Can you guide me on how to specify the return type in NestJS for the Session User in a request?


async authenticated(@Req()  request: Request) {
    const user = request.user

    return user
  }

It is important for the 'user' variable to have the correct type globally.

While working with express passport, I came across the following:

declare global {
    namespace Express {
        // tslint:disable-next-line:no-empty-interface
        interface AuthInfo {}
        // tslint:disable-next-line:no-empty-interface
        interface User {}
  }
}

How can I ensure that this interface in nestjs has the proper assigned type?

Answer №1

In Typescript, you can define the function like this:

function displayNumber(x: number): string {
  return `The number is ${x}`;
}

The output type for this code snippet is string.

To explore more examples, refer to the official documentation.

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