Rename unstable GSP field

packages/next/lib/constants.ts

@@ -33,3 +33,9 @@ export const SERVER_PROPS_SSG_CONFLICT = `You can not use getStaticProps with ge
 export const PAGES_404_GET_INITIAL_PROPS_ERROR = `\`pages/404\` can not have getInitialProps/getServerSideProps, https://err.sh/next.js/404-get-initial-props`
 
 export const SERVER_PROPS_EXPORT_ERROR = `pages with \`getServerSideProps\` can not be exported. See more info here: https://err.sh/next.js/gss-export`
+
+export const UNSTABLE_REVALIDATE_RENAME_ERROR =
+  'The `revalidate` property is not yet available for general use.\n' +
+  'To try the experimental implementation, please use `unstable_revalidate` instead.\n' +
+  "We're excited for you to try this feature—please share all feedback on the RFC:\n" +
+  'https://github.com/zeit/next.js/discussions/11552'

packages/next/next-server/server/render.tsx

@@ -7,6 +7,7 @@ import {
   SERVER_PROPS_GET_INIT_PROPS_CONFLICT,
   SERVER_PROPS_SSG_CONFLICT,
   SSG_GET_INITIAL_PROPS_CONFLICT,
+  UNSTABLE_REVALIDATE_RENAME_ERROR,
 } from '../../lib/constants'
 import { isSerializableProps } from '../../lib/is-serializable-props'
 import { isInAmpMode } from '../lib/amp'
@@ -518,9 +519,13 @@ export async function renderToHTML(
       }
 
       const invalidKeys = Object.keys(data).filter(
-        key => key !== 'revalidate' && key !== 'props'
+        key => key !== 'unstable_revalidate' && key !== 'props'
       )
 
+      if (invalidKeys.includes('revalidate')) {
+        throw new Error(UNSTABLE_REVALIDATE_RENAME_ERROR)
+      }
+
       if (invalidKeys.length) {
         throw new Error(invalidKeysMsg('getStaticProps', invalidKeys))
       }
@@ -535,41 +540,41 @@ export async function renderToHTML(
         )
       }
 
-      if (typeof data.revalidate === 'number') {
-        if (!Number.isInteger(data.revalidate)) {
+      if (typeof data.unstable_revalidate === 'number') {
+        if (!Number.isInteger(data.unstable_revalidate)) {
           throw new Error(
-            `A page's revalidate option must be seconds expressed as a natural number. Mixed numbers, such as '${data.revalidate}', cannot be used.` +
+            `A page's revalidate option must be seconds expressed as a natural number. Mixed numbers, such as '${data.unstable_revalidate}', cannot be used.` +
               `\nTry changing the value to '${Math.ceil(
-                data.revalidate
+                data.unstable_revalidate
               )}' or using \`Math.ceil()\` if you're computing the value.`
           )
-        } else if (data.revalidate <= 0) {
+        } else if (data.unstable_revalidate <= 0) {
           throw new Error(
             `A page's revalidate option can not be less than or equal to zero. A revalidate option of zero means to revalidate after _every_ request, and implies stale data cannot be tolerated.` +
               `\n\nTo never revalidate, you can set revalidate to \`false\` (only ran once at build-time).` +
               `\nTo revalidate as soon as possible, you can set the value to \`1\`.`
           )
-        } else if (data.revalidate > 31536000) {
+        } else if (data.unstable_revalidate > 31536000) {
           // if it's greater than a year for some reason error
           console.warn(
             `Warning: A page's revalidate option was set to more than a year. This may have been done in error.` +
               `\nTo only run getStaticProps at build-time and not revalidate at runtime, you can set \`revalidate\` to \`false\`!`
           )
         }
-      } else if (data.revalidate === true) {
+      } else if (data.unstable_revalidate === true) {
         // When enabled, revalidate after 1 second. This value is optimal for
         // the most up-to-date page possible, but without a 1-to-1
         // request-refresh ratio.
-        data.revalidate = 1
+        data.unstable_revalidate = 1
       } else {
         // By default, we never revalidate.
-        data.revalidate = false
+        data.unstable_revalidate = false
       }
 
       props.pageProps = data.props
       // pass up revalidate and props for export
       // TODO: change this to a different passing mechanism
-      ;(renderOpts as any).revalidate = data.revalidate
+      ;(renderOpts as any).revalidate = data.unstable_revalidate
       ;(renderOpts as any).pageData = props
     }
 

packages/next/types/index.d.ts

@@ -74,7 +74,7 @@ export type GetStaticProps<
   previewData?: any
 }) => Promise<{
   props: P
-  revalidate?: number | boolean
+  unstable_revalidate?: number | boolean
 }>
 
 export type GetStaticPaths<

test/integration/env-config/app/pages/index.js

@@ -30,7 +30,7 @@ export async function getStaticProps() {
     // Do not pass any sensitive values here as they will
     // be made PUBLICLY available in `pageProps`
     props: { env: items },
-    revalidate: 1,
+    unstable_revalidate: 1,
   }
 }
 

test/integration/env-config/app/pages/some-ssg.js

@@ -30,7 +30,7 @@ export async function getStaticProps() {
     // Do not pass any sensitive values here as they will
     // be made PUBLICLY available in `pageProps`
     props: { env: items },
-    revalidate: 1,
+    unstable_revalidate: 1,
   }
 }
 

test/integration/prerender/pages/another/index.js

@@ -18,7 +18,7 @@ export async function getStaticProps() {
       world: text,
       time: new Date().getTime(),
     },
-    revalidate: true,
+    unstable_revalidate: true,
   }
 }
 

test/integration/prerender/pages/blog/[post]/[comment].js

@@ -18,7 +18,7 @@ export async function getStaticProps({ params }) {
       comment: params.comment,
       time: new Date().getTime(),
     },
-    revalidate: 2,
+    unstable_revalidate: 2,
   }
 }
 

test/integration/prerender/pages/blog/[post]/index.js

@@ -42,7 +42,7 @@ export async function getStaticProps({ params }) {
       post: params.post,
       time: (await import('perf_hooks')).performance.now(),
     },
-    revalidate: 10,
+    unstable_revalidate: 10,
   }
 }
 

test/integration/prerender/pages/blog/index.js

@@ -7,7 +7,7 @@ export async function getStaticProps() {
       slugs: ['post-1', 'post-2'],
       time: (await import('perf_hooks')).performance.now(),
     },
-    revalidate: 10,
+    unstable_revalidate: 10,
   }
 }
 

test/integration/prerender/pages/catchall-explicit/[...slug].js

@@ -7,7 +7,7 @@ export async function getStaticProps({ params: { slug } }) {
     props: {
       slug,
     },
-    revalidate: 1,
+    unstable_revalidate: 1,
   }
 }
 

test/integration/prerender/pages/catchall/[...slug].js

@@ -9,7 +9,7 @@ export async function getStaticProps({ params: { slug } }) {
     props: {
       slug,
     },
-    revalidate: 1,
+    unstable_revalidate: 1,
   }
 }
 

test/integration/prerender/pages/index.js

@@ -5,7 +5,7 @@ export async function getStaticProps() {
   return {
     props: { world: 'world', time: new Date().getTime() },
     // bad-prop
-    revalidate: 1,
+    unstable_revalidate: 1,
   }
 }
 

test/integration/prerender/pages/something.js

@@ -10,7 +10,7 @@ export async function getStaticProps({ params }) {
       time: new Date().getTime(),
       random: Math.random(),
     },
-    revalidate: false,
+    unstable_revalidate: false,
   }
 }
 

test/integration/prerender/pages/user/[user]/profile.js

@@ -11,7 +11,7 @@ export async function getStaticProps({ params }) {
       user: params.user,
       time: (await import('perf_hooks')).performance.now(),
     },
-    revalidate: 10,
+    unstable_revalidate: 10,
   }
 }
 

test/integration/typescript/pages/ssg/[slug].tsx

@@ -20,7 +20,7 @@ export const getStaticProps: GetStaticProps<Props, Params> = async ({
 }) => {
   return {
     props: { data: params!.slug },
-    revalidate: false,
+    unstable_revalidate: false,
   }
 }