1 files changed, 34 insertions, 0 deletions
diff --git a/packages/integrations/vercel/src/serverless/entrypoint.ts b/packages/integrations/vercel/src/serverless/entrypoint.ts
new file mode 100644
index 000000000..6ef7ccef9
--- /dev/null
+++ b/packages/integrations/vercel/src/serverless/entrypoint.ts
@@ -0,0 +1,34 @@
+import type { SSRManifest } from 'astro';
+import { App } from 'astro/app';
+import { polyfill } from '@astrojs/webapi';
+import type { IncomingMessage, ServerResponse } from 'node:http';
+
+import { getRequest, setResponse } from './request-transform.js';
+
+polyfill(globalThis, {
+	exclude: 'window document',
+});
+
+export const createExports = (manifest: SSRManifest) => {
+	const app = new App(manifest);
+
+	const handler = async (req: IncomingMessage, res: ServerResponse) => {
+		let request: Request;
+
+		try {
+			request = await getRequest(`https://${req.headers.host}`, req);
+		} catch (err: any) {
+			res.statusCode = err.status || 400;
+			return res.end(err.reason || 'Invalid request body');
+		}
+
+		if (!app.match(request)) {
+			res.statusCode = 404;
+			return res.end('Not found');
+		}
+
+		await setResponse(res, await app.render(request));
+	};
+
+	return { default: handler };
+};