datatables.net-plugins/type-detection/file-size.js

Various small plug-ins for DataTables including feature, ordering, search and internationalisation plug-ins.

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

(function( factory ){
	if ( typeof define === 'function' && define.amd ) {
		// AMD
		define( ['jquery', 'datatables.net'], function ( $ ) {
			return factory( $, window, document );
		} );
	}
	else if ( typeof exports === 'object' ) {
		// CommonJS
		var jq = require('jquery');
		var cjsRequires = function (root, $) {
			if ( ! $.fn.dataTable ) {
				require('datatables.net')(root, $);
			}
		};

		if (typeof window === 'undefined') {
			module.exports = function (root, $) {
				if ( ! root ) {
					// CommonJS environments without a window global must pass a
					// root. This will give an error otherwise
					root = window;
				}

				if ( ! $ ) {
					$ = jq( root );
				}

				cjsRequires( root, $ );
				return factory( $, root, root.document );
			};
		}
		else {
			cjsRequires( window, jq );
			module.exports = factory( jq, window, window.document );
		}
	}
	else {
		// Browser
		factory( jQuery, window, document );
	}
}(function( $, window, document, undefined ) {
'use strict';
var DataTable = $.fn.dataTable;


/**
 * Detect file size type columns automatically. Commonly used for computer
 * file sizes, this can allow sorting to take the order of magnitude indicated
 * by the label (GB etc) into account.
 *
 *  @name File size
 *  @summary Detect abbreviated file size data (8MB, 4KB, 3B, etc)
 *  @author Allan Jardine - datatables.net
 */
DataTable.ext.type.detect.unshift(function (data) {
    if (typeof data !== 'string') {
        return null;
    }
    var matches = data.match(/^(\d+(?:\.\d+)?)\s*([a-z]+)/i);
    var units = ['b', 'kb', 'mb', 'gb', 'tb', 'pb'];
    var is_file_size = matches && units.indexOf(matches[2].toLowerCase()) !== -1;
    return is_file_size ? 'file-size' : null;
});


return DataTable;
}));