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   1  /*!
   2   * JavaScript for Special:Block
   3   */
   4  ( function ( mw, $ ) {
   5      $( function () {
   6          var $blockTarget = $( '#mw-bi-target' ),
   7              $anonOnlyRow = $( '#mw-input-wpHardBlock' ).closest( 'tr' ),
   8              $enableAutoblockRow = $( '#mw-input-wpAutoBlock' ).closest( 'tr' ),
   9              $hideUser = $( '#mw-input-wpHideUser' ).closest( 'tr' ),
  10              $watchUser = $( '#mw-input-wpWatch' ).closest( 'tr' );
  11  
  12  		function updateBlockOptions( instant ) {
  13              var blocktarget = $.trim( $blockTarget.val() ),
  14                  isEmpty = blocktarget === '',
  15                  isIp = mw.util.isIPv4Address( blocktarget, true ) || mw.util.isIPv6Address( blocktarget, true ),
  16                  isIpRange = isIp && blocktarget.match( /\/\d+$/ );
  17  
  18              if ( isIp && !isEmpty ) {
  19                  $enableAutoblockRow.goOut( instant );
  20                  $hideUser.goOut( instant );
  21              } else {
  22                  $enableAutoblockRow.goIn( instant );
  23                  $hideUser.goIn( instant );
  24              }
  25              if ( !isIp && !isEmpty ) {
  26                  $anonOnlyRow.goOut( instant );
  27              } else {
  28                  $anonOnlyRow.goIn( instant );
  29              }
  30              if ( isIpRange && !isEmpty ) {
  31                  $watchUser.goOut( instant );
  32              } else {
  33                  $watchUser.goIn( instant );
  34              }
  35          }
  36  
  37          if ( $blockTarget.length ) {
  38              // Bind functions so they're checked whenever stuff changes
  39              $blockTarget.keyup( updateBlockOptions );
  40  
  41              // Call them now to set initial state (ie. Special:Block/Foobar?wpBlockExpiry=2+hours)
  42              updateBlockOptions( /* instant= */ true );
  43          }
  44      } );
  45  }( mediaWiki, jQuery ) );