Books

From KNN to LLMs: build real AI applications in TypeScript — no GPU required. Implement machine learning from scratch, train neural networks with TensorFlow.js, integrate Google Gemini and OpenAI APIs, run local models with Ollama, build a chess engine with alpha-beta search, and query the world's knowledge graphs with SPARQL — all from the command line.

A practical frontend interview reference covering modern React and TypeScript development (535 manuscript pages).

Learn Next.js by building a real AI-powered application, from project setup to production deployment. This book covers the complete journey: TypeScript, React, Next.js App Router, Prisma, authentication, the Vercel AI SDK (chat, RAG, tool calling), testing, security, and deployment. One project, 28 chapters, no toy demos.

50 TypeScript F*ck Ups (Mistakes) and How to Avoid Them is a collection of common and challenging trouble spots that trip up JS and TypeScript developers, along with tips on how to recognize and resolve them. You’ll find troubleshooting tips on everything from basic mistakes like ignoring compiler warnings, to advanced patterns and tips for using JavaScript and TypeScript with your favorite libraries and frameworks. Throughout, each mistake and fix is illustrated with bite-sized examples, and easy-to-read code samples. You’ll soon be writing quality code faster than ever before!

A hands-on guide to applying Domain-Driven Design in real-world serverless applications. In around 100 pages, you'll learn how to structure your Serverless app, using DDD patterns that work in production. If you're a busy developer who wants clarity, this book is for you.

Stop memorizing hooks. Start understanding how React Native rendering, state, effects, and re-renders really work.

This book is built on one idea: the fastest way for a Rubyist to learn TypeScript is to map every TypeScript concept back to Ruby. Each chapter starts with Ruby code you already understand, then shows the TypeScript equivalent. You’re not learning from scratch — you’re translating. Take everything you know about Ruby — classes, hashes, exceptions, enumerable methods, blocks — and translate it directly to TypeScript. No fluff, no abstract theory, just runnable Ruby-to-TypeScript comparisons with hands-on exercises.

Build TypeScript applications that are easier to reason about, safer to change, and simpler to test. Learn Effect v3 through practical examples that turn async chaos into composable, reliable code

🚀 Master the Future of Test Automation with AI + PlaywrightAre you ready to become a next-generation Automation Engineer?This book is your complete guide to mastering Playwright automation with the power of Artificial Intelligence. Whether you're a beginner or an experienced tester, this book will help you build smarter, faster, and more reliable automation frameworks.Inside this book, you will learn:✔ Playwright from basics to advanced (TypeScript focused) ✔ How to use AI to generate test cases and scripts ✔ Self-healing automation using AI ✔ Smart test execution and flaky test handling ✔ API, performance, and security testing with AI ✔ CI/CD integration with intelligent automation ✔ Real-world case study and production-ready framework ✔ Interview preparation for AI-powered testing rolesThis book is designed for: • Manual testers transitioning to automation • Automation engineers upgrading to AI-driven testing • QA professionals preparing for high-paying jobsBy the end of this book, you will be able to: ✅ Build AI-powered automation frameworks ✅ Use Playwright like a pro ✅ Crack automation testing interviews confidentlyStart your journey toward becoming an AI-powered QA expert today!

Learn how to build scalable test automation pipelines using Playwright and modern DevOps tools. This practical guide teaches automation engineers how to integrate Playwright with CI/CD pipelines using GitHub Actions, Jenkins, and Docker. Inside this book you will learn: • Building Playwright automation frameworks • Running tests in CI/CD pipelines • Parallel test execution and scaling automation • Docker container testing • Jenkins and GitHub Actions integration • Real-world DevOps automation projects This book is designed for QA engineers, automation testers, and DevOps engineers who want to build modern test automation pipelines.

Are you ready to move from writing automation scripts to designing enterprise-grade automation systems?Most automation engineers know how to write tests. Very few know how to design scalable, maintainable, CI/CD-ready automation frameworks.This book teaches you how to think like a Senior SDET or Test Architect.Inside this book, you will learn:• How to design a layered automation framework from scratch • Enterprise-level Page Object Model implementation • Test data strategy for parallel execution • Logging, reporting, and CI/CD integration • Cloud and cross-browser execution architecture • Flaky test handling at scale • Framework governance and versioning • Converting a framework into an organization-wide automation platform • Real senior-level interview questions & answersBuilt using Playwright and TypeScript, this book focuses on real-world architecture patterns used in modern product companies.If you want to:• Crack senior automation interviews • Increase your salary potential • Become an Automation Lead or Architect • Build frameworks that scale to thousands of testsThis book is your blueprint.Automation is not about writing scripts. It’s about designing systems.

🚀 The Future of Test Automation Is Intelligent.Traditional automation frameworks are no longer enough.Modern enterprises demand:Predictive regression intelligenceAI-powered failure analysisRisk-based execution strategiesCI/CD cost optimizationGovernance-aware AI integrationThis book goes beyond scripts and frameworks.It teaches you how to design an AI-augmented enterprise automation platform using Playwright.Inside this book, you will learn how to:✔ Architect scalable Playwright frameworks ✔ Integrate AI for failure analysis and test generation ✔ Implement embedding-based failure clustering ✔ Build synthetic test data engines ✔ Design AI locator healing advisory systems ✔ Implement predictive regression scoring ✔ Detect anomalies before production impact ✔ Enforce governance and compliance controls ✔ Scale automation across enterprise teams ✔ Position yourself as an AI Automation ArchitectThis is not a beginner guide.This is an architect-level blueprint for building intelligent quality systems.Whether you are a Senior SDET, QA Lead, Automation Architect, or DevOps Engineer — this book provides the roadmap to transform automation into a strategic business capability.The future of QA is predictive, governed, and AI-augmented.Are you ready to design it?

Automation testing is one of the most in-demand skills for modern software testers. However, many testers struggle when learning Playwright because they lack the programming foundation required for automation. This book solves that problem. Automation testing is one of the most in-demand skills for modern software testers. However, many testers struggle when learning Playwright because they lack the programming foundation required for automation. This book solves that problem. Inside this book, you will learn: • JavaScript fundamentals for automation testing • Modern ES6 concepts used in Playwright • TypeScript essentials for automation engineers • Writing Playwright automation tests from scratch • Designing scalable automation frameworks • Page Object Model implementation • Test data management strategies • Parallel execution and CI/CD integration • Debugging, reporting, and test stability techniques • Real-world automation project architectur By the end of this book, you will understand how to design, build, and scale Playwright automation frameworks used in real software projects. Whether you are a manual tester, beginner automation engineer, or QA professional transitioning to modern testing tools, this guide will help you become job-ready with Playwright automation. Start your journey toward becoming a professional Playwright automation engineer today.

Struggling with Playwright tests that pass locally but fail in CI?You are not alone.Flaky tests are the #1 reason automation suites fail in real companies. This book is your complete practical guide to debugging and stabilizing Playwright tests used in production environments.This is not a theory book. This is a real-world, hands-on guide focused on the skills companies actually hire for.In this book you will learn:• What flaky tests really are and why they happen • The 5 real causes of unstable automation tests • How to use Playwright UI Mode, Headed Mode and PWDEBUG • How to use Trace Viewer — the most powerful debugging tool in Playwright • How to capture screenshots, videos and logs in CI pipelines • The correct waiting strategies that eliminate timing issues • How to handle network delays, loaders and dynamic UI • How to prevent test data conflicts in parallel execution • How to configure retries, timeouts and stability settings • How to debug failures in GitHub Actions and CI/CD pipelines • How companies detect and fix flaky tests at scale • Real Playwright interview questions and answersIf you are: • A Selenium tester moving to Playwright • A QA engineer struggling with CI failures • A developer writing end-to-end tests • Preparing for Playwright automation interviewsThen this book will give you a strong real-world advantage.Stop guessing why tests fail. Start debugging like a professional.Become the automation engineer every team needs.

Become a Job-Ready API Automation Engineer Using PlaywrightAPI testing is now a must-have skill for modern QA engineers. Companies expect testers to validate backend systems, automate workflows, and integrate tests into CI/CD pipelines.This practical guide teaches you how to master API Testing using Playwright and TypeScript from scratch — even if you are transitioning from manual testing.In this book, you will learn how to:✔ Understand APIs, HTTP, and JSON from a tester’s perspective ✔ Write real API automation tests using Playwright ✔ Handle authentication, dynamic data, and environments ✔ Design a scalable API test automation framework ✔ Integrate tests into CI/CD pipelines ✔ Combine API and UI testing for faster automation ✔ Prepare for API testing and Playwright interviewsBy the end of this book, you will have the knowledge and confidence to build professional API automation frameworks and advance your QA career.Perfect for: QA Engineers, Manual Testers, Automation Testers, SDET Aspirants