RCFilters UI: Check that filter exists before changing its state

[lhc/web/wiklou.git] / resources / src / mediawiki.rcfilters / mw.rcfilters.Controller.js

diff --git a/resources/src/mediawiki.rcfilters/mw.rcfilters.Controller.js b/resources/src/mediawiki.rcfilters/mw.rcfilters.Controller.js
index b5b768f..669420c 100644 (file)
--- a/resources/src/mediawiki.rcfilters/mw.rcfilters.Controller.js
+++ b/resources/src/mediawiki.rcfilters/mw.rcfilters.Controller.js
@@ -111,6 +111,11 @@
        mw.rcfilters.Controller.prototype.toggleFilterSelect = function ( filterName, isSelected ) {
                var filterItem = this.filtersModel.getItemByName( filterName );
 
+               if ( !filterItem ) {
+                       // If no filter was found, break
+                       return;
+               }
+
                isSelected = isSelected === undefined ? !filterItem.isSelected() : isSelected;
 
                if ( filterItem.isSelected() !== isSelected ) {