Is it possible to do url rewrite like Nextjs in middleware?

Want to build a white-label solution and would like to use a similar approach using middleware to rewrite to a directory based on the host for example.

https://github.com/vercel/platforms/blob/main/middleware.ts

GitHub

A full-stack Next.js app with multi-tenancy and custom domain support. Built with Next.js App Router and the Vercel Domains API. - vercel/platforms