Revert "Fix homepage versions dropdown" (#20087)

lib/permalink.js

@@ -2,6 +2,7 @@ const assert = require('assert')
 const path = require('path')
 const patterns = require('./patterns')
 const allVersions = require('./all-versions')
+const nonEnterpriseDefaultVersion = require('./non-enterprise-default-version')
 const removeFPTFromPath = require('./remove-fpt-from-path')
 
 class Permalink {
@@ -26,10 +27,24 @@ class Permalink {
     assert(languageCode, 'languageCode is required')
 
     const permalinks = applicableVersions
+      // skip the Dotcom homepage here because a special homepage permalink is added below
+      .filter(pageVersion => !(pageVersion === nonEnterpriseDefaultVersion && relativePath === 'index.md'))
       .map(pageVersion => {
         return new Permalink(languageCode, pageVersion, relativePath, title)
       })
 
+    // special permalink for homepage
+    if (relativePath === 'index.md') {
+      const homepagePermalink = {
+        ...permalinks[0],
+        href: '/' + languageCode,
+        pageVersion: 'homepage',
+        pageVersionTitle: permalinks[0].title,
+        homepage: true
+      }
+      permalinks.push(homepagePermalink)
+    }
+
     return permalinks
   }