Summary

Boris Cherny opens from the problem Facebook, Google, and Microsoft each independently solved by adding a gradual static type layer to a dynamic language: code that scales in size and in number of engineers needs types the compiler can check. Written for programmers with intermediate JavaScript experience, the book works from TypeScript's basic type system through type inference, classes and interfaces, and advanced types, then into async programming, framework interop, namespaces and modules, and the build toolchain. It treats TypeScript's type system as something with its own design logic worth understanding deeply, not as JavaScript with annotations bolted on.

Target Readers

• JavaScript developers moving to TypeScript who want the type system's underlying logic, not just enough syntax to silence errors
• Engineers on a growing codebase who need generics and advanced types explained from first principles
• Developers who use TypeScript day to day but have never worked through how its type inference actually reasons about their code

Colophon

Publisher

オライリー・ジャパン

ISBN

978-4873119045

Published

Mar 2020

List price

¥3,740incl. taxMay differ from the actual selling price on Amazon