A no-nonsense guide to all the essentials you’ll need to become a TypeScript wizard and build a TypeScript application from scratch.“An invaluable resource to countless developers.”
—Ryan Cavanaugh, Development Lead Microsoft TypeScript Team TypeScript makes JavaScript safer and your editor smarter. Matt Pocock’s
Total TypeScript courses have trained thousands of developers by putting the editor first: You learn types by watching what TypeScript tells you, not by memorizing rules. This book brings that method to print.
You’ll start by setting up a proper TypeScript environment, then immediately begin writing and annotating code. Each chapter builds on the last—primitive types to unions, objects to classes, basic generics to type transformations—with exercises woven throughout as checkpoints, not afterthoughts.
Later chapters tackle what takes longer to learn: deriving types from other types, writing type predicates and assertion functions, configuring the compiler for real projects, and building type architectures that don’t collapse under their own weight.
You’ll learn to:
- Read TypeScript’s error messages and use your editor as a teaching tool
- Write precise types for objects, functions, and classes
- Use unions, narrowing, and generics to make types flexible without losing safety
- Derive and transform types so you don’t repeat yourself
- Configure tsconfig.json for React, Node, or library development
This is a workshop in print. The one Matt Pocock has been refining for years.
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