Use Deno API to set Astro.clientAddress (#6651)

* Use Deno API to set Astro.clientAddress

* Add types

Author: matthewp

.changeset/silver-avocados-drum.md

@@ -0,0 +1,5 @@
+---
+'@astrojs/netlify': patch
+---
+
+Use Deno API to set Astro.clientAddress in Netlify Edge

packages/integrations/netlify/package.json

@@ -42,6 +42,7 @@
     "astro": "workspace:^2.2.0"
   },
   "devDependencies": {
+    "@netlify/edge-functions": "^2.0.0",
     "@netlify/edge-handler-types": "^0.34.1",
     "@types/node": "^14.18.20",
     "astro": "workspace:*",

packages/integrations/netlify/src/netlify-edge-functions.ts

@@ -1,12 +1,13 @@
 import type { SSRManifest } from 'astro';
+import type { Context } from '@netlify/edge-functions';
 import { App } from 'astro/app';
 
 const clientAddressSymbol = Symbol.for('astro.clientAddress');
 
 export function createExports(manifest: SSRManifest) {
 	const app = new App(manifest);
 
-	const handler = async (request: Request): Promise<Response | void> => {
+	const handler = async (request: Request, context: Context): Promise<Response | void> => {
 		const url = new URL(request.url);
 
 		// If this matches a static asset, just return and Netlify will forward it
@@ -15,7 +16,9 @@ export function createExports(manifest: SSRManifest) {
 			return;
 		}
 		if (app.match(request)) {
-			const ip = request.headers.get('x-nf-client-connection-ip');
+			const ip = request.headers.get('x-nf-client-connection-ip')
+				|| context?.ip
+				|| (context as any)?.remoteAddr?.hostname;
 			Reflect.set(request, clientAddressSymbol, ip);
 			const response = await app.render(request);
 			if (app.setCookieHeaders) {