helper 30s code js

gistfile1.txt

/**
 * 
 * @param {*} word 
 * input: Công Tằng Tôn Nữ Nguyễn Thị Huyền Thương
 * output: Công T. T. N. N. Thị Huyền Thương
 */
function generateCardName(word) {
    if (!word) { return; }
    let words   = word.split(' '),
        first   = '',
        middle  = '',
        last    = '';
    // get word
    first       = words[0];
    last        = words[words.length - 1];

    // remove item first & last
    words.splice(0, 1);
    var indexLast = words.indexOf(last);
    if (indexLast > -1) {
        words.splice(indexLast, 1);
    }
    
    middle = words.join(' ');

    for (let i = 0; i < words.length - 1; i++) {
        let element = words[i].substring(0, 1);
        element += '.';
        words[i] = element;
        middle = words.join(' ');
        if (middle.length < 25) {
            break;
        }
    }

    return nonAccentVietnamese(`${first} ${middle} ${last}`).toLocaleUpperCase();
}

function nonAccentVietnamese(str) {
    str = str.toLowerCase();
    //     We can also use this instead of from line 11 to line 17
    //     str = str.replace(/\u00E0|\u00E1|\u1EA1|\u1EA3|\u00E3|\u00E2|\u1EA7|\u1EA5|\u1EAD|\u1EA9|\u1EAB|\u0103|\u1EB1|\u1EAF|\u1EB7|\u1EB3|\u1EB5/g, "a");
    //     str = str.replace(/\u00E8|\u00E9|\u1EB9|\u1EBB|\u1EBD|\u00EA|\u1EC1|\u1EBF|\u1EC7|\u1EC3|\u1EC5/g, "e");
    //     str = str.replace(/\u00EC|\u00ED|\u1ECB|\u1EC9|\u0129/g, "i");
    //     str = str.replace(/\u00F2|\u00F3|\u1ECD|\u1ECF|\u00F5|\u00F4|\u1ED3|\u1ED1|\u1ED9|\u1ED5|\u1ED7|\u01A1|\u1EDD|\u1EDB|\u1EE3|\u1EDF|\u1EE1/g, "o");
    //     str = str.replace(/\u00F9|\u00FA|\u1EE5|\u1EE7|\u0169|\u01B0|\u1EEB|\u1EE9|\u1EF1|\u1EED|\u1EEF/g, "u");
    //     str = str.replace(/\u1EF3|\u00FD|\u1EF5|\u1EF7|\u1EF9/g, "y");
    //     str = str.replace(/\u0111/g, "d");
    str = str.replace(/à|á|ạ|ả|ã|â|ầ|ấ|ậ|ẩ|ẫ|ă|ằ|ắ|ặ|ẳ|ẵ/g, "a");
    str = str.replace(/è|é|ẹ|ẻ|ẽ|ê|ề|ế|ệ|ể|ễ/g, "e");
    str = str.replace(/ì|í|ị|ỉ|ĩ/g, "i");
    str = str.replace(/ò|ó|ọ|ỏ|õ|ô|ồ|ố|ộ|ổ|ỗ|ơ|ờ|ớ|ợ|ở|ỡ/g, "o");
    str = str.replace(/ù|ú|ụ|ủ|ũ|ư|ừ|ứ|ự|ử|ữ/g, "u");
    str = str.replace(/ỳ|ý|ỵ|ỷ|ỹ/g, "y");
    str = str.replace(/đ/g, "d");
    // Some system encode vietnamese combining accent as individual utf-8 characters
    str = str.replace(/\u0300|\u0301|\u0303|\u0309|\u0323/g, ""); // Huyền sắc hỏi ngã nặng 
    str = str.replace(/\u02C6|\u0306|\u031B/g, ""); // Â, Ê, Ă, Ơ, Ư
    return str;
}