Instruction: Discuss what type aliases are, how they are used, and any limitations they might have.
Context: This question digs into the candidate's understanding of type aliases, their usage, and the potential drawbacks or limitations that come with their use in TypeScript.
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For instance, if we're dealing with user data, instead of repeatedly using a complex object type, we can define a type alias like type User = { name: string; age: number; };. This makes our code cleaner and our intention clearer to both the compiler and any developer who might work on the code in the future.
Type aliases are versatile, allowing us to define a new name for a wide range of types, from primitives to object types and union types. This flexibility is crucial in large codebases or libraries, enabling us to abstract away complexity and focus on the business logic....