feat: expose X-ArNS-* headers for CORS requests

Gives browsers cross domain domain access to X-ArNS-* headers. This simplifies construction of browser based gateway behavior observation apps.
ar-io · Oct 13, 2023 · ee03255 · ee03255
1 parent ac5fb06
commit ee03255
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/app.ts b/src/app.ts
@@ -39,7 +39,11 @@ if (config.START_WRITERS) {
 // HTTP server
 const app = express();
 
-app.use(cors());
+app.use(
+  cors({
+    exposedHeaders: ['X-ArNS-Resolved-Id', 'X-ArNS-TTL-Seconds'],
+  }),
+);
 
 app.use(arnsRouter);
 app.use(openApiRouter);