İsim temizleme kodu - CodAre

client.on('guildMemberAdd', (member) => {

    // let rakamlar = Array(9).fill(0).map((_, index) => index + 1); kalsın şimdilik

    let nickkontrol = member.user.username.split("")

    if (!tumHarfler('a', 'z').some(harf => nickkontrol.includes(harf))) {
        member.setNickname("etiketlenebilir isim")
    } else {
        return;
    }

    function tumHarfler(charA, charZ) {
        let a = [], i = charA.charCodeAt(0), j = charZ.charCodeAt(0);
        for (; i <= j; ++i) {
            a.push(String.fromCharCode(i))
        }
        return a;
    }

});