import { Level } from 'level' const db = new Level(process.env['level_db_path'] as string, { valueEncoding: 'json' }) async function getGroupNotify() { let keys = await db.keys().all() let result: string[] = [] for (const key of keys) { // console.log(key) if (key.startsWith('group_notify_')) { result.push(key) } } return result } getGroupNotify().then(console.log)