119 lines
2.9 KiB
JavaScript
119 lines
2.9 KiB
JavaScript
/**
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* Username Generator - 用户名生成器
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*/
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const { randomInt } = require('../../../shared/utils');
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class UsernameGenerator {
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constructor() {
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this.adjectives = [
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'quick', 'bright', 'swift', 'clever', 'smart',
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'cool', 'happy', 'lucky', 'brave', 'wise',
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'silent', 'dark', 'golden', 'silver', 'mystic'
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];
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this.nouns = [
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'wolf', 'fox', 'eagle', 'tiger', 'dragon',
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'phoenix', 'lion', 'bear', 'falcon', 'hawk',
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'ninja', 'wizard', 'warrior', 'knight', 'hunter'
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];
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}
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/**
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* 生成用户名
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* @param {Object} options - 选项
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* @returns {string}
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*/
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generate(options = {}) {
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const { pattern, minLength, maxLength } = options;
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if (pattern) {
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return this.generateFromPattern(pattern);
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}
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// 默认生成策略
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const type = options.type || 'random';
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switch (type) {
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case 'word':
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return this.generateWordBased();
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case 'random':
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return this.generateRandom(minLength, maxLength);
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case 'numeric':
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return this.generateNumeric();
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default:
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return this.generateWordBased();
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}
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}
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/**
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* 基于模式生成
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* @param {string} pattern - 模式，如 "user_{random}", "player_{number}"
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* @returns {string}
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*/
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generateFromPattern(pattern) {
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return pattern
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.replace('{random}', Math.random().toString(36).substring(2, 10))
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.replace('{number}', randomInt(1000, 9999).toString())
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.replace('{timestamp}', Date.now().toString().slice(-8));
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}
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/**
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* 生成基于单词的用户名
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* @returns {string}
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*/
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generateWordBased() {
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const adj = this.adjectives[randomInt(0, this.adjectives.length - 1)];
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const noun = this.nouns[randomInt(0, this.nouns.length - 1)];
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const number = randomInt(10, 999);
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return `${adj}${noun}${number}`;
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}
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/**
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* 生成随机字符串用户名
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* @param {number} minLength - 最小长度
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* @param {number} maxLength - 最大长度
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* @returns {string}
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*/
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generateRandom(minLength = 8, maxLength = 12) {
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const length = randomInt(minLength, maxLength);
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let username = '';
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const chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
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// 首字母必须是字母
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username += chars.charAt(randomInt(0, 25));
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// 其余字符
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for (let i = 1; i < length; i++) {
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username += chars.charAt(randomInt(0, chars.length - 1));
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}
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return username;
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}
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/**
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* 生成数字用户名
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* @returns {string}
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*/
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generateNumeric() {
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return `user${randomInt(100000, 999999)}`;
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}
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/**
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* 批量生成
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* @param {number} count - 数量
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* @param {Object} options - 选项
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* @returns {Array}
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*/
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generateBatch(count, options = {}) {
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const usernames = [];
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for (let i = 0; i < count; i++) {
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usernames.push(this.generate(options));
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}
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return usernames;
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}
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}
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module.exports = UsernameGenerator;
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