Avoid TypeError when remove used style

collective · Sep 18, 2018 · f409bf3 · f409bf3
1 parent 9ce18fb
commit f409bf3
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -6,6 +6,9 @@ There's a frood who really knows where his towel is.
 1.7b4 (unreleased)
 ^^^^^^^^^^^^^^^^^^
 
+- Avoid ``TypeError`` when remove used style (refs. `#827 <https://github.com/collective/collective.cover/issues/827>`_).
+  [rodfersou]
+
 - Fix upgrade step 13 to avoid purging behaviors (fixes `#638 <https://github.com/collective/collective.cover/issues/638>`_).
   [hvelarde]
 

diff --git a/src/collective/cover/static/js/layout_edit.js b/src/collective/cover/static/js/layout_edit.js
@@ -50,6 +50,9 @@
         if (key === 'tile-default') {
           continue;
         }
+        if (this.options[key] == null) {
+          continue;
+        }
         this.options[key].selected = true;
       }
       this.update();