// source --> https://nadyouthyoungadults.org/wp-content/plugins/wp-file-download/app/site/assets/js/helper.js?ver=6.9.4 
/**
 * WP File Download
 *
 * @package WP File Download
 * @author Joomunited
 * @version 1.0
 */
bytesToSize = function(bytes) {
    var sizes = [];

    if (typeof (window.wpfdHelper) !== 'undefined' && typeof (window.wpfdHelper.fileMeasure) !== 'undefined' && window.wpfdHelper.fileMeasure.length > 0) {
        sizes = window.wpfdHelper.fileMeasure;
    } else {
        sizes = ['B', 'KB', 'MB', 'GB', 'TB', 'PB'];
    }

    if (bytes <= 0) return 'N/A';

    var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));

    return (bytes / Math.pow(1024, i)).toFixed(2) + ' ' + sizes[i];
};