Mastering TypeScript
Book 1
Book 2
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Book 1
Book 2
Book 3
Book 1
Book 2
Book 3
Book 1
Book 2
Book 3
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Mastering TypeScript

Mastering TypeScript


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About the Book

For most developers, TypeScript is a tool for safety, a way to add annotations and catch bugs before they happen. But this descriptive layer is just the surface. Beneath it lies a powerful, hidden world of generative programming, a world where you can write code that analyzes, validates, and even builds other code. This is the world of metaprogramming, and it is the key to unlocking true architectural control over your applications. Mastering TypeScript Metaprogramming is your practitioner's guide to this final frontier. This book moves beyond "hello, world" and guides you through the three pillars of TypeScript's "code-that-writes-code" capabilities, from compile-time magic to build-time automation. This is not a book of abstract theory. It is a hands-on roadmap to becoming a framework-builder. You will learn to: Program the Type System: Go beyond string and number and learn to use the type-checker as a powerful, zero-cost programming environment. You will master Type-Level Magic using keyof, typeof, Generics, Conditional Types (extends), infer, and Mapped Types to build "self-healing" types that make incorrect code impossible to write. Master Runtime Metaprogramming: Move from compile-time checks to runtime behavior. You will dive deep into Decorators, demystifying the "magic" behind frameworks like Angular and NestJS. You'll learn the "secret handshake" of reflect-metadata to build your own @Injectable, @Validate, and @Log decorators, reducing boilerplate and separating concerns. Command the Compiler: Go deeper than any framework and learn to manipulate the compiler itself. You will lift the hood on the Abstract Syntax Tree (AST) and learn to use The Compiler API to write custom transformers. You'll build plugins that can remove console.log statements from production builds or even automatically generate methods for your classes. By the time you finish this book, you will no longer be just a consumer of TypeScript. You will be an architect who can build cleaner, smarter, and more maintainable systems, craft elegant APIs, and engineer a world-class Developer Experience (DX) for your team.


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Product Details
  • ISBN-13: 9798274560139
  • Publisher: Independently Published
  • Publisher Imprint: Independently Published
  • ISBN-10: 8274560132
  • Publisher Date: 14 Nov 2025


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