Migrate project from typing_practiceweb

server/config.ts

@@ -0,0 +1,79 @@
+// server/config.ts
+import dotenv from 'dotenv';
+
+// 加载环境变量
+dotenv.config();
+
+// 环境变量类型定义
+interface Config {
+  PORT: number;
+  MONGODB_URI: string;
+  JWT_SECRET: string;
+  NODE_ENV: 'development' | 'production' | 'test';
+  CORS_ORIGIN: string;
+}
+
+// 环境变量验证
+const requiredEnvVars = ['MONGODB_URI', 'JWT_SECRET'] as const;
+for (const envVar of requiredEnvVars) {
+  if (!process.env[envVar]) {
+    throw new Error(`Missing required environment variable: ${envVar}`);
+  }
+}
+
+// 配置对象
+export const config: Config = {
+  PORT: parseInt(process.env.PORT || '5001', 10),
+  MONGODB_URI: process.env.MONGODB_URI!,
+  JWT_SECRET: process.env.JWT_SECRET || 'your_jwt_secret_key_here',
+  NODE_ENV: (process.env.NODE_ENV as Config['NODE_ENV']) || 'development',
+  CORS_ORIGIN: process.env.CORS_ORIGIN || 'http://localhost:3000',
+};
+
+// JWT 配置
+export const JWT_CONFIG = {
+  expiresIn: '7d', // token 有效期
+  issuer: 'typeskill', // 签发者
+};
+
+// 数据库配置
+export const DB_CONFIG = {
+  useNewUrlParser: true,
+  useUnifiedTopology: true,
+  // 如果需要其他 MongoDB 配置选项，可以在这里添加
+};
+
+// API 路径配置
+export const API_PATHS = {
+  AUTH: '/api/auth',
+  KEYWORDS: '/api/keywords',
+  CODE_EXAMPLES: '/api/code-examples',
+  PRACTICE_TYPES: '/api/practice-types',
+  PRACTICE_RECORDS: '/api/practice-records',
+  LEADERBOARD: '/api/leaderboard',
+  ADMIN: {
+    USERS: '/api/users',
+    PRACTICE_RECORDS: '/api/practice-records/all'
+  }
+} as const;
+
+// 分页配置
+export const PAGINATION = {
+  DEFAULT_PAGE_SIZE: 10,
+  MAX_PAGE_SIZE: 100,
+} as const;
+
+// 安全配置
+export const SECURITY = {
+  SALT_ROUNDS: 10, // 密码加密轮数
+  PASSWORD_MIN_LENGTH: 6,
+  PASSWORD_MAX_LENGTH: 50,
+} as const;
+
+// 缓存配置
+export const CACHE = {
+  TTL: 60 * 60, // 1小时（秒）
+} as const;
+
+// 导出默认配置
+export default config;