2 files changed, 7 insertions, 1 deletions
diff --git a/src/js/builtins/BunBuiltinNames.h b/src/js/builtins/BunBuiltinNames.h
index 1897f939e..776f39fec 100644
--- a/src/js/builtins/BunBuiltinNames.h
+++ b/src/js/builtins/BunBuiltinNames.h
@@ -71,6 +71,7 @@ using namespace JSC;
     macro(consumeReadableStream) \
     macro(controlledReadableStream) \
     macro(controller) \
+    macro(contentType) \
     macro(cork) \
     macro(createCommonJSModule) \
     macro(createEmptyReadableStream) \
diff --git a/src/js/builtins/EventStream.ts b/src/js/builtins/EventStream.ts
index c2ce30f17..c9d574836 100644
--- a/src/js/builtins/EventStream.ts
+++ b/src/js/builtins/EventStream.ts
@@ -16,12 +16,13 @@ export function getEventStream() {
           this.#ctrl = undefined;
         },
       });
+      $putByIdDirectPrivate(this, "contentType", "text/event-stream");
     }
 
     send(event?: unknown, data?: unknown): void {
       var ctrl = this.#ctrl!;
       if (!ctrl) {
-        throw new Error("EventStream has ended");
+        throw new Error("EventStream is closed");
       }
       if (!data) {
         data = event;
@@ -42,5 +43,9 @@ export function getEventStream() {
       }
       ctrl.flush();
     }
+
+    close() {
+      this.#ctrl?.close();
+    }
   };
 }