From 799b9e7cbf29e0b428b0be1d44c6a2631cbe8788 Mon Sep 17 00:00:00 2001
From: Philipp Viereck <105976309+philippviereck@users.noreply.github.com>
Date: Wed, 25 Oct 2023 23:54:10 +0200
Subject: [PATCH] feat: add cloudflare cf object to `platform` in
 `adapter-cloudflare-workers` (#10873)

---
 .changeset/cuddly-pigs-teach.md                    | 5 +++++
 packages/adapter-cloudflare-workers/ambient.d.ts   | 3 ++-
 packages/adapter-cloudflare-workers/files/entry.js | 4 +++-
 3 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 .changeset/cuddly-pigs-teach.md

diff --git a/.changeset/cuddly-pigs-teach.md b/.changeset/cuddly-pigs-teach.md
new file mode 100644
index 000000000000..a7f3e6b252a7
--- /dev/null
+++ b/.changeset/cuddly-pigs-teach.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-cloudflare-workers': minor
+---
+
+feat: add cloudflare's `request.cf` object to the `event.platform` property
diff --git a/packages/adapter-cloudflare-workers/ambient.d.ts b/packages/adapter-cloudflare-workers/ambient.d.ts
index 5978f0dd3850..fbd01afd6557 100644
--- a/packages/adapter-cloudflare-workers/ambient.d.ts
+++ b/packages/adapter-cloudflare-workers/ambient.d.ts
@@ -1,4 +1,4 @@
-import { CacheStorage } from '@cloudflare/workers-types';
+import { CacheStorage, IncomingRequestCfProperties } from '@cloudflare/workers-types';
 
 declare global {
 	namespace App {
@@ -7,6 +7,7 @@ declare global {
 				waitUntil(promise: Promise<any>): void;
 			};
 			caches: CacheStorage;
+			cf?: IncomingRequestCfProperties;
 		}
 	}
 }
diff --git a/packages/adapter-cloudflare-workers/files/entry.js b/packages/adapter-cloudflare-workers/files/entry.js
index 0969ba1bbf07..0233f9017ae1 100644
--- a/packages/adapter-cloudflare-workers/files/entry.js
+++ b/packages/adapter-cloudflare-workers/files/entry.js
@@ -71,7 +71,9 @@ export default {
 				env,
 				context,
 				// @ts-expect-error lib.dom is interfering with workers-types
-				caches
+				caches,
+				// @ts-expect-error req is actually a Cloudflare request not a standard request
+				cf: req.cf
 			},
 			getClientAddress() {
 				return req.headers.get('cf-connecting-ip');