From b5a4c0c1658a7dbf827fea5d159a78573aaecf33 Mon Sep 17 00:00:00 2001
From: Tietew <tietew@gmail.com>
Date: Wed, 28 Jun 2023 06:58:28 +0900
Subject: [PATCH] NextApiResponse: setHeader() and writeHead() should return
 `this` (#144)

* setHeader() and writeHead() should return `this`

* Sync

---------

Co-authored-by: Frank <wangfanjie@gmail.com>
---
 .changeset/twenty-hounds-refuse.md          | 5 +++++
 packages/open-next/src/adapters/response.ts | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/twenty-hounds-refuse.md

diff --git a/.changeset/twenty-hounds-refuse.md b/.changeset/twenty-hounds-refuse.md
new file mode 100644
index 00000000..e0ad5b46
--- /dev/null
+++ b/.changeset/twenty-hounds-refuse.md
@@ -0,0 +1,5 @@
+---
+"open-next": patch
+---
+
+Response: setHeader() and writeHead() return "this"
diff --git a/packages/open-next/src/adapters/response.ts b/packages/open-next/src/adapters/response.ts
index 22375058..e3ca0a13 100644
--- a/packages/open-next/src/adapters/response.ts
+++ b/packages/open-next/src/adapters/response.ts
@@ -70,6 +70,7 @@ export class ServerResponse extends http.ServerResponse {
     } else {
       super.setHeader(key, value);
     }
+    return this;
   }
 
   writeHead(statusCode, reason, obj) {
@@ -85,7 +86,7 @@ export class ServerResponse extends http.ServerResponse {
       }
     }
 
-    super.writeHead(statusCode, reason, obj);
+    return super.writeHead(statusCode, reason, obj);
   }
 
   constructor({ method }) {