name-generator.js

String.prototype.hashCode = function () {
    let hash = 0, i, chr;
    if (this.length === 0) return hash;
    for (i = 0; i < this.length; i++) {
        chr = this.charCodeAt(i);
        hash = ((hash << 5) - hash) + chr;
        //hash |= 0; //转换为32位整数
        hash &= 0x7FFFFFFF; //转换为正整数
    }
    return hash;
};

Math.seededRandom = function (max, min) {
    max = max || 1;
    min = min || 0;
    Math.seed = (Math.seed * 9301 + 49297) % 233280;
    let rnd = Math.seed / 233280.0;
    return Math.floor(min + rnd * (max - min));
};

function getName(seed) {
    let familyNames = new Array(
        '赵', '钱', '孙', '李', '周', '吴', '郑', '王', '冯', '陈',
        '丁', '贾', '蒋', '沈', '韩', '杨', '朱', '秦', '宋', '许',
        '何', '吕', '施', '张', '孔', '曹', '严', '华', '金', '魏',
        '陶', '姜', '戴', '谢', '邹', '庞', '董', '梁', '窦', '章',
        '祝', '苏', '潘', '葛', '项', '范', '彭', '屈', '鲁', '韦',
        '林', '马', '苗', '舒', '花', '方', '钟', '任', '袁', '柳',
        '纪', '鲍', '史', '唐', '成', '邓', '曾', '薛', '雷', '贺',
        '倪', '汤', '滕', '殷', '罗', '叶', '郝', '毛', '杜', '常',
        '姚', '于', '汪', '傅', '邵', '尹', '徐', '蔡', '伍', '余',
        '崔', '郭', '顾', '孟', '刘', '黄', '熊', '穆', '萧', ''
    );
    let midNames = new Array(
        '大', '二', '三', '四', '五', '六', '七', ''
    );
    let givenNames = new Array(
        '爷', '郎', '娘', '哥', '姐', '娃', '妹', ''
    );
    Math.seed = seed.hashCode();
    let familyName = familyNames[Math.seededRandom(100, 0)];
    let midName = midNames[Math.seededRandom(8, 0)];
    let givenName = givenNames[Math.seededRandom(8, 0)];
    let fullName = familyName + midName + givenName;
    if (fullName && fullName.length < 2) fullName = '武大郎';

    return fullName;
}

exports.getName = getName;