Hide categories with 0 products from the Product Categories block (#3765)

Author: ralucaStan

src/BlockTypes/ProductCategories.php

@@ -133,6 +133,16 @@ protected function get_categories( $attributes ) {
 			return [];
 		}
 
+		// This ensures that no categories with a product count of 0 is rendered.
+		if ( ! $attributes['hasEmpty'] ) {
+			$categories = array_filter(
+				$categories,
+				function( $category ) {
+					return 0 !== $category->count;
+				}
+			);
+		}
+
 		return $hierarchical ? $this->build_category_tree( $categories ) : $categories;
 	}