What are some practical uses of conditional types in TypeScript?

What are some practical uses of conditional types in TypeScript?

Conditional types in TypeScript allow you to create types based on conditions. For example, you can use them to create types that depend on whether a certain type is assignable to another.

Can you give me an example of how to use conditional types?

Sure! Here's a simple example: type IsString<T> = T extends string ? 'Yes' : 'No'; This type checks if T is a string.

What are the benefits of using conditional types?

They enhance type safety and allow for more flexible and reusable code. You can create complex types that adapt based on input types.

Are there any limitations to using conditional types?

Yes, they can make types more complex and harder to read. Also, excessive use can lead to performance issues in large codebases.