Explore the features of this innovative open source language in depth, from working with the type system through object-orientation to understanding the runtime and the TypeScript compiler. This fully revised and updated second edition of Steve Fenton’s popular book covers everything you need to discover this fascinating language and transform your experience of JavaScript development.

What’s New in This Edition





Coverage of major changes to modules, namespaces, and module loading

New guidance on how to use inference to reduce the effort of using TypeScript

Recommendations on compiler options

A wide range of feature updates from intersections and tuples to async/await and the new approach to mixins



What You’ll Learn





Understand the TypeScript type system, and how to use it effectively

Apply object-oriented design using TypeScript

Use modules effectively to manage large programs

Integrate existing frameworks and libraries into your TypeScript program



Who This Book Is For

Web developers looking for a modern approach to JavaScript development