Patch for the menu_export module to include path aliases of menu link internal path in exported data.

include-aliases-in-export.patch

diff --git a/src/Form/MenuExportForm.php b/src/Form/MenuExportForm.php
index 2b9a2ac..04a3bb4 100644
--- a/src/Form/MenuExportForm.php
+++ b/src/Form/MenuExportForm.php
@@ -6,6 +6,8 @@ use Drupal\menu_link_content\Entity\MenuLinkContent;
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
 use \Drupal\system\Entity\Menu;
+use Drupal\Core\Url;
+use Drupal\path_alias\Entity\PathAlias;
 
 /**
  * Configure Menu Export settings.
@@ -88,6 +90,24 @@ class MenuExportForm extends ConfigFormBase {
 					foreach($linkArray as $key=>$linkArrayItem){
 						$linkData[$key] = reset($linkArrayItem);
 					}
+
+          $url = Url::fromUri($link->link->uri);
+          if ($url->isRouted()) {
+            $internal_path = $url->getInternalPath();
+            // Get all path aliases
+            $path_aliases = \Drupal::entityQuery('path_alias')
+              ->condition('path', '/' . $internal_path)
+              ->execute();
+            $aliases = [];
+            foreach ($path_aliases as $alias_id) {
+              $alias = PathAlias::load($alias_id);
+              if ($alias) {
+                $aliases[] = $alias->alias->value;
+              }
+            }
+          }
+          $linkData['aliases'] = $aliases;
+
 					//$data[$link->id()] = $linkData;
 					$config->set($link->id(),$linkData);
 					unset($linkData);