chore: update example

Author: ascorbic

demos/middleware/middleware.ts

@@ -3,16 +3,18 @@ import type { NextRequest } from 'next/server'
 
 import { MiddlewareRequest } from '@netlify/plugin-nextjs/middleware'
 
-export async function middleware(request: NextRequest) {
+export async function middleware(req: NextRequest) {
   let response
   const {
     nextUrl: { pathname },
-  } = request
+  } = req
+
+  const request = new MiddlewareRequest(req)
 
   if (pathname.startsWith('/static')) {
     // Unlike NextResponse.next(), this actually sends the request to the origin
-    const res = await new MiddlewareRequest(request).next()
-    const message = `This was static but has been transformed in ${request.geo.city}`
+    const res = await request.next()
+    const message = `This was static but has been transformed in ${req.geo.city}`
 
     // Transform the response page data
     res.transformData((data) => {
@@ -37,14 +39,14 @@ export async function middleware(request: NextRequest) {
 
   if (pathname.startsWith('/api/hello')) {
     // Add a header to the request
-    request.headers.set('x-hello', 'world')
-    return new MiddlewareRequest(request).next()
+    req.headers.set('x-hello', 'world')
+    return request.next()
   }
 
   if (pathname.startsWith('/headers')) {
     // Add a header to the rewritten request
-    request.headers.set('x-hello', 'world')
-    return new MiddlewareRequest(request).rewrite('/api/hello')
+    req.headers.set('x-hello', 'world')
+    return request.rewrite('/api/hello')
   }
 
   if (pathname.startsWith('/cookies')) {
@@ -55,15 +57,15 @@ export async function middleware(request: NextRequest) {
 
   if (pathname.startsWith('/shows')) {
     if (pathname.startsWith('/shows/rewrite-absolute')) {
-      response = NextResponse.rewrite(new URL('/shows/100', request.url))
+      response = NextResponse.rewrite(new URL('/shows/100', req.url))
       response.headers.set('x-modified-in-rewrite', 'true')
     }
     if (pathname.startsWith('/shows/rewrite-external')) {
       response = NextResponse.rewrite('http://example.com/')
       response.headers.set('x-modified-in-rewrite', 'true')
     }
     if (pathname.startsWith('/shows/rewriteme')) {
-      const url = request.nextUrl.clone()
+      const url = req.nextUrl.clone()
       url.pathname = '/shows/100'
       response = NextResponse.rewrite(url)
       response.headers.set('x-modified-in-rewrite', 'true')