Crude UTF-8 to KZ-1048 conversion

kz-1048.js

/**
 * Author: A. Tres Finocchiaro
 * Date: 2020-03-18
 * License: Public Domain
 */

// Crude UTF-8 to KZ-1048 conversion
const KZ_1048 = {
    'Ђ' : '\x80', 'Ѓ' : '\x81', 'ѓ' : '\x83', '€' : '\x88', 'Љ' : '\x8A', 'Њ' : '\x8C', 'Қ' : '\x8D', 'Һ' : '\x8E', 'Џ' : '\x8F',
    'ђ' : '\x90', 'љ' : '\x9A', 'њ' : '\x9C', 'қ' : '\x9D', 'һ' : '\x9E', 'џ' : '\x9F',
    'Ұ' : '\xA1', 'ұ' : '\xA2', 'Ә' : '\xA3', '¤' : '\xA4', 'Ө' : '\xA5', '¦' : '\xA6', 'Ё' : '\xA8', 'Ғ' : '\xAA', 'Ү' : '\xAF',
    'І' : '\xB2', 'і' : '\xB3', 'ө' : '\xB4', 'µ' : '\xB5', 'ё' : '\xB8', '№' : '\xB9', 'ғ' : '\xBA', 'ә' : '\xBC', 'Ң' : '\xBD', 'ң' : '\xBE', 'ү' : '\xBF',
    'А' : '\xC0', 'Б' : '\xC1', 'В' : '\xC2', 'Г' : '\xC3', 'Д' : '\xC4', 'Е' : '\xC5', 'Ж' : '\xC6', 'З' : '\xC7', 'И' : '\xC8', 'Й' : '\xC9', 'К' : '\xCA', 'Л' : '\xCB', 'М' : '\xCC', 'Н' : '\xCD', 'О' : '\xCE', 'П' : '\xCF',
    'Р' : '\xD0', 'С' : '\xD1', 'Т' : '\xD2', 'У' : '\xD3', 'Ф' : '\xD4', 'Х' : '\xD5', 'Ц' : '\xD6', 'Ч' : '\xD7', 'Ш' : '\xD8', 'Щ' : '\xD9', 'Ъ' : '\xDA', 'Ы' : '\xDB', 'Ь' : '\xDC', 'Э' : '\xDD', 'Ю' : '\xDE', 'Я' : '\xDF',
    'а' : '\xE0', 'б' : '\xE1', 'в' : '\xE2', 'г' : '\xE3', 'д' : '\xE4', 'е' : '\xE5', 'ж' : '\xE6', 'з' : '\xE7', 'и' : '\xE8', 'й' : '\xE9', 'к' : '\xEA', 'л' : '\xEB', 'м' : '\xEC', 'н' : '\xED', 'о' : '\xEE', 'п' : '\xEF',
    'р' : '\xF0', 'с' : '\xF1', 'т' : '\xF2', 'у' : '\xF3', 'ф' : '\xF4', 'х' : '\xF5', 'ц' : '\xF6', 'ч' : '\xF7', 'ш' : '\xF8', 'щ' : '\xF9', 'ъ' : '\xFA', 'ы' : '\xFB', 'ь' : '\xFC', 'э' : '\xFD', 'ю' : '\xFE', 'я' : '\xFF'
}

// Crude character replacement
function convert(map, str) {
    for (var char in map) {
        if (map.hasOwnProperty(char) && str.indexOf(char) !== -1) {
            var re = new RegExp(char, 'g');
            str = str.replace(re, map[char]);
        }
    }
    return str;
}

var text = 'Қазақтың әйгілі күйші композиторы,\nдирижері, қазақтың музыкалық мәдениетіне\nөшпес із қалдырған Нұрғиса Тілендиевке\n1998 жылы Халық Қаһарманы атағы берілді.';          

// and then send it to a printer, etc

// Use an encoding which will preserve the bytes exactly
var config = qz.configs.create('TM-T88', { encoding: 'ISO-8859-1' });

// Prepare our data
var data = [
    /* Toggle KZ-1048 in ESCPOS */
    '\x1B' + '\x74' + '\x35',   // ESC t 53 (decimal) = KZ-1048: Kazakhstan
    convert(KZ_1048, text) + '\n\n\n\n\n\n'
];

// Send it to the printer
qz.print(config, data);