put the full plan name in the page titles (#28450)

* put the full plan name in the page titles

* fix tests

Author: peterbe

middleware/render-page.js

@@ -4,6 +4,7 @@ import patterns from '../lib/patterns.js'
 import getMiniTocItems from '../lib/get-mini-toc-items.js'
 import Page from '../lib/page.js'
 import statsd from '../lib/statsd.js'
+import { allVersions } from '../lib/all-versions.js'
 import { isConnectionDropped } from './halt-on-dropped-connection.js'
 import { nextApp, nextHandleRequest } from './next.js'
 
@@ -92,7 +93,22 @@ export default async function renderPage(req, res, next) {
 
   // add localized ` - GitHub Docs` suffix to <title> tag (except for the homepage)
   if (!patterns.homepagePath.test(path)) {
-    page.fullTitle = page.fullTitle + ' - ' + context.site.data.ui.header.github_docs
+    if (
+      req.context.currentVersion === 'free-pro-team@latest' ||
+      !allVersions[req.context.currentVersion]
+    ) {
+      page.fullTitle += ' - ' + context.site.data.ui.header.github_docs
+    } else {
+      const { versionTitle } = allVersions[req.context.currentVersion]
+      page.fullTitle += ' - '
+      // Some plans don't have the word "GitHub" in them.
+      // E.g. "Enterprise Server 3.5"
+      // In those cases manually prefix the word "GitHub" before it.
+      if (!versionTitle.includes('GitHub')) {
+        page.fullTitle += 'GitHub '
+      }
+      page.fullTitle += versionTitle + ' Docs'
+    }
   }
 
   // Is the request for JSON debugging info?

tests/rendering/page-titles.js

@@ -20,7 +20,9 @@ describe('page titles', () => {
     const $ = await getDOM(
       `/en/enterprise/${enterpriseServerReleases.latest}/user/github/authenticating-to-github/authorizing-oauth-apps`
     )
-    expect($('title').text()).toBe('Authorizing OAuth Apps - GitHub Docs')
+    expect($('title').text()).toBe(
+      `Authorizing OAuth Apps - GitHub Enterprise Server ${enterpriseServerReleases.latest} Docs`
+    )
   })
 
   test('dotcom English map topic page', async () => {
@@ -35,13 +37,19 @@ describe('page titles', () => {
 
   test('dynamically parses liquid in page titles (even on subsequent requests)', async () => {
     let $ = await getDOM(`/en/enterprise/${enterpriseServerReleases.latest}`)
-    expect($('title').text()).toBe('GitHub Enterprise Server Help Documentation - GitHub Docs')
+    expect($('title').text()).toBe(
+      `GitHub Enterprise Server Help Documentation - GitHub Enterprise Server ${enterpriseServerReleases.latest} Docs`
+    )
 
     $ = await getDOM(`/en/enterprise/${enterpriseServerReleases.oldestSupported}`)
-    expect($('title').text()).toBe('GitHub Enterprise Server Help Documentation - GitHub Docs')
+    expect($('title').text()).toBe(
+      `GitHub Enterprise Server Help Documentation - GitHub Enterprise Server ${enterpriseServerReleases.oldestSupported} Docs`
+    )
 
     $ = await getDOM(`/en/enterprise/${enterpriseServerReleases.latest}`)
-    expect($('title').text()).toBe('GitHub Enterprise Server Help Documentation - GitHub Docs')
+    expect($('title').text()).toBe(
+      `GitHub Enterprise Server Help Documentation - GitHub Enterprise Server ${enterpriseServerReleases.latest} Docs`
+    )
   })
 
   // TODO enable this once translated content has synced with the versioning changes