locutus/php/strings/str_rot13.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.str_rot13 = str_rot13;
function str_rot13(str) {
    //      discuss at: https://locutus.io/php/str_rot13/
    // parity verified: PHP 8.3
    //     original by: Jonas Raoni Soares Silva (https://www.jsfromhell.com)
    //     improved by: Ates Goral (https://magnetiq.com)
    //     improved by: Rafał Kukawski (https://blog.kukawski.pl)
    //     bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
    //       example 1: str_rot13('Kevin van Zonneveld')
    //       returns 1: 'Xriva ina Mbaariryq'
    //       example 2: str_rot13('Xriva ina Mbaariryq')
    //       returns 2: 'Kevin van Zonneveld'
    //       example 3: str_rot13(33)
    //       returns 3: '33'
    return (str + '').replace(/[a-z]/gi, function (s) {
        return String.fromCharCode(s.charCodeAt(0) + (s.toLowerCase() < 'n' ? 13 : -13));
    });
}