refactor(@angular/ssr): drain node stream

Author: alexfriesen

packages/angular/ssr/node/src/response.ts

@@ -8,6 +8,7 @@
 
 import type { ServerResponse } from 'node:http';
 import type { Http2ServerResponse } from 'node:http2';
+import type { ReadableStreamReadResult } from 'node:stream/web';
 
 /**
  * Streams a web-standard `Response` into a Node.js `ServerResponse`
@@ -71,7 +72,10 @@ export async function writeResponseToNodeResponse(
         break;
       }
 
-      (destination as ServerResponse).write(value);
+      const canContinue = (destination as ServerResponse).write(value);
+      if (!canContinue) {
+        await new Promise<void>((resolve) => destination.once('drain', resolve));
+      }
     }
   } catch {
     destination.end('Internal server error.');