Using built-in utility types in TypeScript

TypeScript's powerful type system, designed to handle JavaScript's dynamic nature, includes built-in utility types that offer advanced type functions crucial for type manipulation and transformation. These utility types, such as Awaited, Partial, Required, Readonly, Pick, and Omit, improve code reusability, readability, maintainability, and type safety, while boosting development productivity by reducing repetitive type definitions. However, they may not always be suitable, especially when customized behavior, over-engineering, or limited control is a concern. The guide explores these utility types with practical examples, demonstrating how they transform and derive new types from existing ones, perform conditional type checks, and extract type information, enhancing the expressiveness and flexibility of TypeScript's type system. Additionally, the article emphasizes using these built-in utilities over custom ones to save time and maintain clarity, drawing on the expertise of the TypeScript community.