TypeScript Documentation

Get Started

• TypeScript for JS Programmers
• TS for Functional Programmers

Handbook

A great first read for your daily TS work.

• The Basics
• Narrowing
• Object Types

• Type Manipulation

• Generics
• Typeof Type Operator
• Conditional Types
• Modules

We also have an and pdf version of the Handbook.

Reference

Deep dive reference materials.

• Utility Types
• Declaration Merging
• Iterators and Generators
• Mixins
• Module Resolution
• Namespaces and Modules
• Triple-Slash Directives
• Type Inference

Tutorials

Using TypeScript in several environments.

• Gulp
• Migrating from JavaScript

Declaration Files

Learn how to write declaration files to describe existing JavaScript. Important for DefinitelyTyped contributions.

• Declaration Reference

• Modules .d.ts

• Module: Class
• Global .d.ts
• Deep Dive
• Consumption

JavaScript

How to use TypeScript-powered JavaScript tooling.

• JS Projects Utilizing TypeScript
• JSDoc Reference

Project Configuration

• Compiler Options in MSBuild
• tsc CLI Options
• Integrating with Build Tools
• Nightly Builds

Get Started

• Bootstrap a TS project
• New to Programming
• Functional to JS

Handbook

• Advanced Types
• Variable Declarations

Tools

• TSConfig Reference

Release Notes

• What’s new in 4.4

Tutorials

• ASP.NET
• React & Webpack