Resolve #3517944 "Solve coding standards"

Closes #3517944

modules/vlsuite_animations/js/vlsuite-animations-previewer.js

 (function (drupalSettings, Drupal, once, window) {
   Drupal.behaviors.vlsuite_animations_previewer = {
     attach(context) {
-      once('vlsuite-animations__previewer', '.vlsuite-animations', context).forEach(animationsPreviewer);
-    }
+      once(
+        'vlsuite-animations__previewer',
+        '.vlsuite-animations',
+        context,
+      ).forEach(animationsPreviewer);
+    },
   };
 
   /**
    * Animations previewer.
    */
   function animationsPreviewer(previewWrapper) {
-    var previewerBox = previewWrapper.querySelector('.vlsuite-animations__previewer');
-    var previewerOptions = previewWrapper.querySelectorAll('.vlsuite-animations__previewer-option').forEach(function (previewerOption) {
-      previewerOption.addEventListener('input', function (event) {
-        if (event.target.value) {
-          previewerBox.classList.add(...drupalSettings.vlsuite_animations_map['is_playing_classes'].split(' '));
-          previewerBox.classList.add(...drupalSettings.vlsuite_animations_map['main_classes'].split(' '));
-          previewerBox.classList.add(...drupalSettings.vlsuite_animations_map['animations'][event.target.value].split(' '));
-        }
+    const previewerBox = previewWrapper.querySelector(
+      '.vlsuite-animations__previewer',
+    );
+    const previewerOptions = previewWrapper
+      .querySelectorAll('.vlsuite-animations__previewer-option')
+      .forEach(function (previewerOption) {
+        previewerOption.addEventListener('input', function (event) {
+          if (event.target.value) {
+            previewerBox.classList.add(
+              ...drupalSettings.vlsuite_animations_map.is_playing_classes.split(
+                ' ',
+              ),
+            );
+            previewerBox.classList.add(
+              ...drupalSettings.vlsuite_animations_map.main_classes.split(' '),
+            );
+            previewerBox.classList.add(
+              ...drupalSettings.vlsuite_animations_map.animations[
+                event.target.value
+              ].split(' '),
+            );
+          }
+        });
       });
-    });
     previewerBox.addEventListener('animationend', function (e) {
       e.target.classList.remove(...e.target.classList);
       e.target.classList.add('vlsuite-animations__previewer');
@@ -28,4 +46,4 @@
       e.target.classList.add('vlsuite-animations__previewer');
     });
   }
-}(drupalSettings, Drupal, once, window));
+})(drupalSettings, Drupal, once, window);