From 20c6b15c4c8d064b01959d6b85f6069b88383751 Mon Sep 17 00:00:00 2001
From: sandstrom <leonsandstrom@gmail.com>
Date: Wed, 17 Aug 2022 20:22:18 +0200
Subject: [PATCH 1/4] set response status when POST handler has location param
 (fixes sveltejs/kit#5976)

---
 packages/kit/src/runtime/server/page/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/kit/src/runtime/server/page/index.js b/packages/kit/src/runtime/server/page/index.js
index 9840a417c660..9a1769bb03b8 100644
--- a/packages/kit/src/runtime/server/page/index.js
+++ b/packages/kit/src/runtime/server/page/index.js
@@ -77,7 +77,7 @@ export async function render_page(event, route, options, state, resolve_opts) {
 					}
 
 					if (event.request.method === 'POST' && result?.location) {
-						return redirect_response(status, result.location);
+						return redirect_response(303, result.location);
 					}
 				} else {
 					event.setHeaders({

From 715a71a0cb8d0f6aca6770d783bc37f27b2f1e92 Mon Sep 17 00:00:00 2001
From: sandstrom <leonsandstrom@gmail.com>
Date: Wed, 17 Aug 2022 20:32:16 +0200
Subject: [PATCH 2/4] added changeset

---
 .changeset/gentle-news-shout.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/gentle-news-shout.md

diff --git a/.changeset/gentle-news-shout.md b/.changeset/gentle-news-shout.md
new file mode 100644
index 000000000000..a2906f45c1c2
--- /dev/null
+++ b/.changeset/gentle-news-shout.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+fixes #5976

From e4d3c4ca02c34577511948045a109ae9a48fc96f Mon Sep 17 00:00:00 2001
From: Rich Harris <hello@rich-harris.dev>
Date: Wed, 17 Aug 2022 15:26:57 -0400
Subject: [PATCH 3/4] add a test

---
 .../routes/shadowed/post-success-redirect/+page.server.js   | 5 +++++
 .../src/routes/shadowed/post-success-redirect/+page.svelte  | 3 +++
 .../shadowed/post-success-redirect/redirected/+page.svelte  | 1 +
 packages/kit/test/apps/basics/test/test.js                  | 6 ++++++
 4 files changed, 15 insertions(+)
 create mode 100644 packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.server.js
 create mode 100644 packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.svelte
 create mode 100644 packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/redirected/+page.svelte

diff --git a/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.server.js b/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.server.js
new file mode 100644
index 000000000000..30d0b0e3fb87
--- /dev/null
+++ b/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.server.js
@@ -0,0 +1,5 @@
+export function POST() {
+	return {
+		location: '/shadowed/post-success-redirect/redirected'
+	};
+}
diff --git a/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.svelte b/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.svelte
new file mode 100644
index 000000000000..74dca32e8ce8
--- /dev/null
+++ b/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/+page.svelte
@@ -0,0 +1,3 @@
+<form method="POST">
+	<button>Click me</button>
+</form>
diff --git a/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/redirected/+page.svelte b/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/redirected/+page.svelte
new file mode 100644
index 000000000000..6ba792f15efc
--- /dev/null
+++ b/packages/kit/test/apps/basics/src/routes/shadowed/post-success-redirect/redirected/+page.svelte
@@ -0,0 +1 @@
+<h1>POST was successful</h1>
diff --git a/packages/kit/test/apps/basics/test/test.js b/packages/kit/test/apps/basics/test/test.js
index d03fa9600539..e54c9ec4905c 100644
--- a/packages/kit/test/apps/basics/test/test.js
+++ b/packages/kit/test/apps/basics/test/test.js
@@ -188,6 +188,12 @@ test.describe('Shadowed pages', () => {
 		);
 	});
 
+	test('Handles POST success with returned location', async ({ page }) => {
+		await page.goto('/shadowed/post-success-redirect');
+		await Promise.all([page.waitForNavigation(), page.click('button')]);
+		expect(await page.textContent('h1')).toBe('POST was successful');
+	});
+
 	test('Renders error page for 4xx and 5xx responses from GET', async ({ page, clicknav }) => {
 		await page.goto('/shadowed');
 		await clicknav('[href="/shadowed/error-get"]');

From e9e311715f49b8e417b49ee42c49d2ad55aa97a5 Mon Sep 17 00:00:00 2001
From: Rich Harris <hello@rich-harris.dev>
Date: Wed, 17 Aug 2022 15:27:45 -0400
Subject: [PATCH 4/4] Update .changeset/gentle-news-shout.md

---
 .changeset/gentle-news-shout.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.changeset/gentle-news-shout.md b/.changeset/gentle-news-shout.md
index a2906f45c1c2..c5a3bcfda283 100644
--- a/.changeset/gentle-news-shout.md
+++ b/.changeset/gentle-news-shout.md
@@ -2,4 +2,4 @@
 '@sveltejs/kit': patch
 ---
 
-fixes #5976
+Return a 303 response when a `POST` handler provides a `location`