[core] Create shared Next.js baseline config (mui#34259)

docs/next.config.js

@@ -1,51 +1,19 @@
 const path = require('path');
 const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer');
 const pkg = require('../package.json');
+const withDocsInfra = require('./nextConfigDocsInfra');
 const { findPages } = require('./src/modules/utils/find');
 const { LANGUAGES, LANGUAGES_SSR, LANGUAGES_IGNORE_PAGES } = require('./src/modules/constants');
 
 const workspaceRoot = path.join(__dirname, '../');
 
-const reactStrictMode = true;
-if (reactStrictMode) {
-  // eslint-disable-next-line no-console
-  console.log(`Using React.StrictMode.`);
-}
 const l10nPRInNetlify = /^l10n_/.test(process.env.HEAD) && process.env.NETLIFY === 'true';
 const vercelDeploy = Boolean(process.env.VERCEL);
-const isDeployPreview = process.env.PULL_REQUEST === 'true';
+const isDeployPreview = Boolean(process.env.PULL_REQUEST_ID);
 // For crowdin PRs we want to build all locales for testing.
 const buildOnlyEnglishLocale = isDeployPreview && !l10nPRInNetlify && !vercelDeploy;
 
-const staging =
-  process.env.REPOSITORY_URL === undefined ||
-  // The linked repository url comes from https://app.netlify.com/sites/material-ui/settings/deploys
-  /mui-org\/material-ui$/.test(process.env.REPOSITORY_URL);
-
-if (staging) {
-  // eslint-disable-next-line no-console
-  console.log(`Staging deploy of ${process.env.REPOSITORY_URL || 'local repository'}`);
-}
-
-const baseline = {
-  experimental: {
-    scrollRestoration: true,
-  },
-  eslint: {
-    ignoreDuringBuilds: true,
-  },
-  typescript: {
-    // Motivated by https://github.com/vercel/next.js/issues/7687
-    ignoreBuildErrors: true,
-  },
-  trailingSlash: true,
-  // Can be turned on when https://github.com/vercel/next.js/issues/24640 is fixed
-  optimizeFonts: false,
-};
-
-module.exports = {
-  ...baseline,
-  baseline, // Exported so the other projects can use this configuration directly.
+module.exports = withDocsInfra({
   webpack: (config, options) => {
     const plugins = config.plugins.slice();
 
@@ -182,19 +150,11 @@ module.exports = {
     };
   },
   env: {
-    COMMIT_REF: process.env.COMMIT_REF,
-    ENABLE_AD_IN_DEV_MODE: process.env.ENABLE_AD_IN_DEV_MODE,
     GITHUB_AUTH: process.env.GITHUB_AUTH,
-    GIT_REVIEW_ID: process.env.REVIEW_ID,
     LIB_VERSION: pkg.version,
-    NETLIFY_DEPLOY_URL: process.env.DEPLOY_URL || 'http://localhost:3000',
-    NETLIFY_SITE_NAME: process.env.SITE_NAME || 'material-ui',
-    PULL_REQUEST: process.env.PULL_REQUEST === 'true',
     FEEDBACK_URL: process.env.FEEDBACK_URL,
-    // #default-branch-switch
-    SOURCE_CODE_ROOT_URL: 'https://github.com/mui/material-ui/blob/master',
+    SOURCE_CODE_ROOT_URL: 'https://github.com/mui/material-ui/blob/master', // #default-branch-switch
     SOURCE_CODE_REPO: 'https://github.com/mui/material-ui',
-    STAGING: staging,
     BUILD_ONLY_ENGLISH_LOCALE: buildOnlyEnglishLocale,
   },
   // Next.js provides a `defaultPathMap` argument, we could simplify the logic.
@@ -207,7 +167,7 @@ module.exports = {
       const prefix = userLanguage === 'en' ? '' : `/${userLanguage}`;
 
       pages2.forEach((page) => {
-        if (page.pathname.startsWith('/experiments') && !staging) {
+        if (page.pathname.startsWith('/experiments') && process.env.DEPLOY_ENV !== 'production') {
           return;
         }
         // The blog is not translated
@@ -247,7 +207,6 @@ module.exports = {
 
     return map;
   },
-  reactStrictMode,
   // rewrites has no effect when run `next export` for production
   rewrites: async () => {
     return [
@@ -257,4 +216,4 @@ module.exports = {
       { source: `/static/x/:rest*`, destination: 'http://0.0.0.0:3001/static/x/:rest*' },
     ];
   },
-};
+});

docs/nextConfigDocsInfra.js

@@ -0,0 +1,62 @@
+let DEPLOY_ENV = 'development';
+
+// Same as process.env.PULL_REQUEST_ID
+if (process.env.CONTEXT === 'deploy-preview') {
+  DEPLOY_ENV = 'pull-request';
+}
+
+if (process.env.CONTEXT === 'production' || process.env.CONTEXT === 'branch-deploy') {
+  DEPLOY_ENV = 'production';
+}
+
+if (
+  process.env.CONTEXT === 'branch-deploy' &&
+  (process.env.HEAD === 'master' || process.env.HEAD === 'next')
+) {
+  DEPLOY_ENV = 'staging';
+}
+
+process.env.DEPLOY_ENV = DEPLOY_ENV;
+
+function withDocsInfra(nextConfig) {
+  return {
+    trailingSlash: true,
+    // Can be turned on when https://github.com/vercel/next.js/issues/24640 is fixed
+    optimizeFonts: false,
+    reactStrictMode: true,
+    ...nextConfig,
+    env: {
+      BUILD_ONLY_ENGLISH_LOCALE: true, // disable translations by default
+      // production | staging | pull-request | development
+      DEPLOY_ENV,
+      ...nextConfig.env,
+      // https://docs.netlify.com/configure-builds/environment-variables/#git-metadata
+      // reference ID (also known as “SHA” or “hash”) of the commit we’re building.
+      COMMIT_REF: process.env.COMMIT_REF,
+      // ID of the PR and the Deploy Preview it generated (for example, 1211)
+      PULL_REQUEST_ID: process.env.REVIEW_ID,
+      // This can be set manually in the .env to see the ads in dev mode.
+      ENABLE_AD_IN_DEV_MODE: process.env.ENABLE_AD_IN_DEV_MODE,
+      // URL representing the unique URL for an individual deploy, e.g.
+      // https://5b243e66dd6a547b4fee73ae--petsof.netlify.app
+      NETLIFY_DEPLOY_URL: process.env.DEPLOY_URL,
+      // Name of the site, its Netlify subdomain; for example, material-ui-docs
+      NETLIFY_SITE_NAME: process.env.SITE_NAME,
+    },
+    experimental: {
+      scrollRestoration: true,
+      ...nextConfig.experimental,
+    },
+    eslint: {
+      ignoreDuringBuilds: true,
+      ...nextConfig.eslint,
+    },
+    typescript: {
+      // Motivated by https://github.com/vercel/next.js/issues/7687
+      ignoreBuildErrors: true,
+      ...nextConfig.typescript,
+    },
+  };
+}
+
+module.exports = withDocsInfra;

docs/pages/_document.js

@@ -29,9 +29,10 @@ if (process.env.NODE_ENV === 'production') {
   cleanCSS = new CleanCSS();
 }
 
-const PRODUCTION_DEPLOYEMENT = !process.env.PULL_REQUEST && process.env.NODE_ENV === 'production';
+const PRODUCTION_GA =
+  process.env.DEPLOY_ENV === 'production' || process.env.DEPLOY_ENV === 'staging';
 
-const GOOGLE_ANALYTICS_ID = PRODUCTION_DEPLOYEMENT ? 'UA-106598593-2' : 'UA-106598593-3';
+const GOOGLE_ANALYTICS_ID = PRODUCTION_GA ? 'UA-106598593-2' : 'UA-106598593-3';
 
 export default class MyDocument extends Document {
   render() {
@@ -150,7 +151,7 @@ export default class MyDocument extends Document {
               __html: `
                 window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
                 window.ga('create','${GOOGLE_ANALYTICS_ID}',{
-                  sampleRate: ${PRODUCTION_DEPLOYEMENT ? 80 : 100},
+                  sampleRate: ${PRODUCTION_GA ? 80 : 100},
                 });
               `,
             }}

docs/src/components/footer/EmailSubscribe.tsx

@@ -9,7 +9,11 @@ import FormLabel from '@mui/material/FormLabel';
 import FormHelperText from '@mui/material/FormHelperText';
 import InputBase, { inputBaseClasses } from '@mui/material/InputBase';
 import CheckCircleRoundedIcon from '@mui/icons-material/CheckCircleRounded';
-import CONFIG from 'docs/src/config';
+
+const NEWSLETTER_SUBSCRIBE_URL =
+  process.env.DEPLOY_ENV === 'production' || process.env.DEPLOY_ENV === 'staging'
+    ? 'https://f0433e60.sibforms.com/serve/MUIEAHEhgYhMvLAw0tycwk1BQaIB-q0akob3JdtDBmHLhSR-jLheJ2T44LFCz27alz9wq_Nkdz9EK7Y8hzM1vQND9kTFyKkkhTIbEzXaH5d-_S9Fw4PXS1zAK8efPY6nhCdoAop1SKTeZ_GAPW5S0xBFQRLUGYbvvRgE4Q2Ki_f1KjbiCqaRuzmj_I3SD1r0CoR4INmK3CLtF4kF'
+    : 'https://f0433e60.sibforms.com/serve/MUIEAE9LexIU5u5hYkoDJ-Mc379-irLHNIlGEgCm5njkAwg6OYFfNQTd25n4SO6vJom9WvQ89GJ0sYBzFYswLRewcOvD_dRtoFycXIObP8SMm-kNO1CdXKaWEZutrfqMKygHb1Je1QBGrMUnJg8J5qVeCwa7rSPBN0A1_6Ug3SiGjgIlbiCcMVA4KbhaYTiBvKkaejlCjgZcLHBT';
 
 const Form = styled('form')({});
 
@@ -32,7 +36,7 @@ export default function EmailSubscribe({ sx }: { sx?: SxProps<Theme> }) {
     event.preventDefault();
     setForm((current) => ({ ...current, status: 'loading' }));
     try {
-      await fetch(CONFIG.NEWSLETTER_SUBSCRIBE_URL, {
+      await fetch(NEWSLETTER_SUBSCRIBE_URL, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/x-www-form-urlencoded',

docs/src/components/header/HeaderNavDropdown.tsx

@@ -99,15 +99,15 @@ const DOCS = [
     href: ROUTES.advancedComponents,
   },
   // @ts-ignore
-  ...(process.env.STAGING === true
-    ? [
+  ...(process.env.DEPLOY_ENV === 'production'
+    ? []
+    : [
         {
           name: 'MUI Toolpad',
           description: 'Low-code admin builder.',
           href: ROUTES.toolpadDocs,
         },
-      ]
-    : []),
+      ]),
 ];
 
 export default function HeaderNavDropdown() {

docs/src/modules/components/DemoErrorBoundary.js

@@ -55,7 +55,7 @@ export default class DemoErrorBoundary extends React.Component {
 | Tech         | Version |
 |--------------|---------|
 | MUI  | v${process.env.LIB_VERSION}  |
-| netlify deploy | ${process.env.NETLIFY_DEPLOY_URL} |
+| Netlify deploy | ${process.env.NETLIFY_DEPLOY_URL} |
 | Browser      | ${
           typeof window !== 'undefined' && window.navigator
             ? window.navigator.userAgent

docs/src/modules/components/DemoToolbar.js

@@ -391,26 +391,30 @@ export default function DemoToolbar(props) {
   });
 
   const devMenuItems = [];
-  if (process.env.STAGING === true) {
+  if (process.env.DEPLOY_ENV === 'staging' || process.env.DEPLOY_ENV === 'pull-request') {
     /* eslint-disable material-ui/no-hardcoded-labels -- staging only */
-    // eslint-disable-next-line react-hooks/rules-of-hooks -- process.env.STAGING never changes
+    // eslint-disable-next-line react-hooks/rules-of-hooks -- process.env never changes
     const router = useRouter();
 
-    const defaultReviewID = process.env.GIT_REVIEW_ID ?? '20000';
+    if (process.env.PULL_REQUEST_ID) {
+      devMenuItems.push(
+        <MenuItem
+          key="link-deploy-preview"
+          data-ga-event-category="demo"
+          data-ga-event-label={demoOptions.demo}
+          data-ga-event-action="link-deploy-preview"
+          component="a"
+          href={`https://deploy-preview-${process.env.PULL_REQUEST_ID}--${process.env.NETLIFY_SITE_NAME}.netlify.app${router.route}/#${demoName}`}
+          target="_blank"
+          rel="noopener nofollow"
+          onClick={handleMoreClose}
+        >
+          demo on PR #{process.env.PULL_REQUEST_ID}
+        </MenuItem>,
+      );
+    }
+
     devMenuItems.push(
-      <MenuItem
-        key="link-deploy-preview"
-        data-ga-event-category="demo"
-        data-ga-event-label={demoOptions.demo}
-        data-ga-event-action="link-deploy-preview"
-        component="a"
-        href={`https://deploy-preview-${defaultReviewID}--${process.env.NETLIFY_SITE_NAME}.netlify.app${router.route}/#${demoName}`}
-        target="_blank"
-        rel="noopener nofollow"
-        onClick={handleMoreClose}
-      >
-        demo on PR #{defaultReviewID}
-      </MenuItem>,
       <MenuItem
         key="link-next"
         data-ga-event-category="demo"
@@ -451,7 +455,6 @@ export default function DemoToolbar(props) {
         demo on&#160;<code>master</code>
       </MenuItem>,
     );
-
     /* eslint-enable material-ui/no-hardcoded-labels */
   }
 

docs/src/modules/components/MuiProductSelector.tsx

@@ -163,7 +163,7 @@ export default function MuiProductSelector() {
         </Link>
       </li>
       {/* @ts-ignore */}
-      {process.env.STAGING === true ? (
+      {process.env.DEPLOY_ENV === 'production' ? null : (
         <li role="none">
           <Link
             href={ROUTES.toolpadDocs}
@@ -193,7 +193,7 @@ export default function MuiProductSelector() {
             />
           </Link>
         </li>
-      ) : null}
+      )}
     </React.Fragment>
   );
 }

docs/src/modules/sandbox/CodeSandbox.ts

@@ -31,7 +31,7 @@ const createReactApp = (demo: {
   };
 
   const { dependencies, devDependencies } = SandboxDependencies(demo, {
-    commitRef: process.env.PULL_REQUEST ? process.env.COMMIT_REF : undefined,
+    commitRef: process.env.PULL_REQUEST_ID ? process.env.COMMIT_REF : undefined,
   });
 
   files['package.json'] = {
@@ -101,7 +101,7 @@ ReactDOM.createRoot(document.querySelector("#root")).render(
       product: 'joy-ui',
     },
     {
-      commitRef: process.env.PULL_REQUEST ? process.env.COMMIT_REF : undefined,
+      commitRef: process.env.PULL_REQUEST_ID ? process.env.COMMIT_REF : undefined,
     },
   );
 

docs/src/modules/sandbox/Dependencies.ts

@@ -110,7 +110,7 @@ export default function SandboxDependencies(
 
     // TODO: consider if this configuration could be injected in a "cleaner" way.
     if ((window as any).muiDocConfig) {
-      const muiCommitRef = process.env.PULL_REQUEST ? process.env.COMMIT_REF : undefined;
+      const muiCommitRef = process.env.PULL_REQUEST_ID ? process.env.COMMIT_REF : undefined;
       versions = (window as any).muiDocConfig.csbGetVersions(versions, { muiCommitRef });
     }
 

docs/src/modules/sandbox/StackBlitz.ts

@@ -24,7 +24,7 @@ const createReactApp = (demo: {
 
   const { dependencies } = SandboxDependencies(demo, {
     // Waiting for https://github.com/stackblitz/core/issues/437
-    // commitRef: process.env.PULL_REQUEST ? process.env.COMMIT_REF : undefined,
+    // commitRef: process.env.PULL_REQUEST_ID ? process.env.COMMIT_REF : undefined,
   });
 
   return {