Issue #3387795: Option to Disable Transitions for Admin Theme

view_transitions.module

@@ -31,7 +31,7 @@ function view_transitions_preprocess_html(&$variables) {
   $page_transitions = \Drupal::config('view_transitions.settings')->get('page_transitions');
   $animation_type = \Drupal::config('view_transitions.settings')->get('animation_type');
   $transition_in_admin = \Drupal::config('view_transitions.settings')->get('transition_in_admin');
-  $is_admin = \Drupal::service('router.admin_context')->isAdminRoute();
+  $is_admin = view_transitions_is_admin();
 
   // Don't transition on admin pages unless explicitly enabled
   if (!$is_admin || ($is_admin && $transition_in_admin)) {
@@ -59,3 +59,16 @@ function view_transitions_preprocess_html(&$variables) {
     }
   }
 }
+
+/**
+ * Determine if the user is at an admin route, or a non-admin route using the toolbar
+ */
+function view_transitions_is_admin() {
+  if (\Drupal::service('router.admin_context')->isAdminRoute()) {
+    return true;
+  }
+  if (\Drupal::currentUser()->isAuthenticated() && \Drupal::currentUser()->hasPermission('access toolbar')) {
+    return true;
+  }
+  return false;
+}
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