Types

• Arrays
• Enums
• Generics
• Intersection Type
• Literal Types
• Mapped Type
• Never Type
• Primitive Types
• Recursive Conditional Types
• Tuple Type
• Union Type

Objects

• Classes
• Inline Type Annotation
• Interfaces

Functions

• Functions

Declarations

• Ambient Declarations
• lib.d.ts

Syntax

• Callable
• Discriminated Union
• Index Signatures
• Readonly
• Type Alias
• Type Assertion
• Type Guard

Clauses

• as

Keywords

• in

Configuration

• Flags

Books

• TypeScript Deep Dive
• Style Guide

Changes

• 4.0
• 4.1