GraphQL on TypeScript: A Complete Guide to Modern API Development

This book is a practical guide to building modern APIs using GraphQL and TypeScript. You will progress from the basics to deploying a production-ready solution, mastering all key concepts and best practices.

Who this book is for:

• Backend developers working with Node.js and TypeScript
• Frontend developers wanting to deepen their understanding of APIs
• Fullstack engineers looking to master a modern stack
• Anyone wanting to transition from REST to GraphQL

What you will learn:

• GraphQL basics: types, queries, mutations, subscriptions
• Designing an efficient data schema
• Integrating TypeScript for strict typing
• Working with Apollo Server and Apollo Client
• Creating complex resolvers and error handling
• Subscriptions and real-time functionality
• Testing GraphQL APIs
• Security, authentication, and authorization
• Query optimization and pagination
• Deployment and monitoring of a production solution

The book contains numerous practical examples and ready-made projects. You will learn to create scalable, typed, and performant APIs that are easy to maintain and evolve. Special attention is given to TypeScript — from basic setup to advanced typing techniques for GraphQL schemas.

Each chapter includes exercises to reinforce the material. At the end of the book, you will find a full-fledged project — a task management system with subscriptions, authentication, and tests.

Regardless of your current level, after reading this book you will be able to confidently design and develop GraphQL APIs in TypeScript for any task — from small services to enterprise applications.