HTTP Request Inspector

This module can be used to trace HTTP(S) requests that utilize the core Node.js http and https modules. This module is not intended for any sort of "production" usage. It is designed to provide inspection of requests in order to understand the details of those requests so that some application can be written against them.

For example, let's assume you need to write an HTTP server to provide mock responses for a remote service in order to facilitate local unit testing, and that the remote service only provides HTTPS access. Utilizing this module, you can write a client to interact with that remote service and get all request details without needing to utilize some sort of self-signed TLS certificate in the middle of the conversation.

Important

The nature of this module necessitates a singleton based design. This has the consequence of the internal request collection being universal.

Example

const http = require('node:http')
const inspect = require('./index')
const requests = inspect({ mod: http })

const req = http.request('https://httpbin.org/stream/5', (res) => {
  res.on('end', () => {
    const [, data] = requests.shift()
    console.dir(data)
    /*
    {
      outgoing: {
        method: 'GET',
        path: '/stream/5',
        headers: {
          host: 'httpbin.org'
        },
        body: Buffer(0)
      },
      incoming: {
        statusCode: 200,
        headers: {
          // all incoming response headers
        },
        body: Buffer(940)
      }
    }
    */
  })
})
req.end()