+ isCollapsed = mw.cookie.get( cookieName ) === 'collapsed',
+ doCollapsibleLegend = function ( $container ) {
+ $container.find( '.mw-changeslist-legend' )
+ .makeCollapsible( {
+ collapsed: isCollapsed
+ } )
+ .on( 'beforeExpand.mw-collapsible', function () {
+ mw.cookie.set( cookieName, 'expanded' );
+ } )
+ .on( 'beforeCollapse.mw-collapsible', function () {
+ mw.cookie.set( cookieName, 'collapsed' );
+ } );
+ };