How to check if an object is of type IncomingMessage (NodeJS)

Question

I don't know how to make an import of a NodeJS class, to check an object.

Basically I want to do this:

if (context.req instanceof IncomingMessage)

user_5808504 · Answer

Import / require the http module:

const http = require('http')

//

if (context.req instanceof http.IncomingMessage) {
    //
}