Note

typeof keyword

type/value level

Representing function type

• async function
• ReturnType, Parameters, Awaited

keyof keyword

union vs discriminated union vs enum

Extract and Exclude

• Pick and Omit

Indexed access

• object
• tuple/array
• as const for literal values

Template literals

• Union
• Utility for template literals like Uppercase, Lowercase, Capitalize, Uncapitalize etc.

Record

Generics