response

This is were the first instance of NextResponse is intiated. Default value is NextResponse.next() but you can customize it and even provide a function to generate it.

Callbacks Order

The response journey starts here.
It's passed through the beforeAll callback
If available goes through the beforeAll callback of the hostname middleware
The actual handler if exists or the default one

// step 1
function responseFactory() : NextResponse {
  const res = NextResponse.next()
 
  // whatever
  res.cookies.set('appVersion', '0.0.1')
 
 
  return res
}
 
export default handlePaths([
  {
    hostname: /app\./,
    // step 3
    beforeAll: (req, res) => {
      // do checks or whatever
      return res
    },
    handler: [
      {
        path: '/:path*',
        // step 4
        handler: (req, res) => {
          // do stuff
          return res
        }
      }
    ]
  }
], {
  response: responseFactory,
  // step 2
  beforeAll: (req, res) => {
    res.cookies.set('my-cookie', 123.toString())
    return res
  }
})

context Filter by Request Method