Astro.cookies implementation (#4876)

* Astro.cookies implementation

* Remove unused var

* Fix build

* Add a changesetp

* Remove spoken-word expires

2 files changed, 17 insertions, 1 deletions

diff --git a/packages/integrations/netlify/src/netlify-edge-functions.ts b/packages/integrations/netlify/src/netlify-edge-functions.ts
index a2c883585..c788b5f67 100644
--- a/packages/integrations/netlify/src/netlify-edge-functions.ts
+++ b/packages/integrations/netlify/src/netlify-edge-functions.ts
@@ -17,7 +17,13 @@ export function createExports(manifest: SSRManifest) {
 		if (app.match(request)) {
 			const ip = request.headers.get('x-nf-client-connection-ip');
 			Reflect.set(request, clientAddressSymbol, ip);
-			return app.render(request);
+			const response = await app.render(request);
+			if(app.setCookieHeaders) {
+				for(const setCookieHeader of app.setCookieHeaders(response)) {
+					response.headers.append('Set-Cookie', setCookieHeader);
+				}
+			}
+			return response;
 		}
 
 		return new Response(null, {
diff --git a/packages/integrations/netlify/src/netlify-functions.ts b/packages/integrations/netlify/src/netlify-functions.ts
index 94c9b6eee..7945b4687 100644
--- a/packages/integrations/netlify/src/netlify-functions.ts
+++ b/packages/integrations/netlify/src/netlify-functions.ts
@@ -120,6 +120,16 @@ export const createExports = (manifest: SSRManifest, args: Args) => {
 			}
 		}
 
+		// Apply cookies set via Astro.cookies.set/delete
+		if(app.setCookieHeaders) {
+			const setCookieHeaders = Array.from(app.setCookieHeaders(response));
+			fnResponse.multiValueHeaders = fnResponse.multiValueHeaders || {};
+			if(!fnResponse.multiValueHeaders['set-cookie']) {
+				fnResponse.multiValueHeaders['set-cookie'] = [];
+			}
+			fnResponse.multiValueHeaders['set-cookie'].push(...setCookieHeaders);
+		}
+
 		return fnResponse;
 	};