fix(NextResponse.json): pass options

vercel · Mar 22, 2022 · a2731d1 · a2731d1
1 parent a2accb2
commit a2731d1
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Showing 2 changed files with 26 additions and 2 deletions.
diff --git a/packages/next/server/web/spec-extension/response.ts b/packages/next/server/web/spec-extension/response.ts
@@ -67,9 +67,14 @@ export class NextResponse extends Response {
     return this.cookie(name, '', { expires: new Date(1), path: '/', ...opts })
   }
 
-  static json(body: any) {
+  static json(body: any, init?: ResponseInit) {
+    const { headers, ...responseInit } = init || {}
     return new NextResponse(JSON.stringify(body), {
-      headers: { 'content-type': 'application/json' },
+      ...responseInit,
+      headers: {
+        ...headers,
+        'content-type': 'application/json',
+      },
     })
   }
 

diff --git a/test/unit/web-runtime/next-response.test.ts b/test/unit/web-runtime/next-response.test.ts
@@ -30,6 +30,7 @@ afterAll(() => {
 const toJSON = async (response) => ({
   body: await response.json(),
   contentType: response.headers.get('content-type'),
+  status: response.status,
 })
 
 it('automatically parses and formats JSON', async () => {
@@ -42,6 +43,24 @@ it('automatically parses and formats JSON', async () => {
     body: { message: 'hello!' },
   })
 
+  expect(
+    await toJSON(NextResponse.json({ status: 'success' }, { status: 201 }))
+  ).toMatchObject({
+    contentType: 'application/json',
+    body: { status: 'success' },
+    status: 201,
+  })
+
+  expect(
+    await toJSON(
+      NextResponse.json({ error: { code: 'bad_request' } }, { status: 400 })
+    )
+  ).toMatchObject({
+    contentType: 'application/json',
+    body: { error: { code: 'bad_request' } },
+    status: 400,
+  })
+
   expect(await toJSON(NextResponse.json(null))).toMatchObject({
     contentType: 'application/json',
     body: null,