Merge pull request #78 from PrestaShop/dev

Release 3.0.1

config.xml

@@ -2,10 +2,10 @@
 <module>
     <name>ps_categorytree</name>
     <displayName><![CDATA[Category tree links]]></displayName>
-    <version><![CDATA[3.0.0]]></version>
+    <version><![CDATA[3.0.1]]></version>
     <description><![CDATA[Help navigation on your store, show your visitors current category and subcategories.]]></description>
     <author><![CDATA[PrestaShop]]></author>
     <tab><![CDATA[front_office_features]]></tab>
     <is_configurable>1</is_configurable>
     <need_instance>1</need_instance>
-</module>
+</module>

ps_categorytree.php

@@ -55,7 +55,7 @@ public function __construct()
     {
         $this->name = 'ps_categorytree';
         $this->tab = 'front_office_features';
-        $this->version = '3.0.0';
+        $this->version = '3.0.1';
         $this->author = 'PrestaShop';
 
         $this->bootstrap = true;
@@ -139,6 +139,9 @@ private function getCategories($category): array
 
         // Retrieve them using the built in method
         $categories = Category::getNestedCategories($category->id, $this->context->language->id, true, $groups, true, $sqlFilter, $orderBy);
+        if (empty($categories)) {
+            return [];
+        }
 
         // Get path to current category so we can use it for marking
         $idsOfCategoriesInPath = $this->getIdsOfCategoriesInPathToCurrentCategory();