refactor: migrate entire project to TypeScript

utils/database.ts

@@ -0,0 +1,49 @@
+import Database from 'better-sqlite3';
+import path from 'path';
+
+class DatabaseWrapper {
+  private db: Database.Database;
+  private dbPath: string;
+
+  constructor() {
+    this.dbPath = process.env.DB_PATH || path.join(__dirname, '../data/database.sqlite');
+    this.db = new Database(this.dbPath, { verbose: console.log });
+  }
+
+  get<T = any>(sql: string, params: any[] = []): T | undefined {
+    try {
+      const stmt = this.db.prepare(sql);
+      return stmt.get(params) as T | undefined;
+    } catch (error) {
+      console.error('数据库查询错误:', error);
+      throw error;
+    }
+  }
+
+  all<T = any>(sql: string, params: any[] = []): T[] {
+    try {
+      const stmt = this.db.prepare(sql);
+      return stmt.all(params) as T[];
+    } catch (error) {
+      console.error('数据库查询错误:', error);
+      throw error;
+    }
+  }
+
+  run(sql: string, params: any[] = []): { id: number; changes: number } {
+    try {
+      const stmt = this.db.prepare(sql);
+      const result = stmt.run(params);
+      return { id: result.lastInsertRowid as number, changes: result.changes };
+    } catch (error) {
+      console.error('数据库操作错误:', error);
+      throw error;
+    }
+  }
+
+  close(): void {
+    this.db.close();
+  }
+}
+
+export default new DatabaseWrapper();