fix: added support for "missing" matcher (#1905)

* fix: added support for missing matcher

* fix: prettier fix

* fix: removed skip from missing matcher tests

* fix: updatiing demo to showcase missing matcher

* fix: added new cookie testing page for missing matcher

---------

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: taty2010

demos/middleware/middleware.ts

@@ -59,13 +59,25 @@ export async function middleware(req: NextRequest) {
     return response
   }
 
+  if(pathname.startsWith('/matcher-cookie')) {
+    response = NextResponse.next()
+    response.cookies.set('missingCookie', 'true')
+    return response
+  }
+
   if (pathname.startsWith('/conditional')) {
     response = NextResponse.next()
     response.headers.set('x-modified-edge', 'true')
     response.headers.set('x-is-deno', 'Deno' in globalThis ? 'true' : 'false')
     return response
   }
 
+  if (pathname.startsWith('/missing')) {
+    response = NextResponse.next()
+    response.headers.set('x-cookie-missing', 'true')
+    return response
+  }
+
   if (pathname.startsWith('/shows')) {
     if (pathname.startsWith('/shows/222')) {
       response = NextResponse.next()
@@ -119,6 +131,7 @@ export const config = {
     '/headers',
     { source: '/static' },
     { source: '/cookies' },
+    { source: '/matcher-cookie'},
     { source: '/shows/((?!99|88).*)' },
     {
       source: '/conditional',
@@ -130,5 +143,14 @@ export const config = {
         },
       ],
     },
+    {
+      source: '/missing',
+      missing: [
+        {
+          type: 'cookie',
+          key: 'missingCookie',
+        }
+      ],
+    },
   ],
 }

demos/middleware/pages/matcher-cookie.js

@@ -0,0 +1,9 @@
+const MatcherCookie = () => {
+  return (
+    <div>
+      <p>The cookie "missingCookie" should be set to true</p>
+    </div>
+  )
+}
+
+export default MatcherCookie

demos/middleware/pages/missing.js

@@ -0,0 +1,13 @@
+import * as React from 'react'
+import Link from 'next/link'
+
+const Missing = () => {
+  return (
+    <div>
+      <p>Will Check if 'missingCookie' is missing and display headers</p>
+      <p>To test go to <Link href="/matcher-cookie">cookies page</Link> and come back</p>
+    </div>
+  )
+}
+
+export default Missing

package-lock.json

@@ -4,7 +4,7 @@
   "description": "Run Next.js seamlessly on Netlify",
   "scripts": {
     "build:demo": "cd demos/default && npm run build",
-    "cy:open": "cypress open --config-file cypress/config/canary.json",
+    "cy:open": "cypress open --config-file cypress/config/all.json",
     "dev:demo": "next dev demos/default",
     "format": "run-s format:check-fix:*",
     "format:ci": "run-s format:check:*",

package.json

@@ -31,6 +31,7 @@ export interface MiddlewareMatcher {
   regexp: string
   locale?: false
   has?: RouteHas[]
+  missing?: RouteHas[]
 }
 
 // This is the format after next@12.3.0