Mapped Types

# Mastering Mapped Types in TypeScript: A Definitive Guide Tired of writing repetitive type definitions? Do you find yourself copy-pasting type structures, only to make minor adjustments? TypeScript's **Mapped Types** are your superpower for generating new types based on existing ones, transforming properties, and significantly reducing boilerplate. Imagine being able to automatically create a type that makes all properties of another type optional, readonly, or even dynamically transfor