astro/.changeset/long-lions-do.md

astro
minor

Adds a new property isPrerendered to the globals Astro and APIContext . This boolean value represents whether or not the current page is prerendered:

---
// src/pages/index.astro

export const prerender = true
---

// src/middleware.js

export const onRequest = (ctx, next) => {
  console.log(ctx.isPrerendered) // it will log true
  return next()
}