Disable cache for rsc pages (#33438)

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
vercel · Jan 18, 2022 · c367c72 · c367c72
1 parent 45eb137
commit c367c72
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diff --git a/packages/next/build/webpack/loaders/next-middleware-ssr-loader/render.ts b/packages/next/build/webpack/loaders/next-middleware-ssr-loader/render.ts
@@ -6,6 +6,7 @@ import { toNodeHeaders } from '../../../../server/web/utils'
 const createHeaders = (args?: any) => ({
   ...args,
   'x-middleware-ssr': '1',
+  'Cache-Control': 'no-cache, no-store, max-age=0, must-revalidate',
 })
 
 function sendError(req: any, error: Error) {

diff --git a/test/integration/react-streaming-and-server-components/test/index.test.js b/test/integration/react-streaming-and-server-components/test/index.test.js
@@ -357,6 +357,18 @@ async function runBasicTests(context, env) {
     expect(pathNotFoundHTML).toContain(page404Content)
   })
 
+  it('should disable cache for RSC pages', async () => {
+    const urls = ['/', '/next-api/image', '/next-api/link']
+    await Promise.all(
+      urls.map(async (url) => {
+        const { headers } = await fetchViaHTTP(context.appPort, url)
+        expect(headers.get('cache-control')).toBe(
+          'no-cache, no-store, max-age=0, must-revalidate'
+        )
+      })
+    )
+  })
+
   it('should support next/link', async () => {
     const linkHTML = await renderViaHTTP(context.appPort, '/next-api/link')
     const $ = cheerio.load(linkHTML)