From d3b92b3d4084cfe73cf4ddbec7418653cb26558e Mon Sep 17 00:00:00 2001
From: Kid <44045911+kidonng@users.noreply.github.com>
Date: Mon, 19 Jun 2023 01:05:50 +0800
Subject: [PATCH] feat: cache assets in Vercel adapter

---
 packages/integrations/vercel/src/edge/adapter.ts       |  5 +++++
 packages/integrations/vercel/src/serverless/adapter.ts |  5 +++++
 packages/integrations/vercel/src/static/adapter.ts     | 10 +++++++++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/packages/integrations/vercel/src/edge/adapter.ts b/packages/integrations/vercel/src/edge/adapter.ts
index 3c2d39116e95..209759adb482 100644
--- a/packages/integrations/vercel/src/edge/adapter.ts
+++ b/packages/integrations/vercel/src/edge/adapter.ts
@@ -151,6 +151,11 @@ export default function vercelEdge({
 					version: 3,
 					routes: [
 						...getRedirects(routes, _config),
+						{
+							src: '^/_astro/(.*)$',
+							headers: { 'cache-control': 'public, max-age=31536000, immutable' },
+							continue: true,
+						},
 						{ handle: 'filesystem' },
 						{ src: '/.*', dest: 'render' },
 					],
diff --git a/packages/integrations/vercel/src/serverless/adapter.ts b/packages/integrations/vercel/src/serverless/adapter.ts
index 8a18707702bd..19127234aff5 100644
--- a/packages/integrations/vercel/src/serverless/adapter.ts
+++ b/packages/integrations/vercel/src/serverless/adapter.ts
@@ -129,6 +129,11 @@ export default function vercelServerless({
 					version: 3,
 					routes: [
 						...getRedirects(routes, _config),
+						{
+							src: '^/_astro/(.*)$',
+							headers: { 'cache-control': 'public, max-age=31536000, immutable' },
+							continue: true,
+						},
 						{ handle: 'filesystem' },
 						{ src: '/.*', dest: 'render' },
 					],
diff --git a/packages/integrations/vercel/src/static/adapter.ts b/packages/integrations/vercel/src/static/adapter.ts
index f710356aa7af..15e131ad6fab 100644
--- a/packages/integrations/vercel/src/static/adapter.ts
+++ b/packages/integrations/vercel/src/static/adapter.ts
@@ -71,7 +71,15 @@ export default function vercelStatic({
 				// https://vercel.com/docs/build-output-api/v3#build-output-configuration
 				await writeJson(new URL(`./config.json`, getVercelOutput(_config.root)), {
 					version: 3,
-					routes: [...getRedirects(routes, _config), { handle: 'filesystem' }],
+					routes: [
+						...getRedirects(routes, _config),
+						{
+							src: '^/_astro/(.*)$',
+							headers: { 'cache-control': 'public, max-age=31536000, immutable' },
+							continue: true,
+						},
+						{ handle: 'filesystem' },
+					],
 					...(imageService || imagesConfig
 						? { images: imagesConfig ? imagesConfig : defaultImageConfig }
 						: {}),