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   1  /*!
   2   * Script for changes list legend
   3   */
   4  
   5  /* Remember the collapse state of the legend on recent changes and watchlist pages. */
   6  jQuery( document ).ready( function ( $ ) {
   7      var
   8          cookieName = 'changeslist-state',
   9          cookieOptions = {
  10              expires: 30,
  11              path: '/'
  12          },
  13          isCollapsed = $.cookie( cookieName ) === 'collapsed';
  14  
  15      $( '.mw-changeslist-legend' )
  16          .makeCollapsible( {
  17              collapsed: isCollapsed
  18          } )
  19          .on( 'beforeExpand.mw-collapsible', function () {
  20              $.cookie( cookieName, 'expanded', cookieOptions );
  21          } )
  22          .on( 'beforeCollapse.mw-collapsible', function () {
  23              $.cookie( cookieName, 'collapsed', cookieOptions );
  24          } );
  25  } );