From e4b7eef3d09110e9faec35f166ea8ed02dc71503 Mon Sep 17 00:00:00 2001
From: Valerij Ivashchenko <likemusic@yandex.ru>
Date: Mon, 11 Jun 2018 15:47:43 +0300
Subject: [PATCH] small refactoring to better code readability

---
 .../Block/Widget/Form/Element/Dependence.php  | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/app/code/Magento/Backend/Block/Widget/Form/Element/Dependence.php b/app/code/Magento/Backend/Block/Widget/Form/Element/Dependence.php
index 723deab1e9f7e..c3f83e06858d8 100644
--- a/app/code/Magento/Backend/Block/Widget/Form/Element/Dependence.php
+++ b/app/code/Magento/Backend/Block/Widget/Form/Element/Dependence.php
@@ -124,14 +124,17 @@ protected function _toHtml()
         if (!$this->_depends) {
             return '';
         }
-        return '<script>
-            require(["mage/adminhtml/form"], function(){
-        new FormElementDependenceController(' .
-            $this->_getDependsJson() .
-            ($this->_configOptions ? ', ' .
-            $this->_jsonEncoder->encode(
-                $this->_configOptions
-            ) : '') . '); });</script>';
+
+        $dependsJson = $this->_getDependsJson();
+        $configOptions = $this->_configOptions ? $this->_jsonEncoder->encode($this->_configOptions) : null;
+        $configOptionsStr = $configOptions ? ', ' . $configOptions : '';
+        $paramsStr = $dependsJson . $configOptionsStr;
+
+        return "<script>
+    require(['mage/adminhtml/form'], function(){
+    new FormElementDependenceController({$paramsStr});
+});
+</script>";
     }
 
     /**