What are TypeScript interfaces?

Interfaces in TypeScript are one of the most impressive features that define the shape or structure an object must take, including properties and types it should contain. It acts like a contract, ensuring an object follows a specific structure. Hence, it enhances code readability and makes debugging easy. Interfaces are very useful in specifying complicated data models of an application. They also support inheritance, making the definition of objects reusable and extendable. This is a crucial feature for big projects where maintainability is needed. By enforcing a consistent structure, TypeScript interfaces contribute to more robust, organized, and type-safe code.