export default class PhoneNumberKorean {
    static DigitName = [ "공", "일", "이", "삼", "사", "오", "육", "칠", "팔", "구" ];
    static Dash = " ";
    
    static convert(phone: string): string {
        return phone.replace(/[\d\- \+]/g, (char: string) => {
            if (char == "-") return PhoneNumberKorean.Dash;
            if (char == " ") return " ";
            if (char == "+") return "플러스";
            return PhoneNumberKorean.DigitName[
                parseInt(char) as number
            ] ?? "";
        })
    }
}