React: All landing pages (#19943)

* default all remaining landing pages to react, update tests

middleware/is-next-request.js

@@ -1,36 +1,41 @@
 const pathToRegexp = require('path-to-regexp')
 
+const { productIds } = require('../lib/all-products')
+const versionIds = Object.keys(require('../lib/all-versions'))
+
 const { FEATURE_NEXTJS } = process.env;
 
-const productIds = [
+const enabledSubSections = [
   // 'actions',
-  'admin',
-  "billing",
-  "code-security",
-  "codespaces",
-  "communities",
-  "desktop",
-  "developers",
-  "discussions",
+  // 'admin',
+  // "billing",
+  // "code-security",
+  // "codespaces",
+  // "communities",
+  // "desktop",
+  // "developers",
+  // "discussions",
   // 'early-access',
-  "education",
+  // "education",
   // 'github',
-  "graphql",
+  // "graphql",
   // 'insights',
-  "issues",
-  "organizations",
+  // "issues",
+  // "organizations",
   // 'packages',
-  "pages",
-  "rest",
-  "sponsors",
+  // "pages",
+  // "rest",
+  // "sponsors",
 ];
 
-const landingPageExp = pathToRegexp('/:locale/:versionId?/:productId')
+const homePageExp = pathToRegexp('/:locale/:versionId?')
+const productPageExp = pathToRegexp('/:locale/:versionId?/:productId')
+const subSectionExp = pathToRegexp('/:locale/:versionId?/:productId/:subSection')
 
 module.exports = function isNextRequest(req, res, next) {
   req.renderWithNextjs = false;
 
-  if (FEATURE_NEXTJS) {
+  if (FEATURE_NEXTJS && !req.path.startsWith('/_next/')) {
     if ('nextjs' in req.query) {
       req.renderWithNextjs = true;
     } else {
@@ -40,10 +45,15 @@ module.exports = function isNextRequest(req, res, next) {
       const { pathname } = new URL(req.originalUrl, "https://docs.github.com");
 
       // Should the current path be rendered by NextJS?
-      const landingPageMatch = landingPageExp.exec(pathname)
-      if (landingPageMatch) {
-        const productId = landingPageMatch[3]
-        req.renderWithNextjs = productIds.includes(productId)
+      const homePageMatch = homePageExp.exec(pathname)
+      const productPageMatch = productPageExp.exec(pathname)
+      const subSectionMatch = subSectionExp.exec(pathname)
+      if (homePageMatch && (!homePageMatch[2] || versionIds.includes(homePageMatch[2]))) {
+        req.renderWithNextjs = true
+      } else if (productPageMatch && productIds.includes(productPageMatch[3])) {
+        req.renderWithNextjs = true
+      } else if (subSectionMatch) {
+        req.renderWithNextjs = enabledSubSections.includes(subSectionMatch[4])
       }
     }
   }