The ReturnType
in TypeScript is a utility type that is quite similar to the Parameters Type. It lets you take the return output of a function, and construct a type based on it.
The ReturnType Utility Type
The ReturnType
utility type is very useful in situations where the output of a specific function needs to be taken in by another function. In that scenario, you might create a new, custom type, that the output of a function constrains itself to.
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