wikimedia/mediawiki-core

/*!
 * JavaScript for Special:Undelete when results exceed REVISION_HISTORY_LIMIT.
 */
( function () {
    'use strict';
    var $linkSpan = $( '#mw-load-more-revisions' );
    var $link = $( '<a>' );

    $link = $linkSpan.wrapAll( $link ).on( 'click', function () {
        // Get the URL of the last link in the list
        var urlString = $( '.mw-undelete-revlist li:last-child a' ).prop( 'href' );
        // Extract the timestamp
        var timestamp = mw.util.getParamValue( 'timestamp', urlString );
        var $oldList = $( '.mw-undelete-revlist' );
        var $spinner = $.createSpinner( { size: 'large', type: 'block' } );
        var path = mw.util.wikiScript() + '?' + $.param( {
            title: mw.config.get( 'wgPageName' ),
            target: mw.config.get( 'wgRelevantPageName' )
        } );

        $oldList.after( $spinner );

        $.ajax( {
            type: 'GET',
            url: path,
            dataType: 'html',
            data: {
                historyoffset: timestamp,
                action: 'render'
            },
            success: function ( data, status, jqXHR ) {
                $spinner.remove();
                var $newDoc = $.parseHTML( data );
                if ( !$newDoc.length ) {
                    return;
                }
                var $newList = $( $newDoc[ 0 ] );
                $oldList.append( $newList.children() );
                if ( jqXHR.status !== 206 ) {
                    $link.hide();
                }
            },
            error: function ( data, textStatus, errorMessage ) {
                $spinner.remove();
                $link.show();
                mw.log.error( errorMessage );
            }
        } );
    } );
}() );