Explain the use of the `switchToHttp` or `switchToWs` methods in a Nest.js guard or interceptor.

Question

In what situations would you use the `switchToHttp` or `switchToWs` methods in a Nest.js guard or interceptor?

Accepted Answer

To access the underlying context, such as the HTTP request object or Web socket object, from the context execution

Answer

Transforms the response to an HTTP request into a WebSocket response.

Answer

To enable or disable WebSockets in the application.

Answer

To change the application's communication protocol on the fly.

Question from the Nest.js test