optimisation, list virtualisation, memo that actually works, code-splitting.
State, the right way
React Query, Redux Toolkit, Zustand, and Jotai — when to reach for each and how to combine them.
Next.js, end to end
Pick the right rendering strategy per route. SSG, SSR, ISR, and edge middleware in production.
Tests that catch bugs
Real unit, integration, and e2e patterns with Jest, Testing Library, and Cypress — no vanity coverage.
Typed end to end
Every snippet typed so the patterns survive refactors and scale to whole teams of contributors.
Why pay for this
What free tutorials skip
Most React content stops at hooks and useState. Production needs more.
| What you need | Free tutorials | This book |
|---|---|---|
| Folder architecture for 50+ components | ||
| Production API layer with React Query | ||
| Typed end-to-end (refactor-proof) | ||
| Redux Toolkit + RTK Query patterns | ||
| Zustand + Jotai for global state | ||
| Performance: memo, virtualisation, lazy | ||
| Next.js SSR / ISR / edge strategy | ||
| Real tests with Jest + Cypress | ||
| Companion app + Vite & Next.js starters | ||
| Lifetime updates as the ecosystem evolves |
"React - The Road to Enterprise" is a solid overview of useful patterns and key concepts for developing real-world React applications. Rather than yet another React intro tutorial, it covers practical techniques for topics like project structure, async requests using a home-grown and with React Query [now TanStack Query], state management with Redux and Zustand, routing, bundle management, security, and testing. It's an excellent resource for anyone who is comfortable with the basics of React and is ready to put those into practice in building meaningful applications.
Quick answers
Common questions, up front
- I already use AI. Why pay for a book?
- AI writes the keystrokes. You ship the system. This book teaches the patterns the AI does not — folder architecture, API layer, state model, performance, testing, SSR — so you can review what it generates instead of accepting it.
- What is the AI Rules Bundle?
- Drop-in rule files for the five tools senior teams ship with today: AGENTS.md for OpenAI Codex, AGENTS.md + GEMINI.md + .agent/rules/* for Google Antigravity, .cursor/rules/*.mdc for Cursor, CLAUDE.md for Claude Code, and .windsurfrules for Windsurf. Each file encodes the book’s architecture and patterns as terse, imperative rules.
- Will my AI actually use these rules?
- Codex picks up AGENTS.md from the repo root automatically. Antigravity reads AGENTS.md + GEMINI.md, plus granular rules from .agent/rules/. Cursor reads .cursor/rules/*.mdc (legacy single-file .cursorrules is no longer loaded in Agent mode). Claude Code reads CLAUDE.md at the start of every session. Windsurf reads .windsurfrules. Drop them in your repo root and the next prompt starts following them.
Table of contents
14 production chapters
Each chapter ends with a working pattern you can lift straight into your codebase.
- 01
Introduction
- 02
Project Configuration and Useful Extensions
- 03
Scalable and Maintainable Project Architecture
- 04
API Layer and Managing Async Operations
- 05
Managing APIs with API Layer and React-Query
- 06
State Management Patterns in React Apps
- 07
Modern Redux - Global State Management with Redux Toolkit
- 08
Global State Management with Zustand and Jotai
- 09
Advanced Component Patterns
- 10
Managing Application Layout
- 11
Performance Optimisation
- 12
Application Security
- 13
React Testing - Best Practices For Writing Future-Proof Tests
- 14
Static Site Generation (SSG), Incremental Site Regeneration (ISR) and Server Side Rendering (SSR) with Next.js
Inside the book
Topics, by theme
A fast scan of the patterns and techniques you'll learn — grouped so you can see exactly where your weak spots are.
Architecture & setup
- Folder structure for 50+ component projects
- Vite and Next.js configured for production
- ESLint, Prettier, Stylelint, PostCSS the right way
- Path aliases, environment splits, and module boundaries
Data & state
- React Query as a real API layer (not a cache trick)
- Redux Toolkit and RTK Query, typed end-to-end
- Zustand and Jotai for slices and atoms
- useReducer + Immer for complex local state
Component patterns
- Compound components, render props, and slots
- Polymorphic components with full type inference
- Composition over configuration that actually scales
- Dynamic layouts and route-driven UIs
Performance
- React Profiler-driven optimisation
- memo, useMemo, useCallback (when each helps and when it lies)
- List virtualisation and infinite scrolling
- Code-splitting, lazy loading, and bundle audits
Next.js & shipping
- SSG, SSR, ISR, and edge middleware per route
- Auth, route protection, and session strategies
- Real testing with Jest, Testing Library, and Cypress
- Security, headers, and Core Web Vitals
Who is this book for
Not a beginner's guide. A senior toolkit
This isn't a beginner's guide. You should already be comfortable with JavaScript, the basics of TypeScript, and React fundamentals like hooks, state, and lifecycles. If you ship code with Cursor, Copilot, or Claude Code and want to actually review what they produce, you're in the right place.
The book is written hands-on. Every concept comes with a working example you can run, modify, and steal from. Read it at your laptop, not on the train.
This book is a great resource for:
- React developers who ship code with AI assistants and want senior eyes on the output.
- Senior engineers cleaning up AI-assisted PRs from juniors and aligning their team on patterns.
- Solo builders and indie hackers shipping production apps with Cursor or Claude as their main IDE.
Companion app
A working companion app
Every code example in the book exists as a runnable React project. Permissions, lazy loading, API services, layouts — open the source, copy what you need, drop it into your project. No retyping. No "left as an exercise to the reader."
Enterprise boilerplates
Vite & Next.js enterprise boilerplates
The Complete package ships with pre-configured Vite and Next.js starters: the architecture from the book, baked in. ESLint, Prettier, Stylelint, PostCSS, SCSS, sensible defaults. Clone, run, build. Designed for medium-to-large projects so you don't burn week one on plumbing.
- Opinionated folder structure ready to scale
- Linting and formatting wired up out of the box
- CI-friendly scripts and conventions
- Easy to customise if your team uses different tools
vite.config.ts
↳ src/app/ · src/features/ · src/shared/
↳ eslint, prettier, stylelint preconfigured
next.config.mjs
↳ app/ router + middleware/ + edge funcs
↳ CI, testing, and bundle audit ready
For your AI, too
AI Rules Bundle in the box
The Complete package ships a drop-in rules bundle so Codex, Antigravity, Cursor, Claude Code, and Windsurf follow the book’s patterns on every prompt.
OpenAI Codex
AGENTS.md
Codex reads AGENTS.md from the repo root automatically. Cross-tool baseline; one file teaches Codex the architecture.
Google Antigravity
AGENTS.md + GEMINI.md + .agent/rules/
Antigravity reads the cross-tool AGENTS.md plus a GEMINI.md override. Granular workspace rules live in .agent/rules/ with activation modes.
Claude Code
CLAUDE.md
Master rules file Claude reads at the start of every session. Drop in the repo root.
Cursor
.cursor/rules/*.mdc
Modern .mdc directory format with per-domain frontmatter (alwaysApply, globs). Loaded in Chat, Composer, and Agent. No legacy .cursorrules.
Windsurf
.windsurfrules
Single-file rules Windsurf loads when the workspace opens.
Versioned in changelog.md. Free lifetime updates — you get every bundle revision as new patterns ship.
Bonus videos
Three bonus videos with the Complete package
Standalone screencasts that go deeper on the topics most readers ask about.
Debugging Performance with React Profiler
Use the React Profiler to find render hot-paths, eliminate wasted renders, and fix performance bottlenecks before they ship.
Compound Components Pattern
Build a flexible Tabs component with hooks and Context that gives users full control over layout and style — without prop explosions.
Cleaner Code with Modern JavaScript
Modern JS features that keep your codebase readable and your mental model small as the project grows.
Everything you get
More than a book
The 400+ page book
PDF with searchable text, dark and light themes.
AI Rules Bundle
AGENTS.md, GEMINI.md, CLAUDE.md, .windsurfrules, .cursor/rules/*.mdc, and .agent/rules/ — ready to drop in your repo for Codex, Antigravity, Cursor, Claude Code, and Windsurf (Complete package).
Companion app
Every code example as a running, navigable React project.
Vite & Next.js boilerplates
Pre-configured starters with the architecture from the book baked in.
Bonus videos
Compound Components, React Profiler deep dive, and modern JS techniques.
Lifetime updates
Every revision — including React 19+ and future Next.js majors — is free.
7-day refund
Not for you? Email within 7 days for a full no-questions refund.
About the author
Written by Thomas Findlay
What developers say about Thomas
Trusted by the developers he's mentored
Before he wrote the book, he spent years 1:1 with hundreds of developers, debugging real codebases. Some of what they had to say:
Thomas has been instrumental in my development as a web developer. In particular his knowledge of Node, front-end frameworks, and JavaScript in general, as well as a variety of web development concepts, has really helped me to rapidly build up my skills and understanding. He has been very thorough in code reviews, is quick to understand the purpose and structure of my apps, and evaluate them based on his knowledge of best-practice. I look forward to more sessions with him!
Thomas is absolutely BRILLIANT! I spent more than 30 hours on a feature, which 30 hours didn't even get me near as far as I hoped... Then when I was at my wits end with fighting this build out. Thomas was able to assist me in a matter of 2 hours, and that was including a little fancy styling... I absolutely RECOMMEND THOMAS!!! THANKS THOMAS!!
This guy is the best developer I have ever encountered in my entire career, he understands everything in seconds, and guides you through the solution in the clearest way possible, definitively hire him right now.
Testimonials
Five-star feedback from engineers shipping at scale.
Most tutorials and books teach you fundamentals of React but they don't help much when it comes to best practices or how your code should scale to production levels. Not only will you learn how to code but you will see real applications, testing using modern industry techniques and a very in depth step by step guide showing you how to do everything. If your goal is to stand out in the Marketplace as a React developer, this is the book you should be reading to make that happen. 10/10 definitely recommend.
Danny Thompson · Director at Atlassian
I've been reading React - The Road To Enterprise from Thomas and so far I learned:
- 1. I don't know as much as I thought
- 2. I have no clue how you design such clean code
- 3. I want to keep reading because I want to LEARN more
Great call buying the book. The quality is really top-notch, and it teaches non-trivial stuff that is relevant to our day-to-day job.
Definitely a gem. Go grab it if you are serious about web development!
Pricing
Start The Road To Enterprise
Choose the package that suits you and join thousands of developers who learn from Thomas.
…and if for some reason you don't think it's for you, just let me know within a week. You will get a refund with no questions asked ;)
The Essentials
The 400+ pages TypeScript Edition book in a PDF format
Compound Components Pattern (video)
Free lifetime access to all book updates
The Complete Package
The 400+ pages TypeScript Edition book in a PDF format
The Companion App with full code examples, components, services, and more
Pre-configured Vite and Next boilerplates
Compound Components Pattern (video)
Debugging Performance Bottlenecks with React Profiler (video)
How to write cleaner and better code using modern JavaScript features (video)
Free lifetime access to all book, companion app, and enterprise boilerplate updates
FAQ
Frequently asked questions
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