Sometimes, we want to obtain the return type of a function with TypeScript.

In this article, we’ll look at how to obtain the return type of a function with TypeScript.

How to obtain the return type of a function with TypeScript?

To obtain the return type of a function with TypeScript, we can use the ReturnType type.

For instance, we write

type T10 = ReturnType<() => string>;

to get the type of of the () => string function type and assign it to T10.

Therefore T10 is string.

Conclusion

To obtain the return type of a function with TypeScript, we can use the ReturnType type.