Plugins/sorting/signed-num.js

/*! © SpryMedia Ltd - datatables.net/license */

(function( factory ){
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}(function( $, window, document ) {
'use strict';
var DataTable = $.fn.dataTable;


/**
 * Although DataTables' internal numeric sorting works no problem on negative
 * numbers, it does not accept positively signed numbers. This plug-in will
 * sort just such data numerically.
 *
 *  @name Fully signed numbers sorting
 *  @summary Sort data numerically with a leading `+` symbol (as well as `-`).
 *  @author [Allan Jardine](http://sprymedia.co.uk)
 *
 *  @example
 *    $('#example').dataTable( {
 *       columnDefs: [
 *         { type: 'signed-num', targets: 0 }
 *       ]
 *    } );
 */
DataTable.ext.type.order['signed-num-pre'] = function (a) {
    return a == '-' || a === '' ? 0 : a.replace('+', '') * 1;
};


return DataTable;
}));