1 files changed, 75 insertions, 0 deletions
diff --git a/packages/integrations/cloudflare/src/entrypoints/server.advanced.ts b/packages/integrations/cloudflare/src/entrypoints/server.advanced.ts
new file mode 100644
index 000000000..957c1791d
--- /dev/null
+++ b/packages/integrations/cloudflare/src/entrypoints/server.advanced.ts
@@ -0,0 +1,75 @@
+import type { Request as CFRequest, ExecutionContext } from '@cloudflare/workers-types';
+import type { SSRManifest } from 'astro';
+import { App } from 'astro/app';
+import { getProcessEnvProxy, isNode } from '../util.js';
+
+if (!isNode) {
+	process.env = getProcessEnvProxy();
+}
+
+type Env = {
+	ASSETS: { fetch: (req: Request) => Promise<Response> };
+};
+
+export interface AdvancedRuntime<T extends object = object> {
+	runtime: {
+		waitUntil: (promise: Promise<any>) => void;
+		env: Env & T;
+		cf: CFRequest['cf'];
+		caches: typeof caches;
+	};
+}
+
+export function createExports(manifest: SSRManifest) {
+	const app = new App(manifest);
+
+	const fetch = async (request: Request & CFRequest, env: Env, context: ExecutionContext) => {
+		// TODO: remove this any cast in the future
+		// REF: the type cast to any is needed because the Cloudflare Env Type is not assignable to type 'ProcessEnv'
+		process.env = env as any;
+
+		const { pathname } = new URL(request.url);
+
+		// static assets fallback, in case default _routes.json is not used
+		if (manifest.assets.has(pathname)) {
+			return env.ASSETS.fetch(request);
+		}
+
+		let routeData = app.match(request, { matchNotFound: true });
+		if (routeData) {
+			Reflect.set(
+				request,
+				Symbol.for('astro.clientAddress'),
+				request.headers.get('cf-connecting-ip')
+			);
+
+			const locals: AdvancedRuntime = {
+				runtime: {
+					waitUntil: (promise: Promise<any>) => {
+						context.waitUntil(promise);
+					},
+					env: env,
+					cf: request.cf,
+					caches: caches,
+				},
+			};
+
+			let response = await app.render(request, routeData, locals);
+
+			if (app.setCookieHeaders) {
+				for (const setCookieHeader of app.setCookieHeaders(response)) {
+					response.headers.append('Set-Cookie', setCookieHeader);
+				}
+			}
+
+			return response;
+		}
+
+		return new Response(null, {
+			status: 404,
+			statusText: 'Not found',
+		});
+	};
+
+	return { default: { fetch } };
+}