{"library":"online","install":[{"cmd":"npm install online","imports":["const online = require('online');\nconst db = require('redis').createClient();\nconst track = online(db);","const track = require('online')(redisClient);","const tracker = require('online')(db);\ntracker.add(userId, callback);\ntracker.last(n, callback);\ntracker.clear(callback);"]},{"cmd":"yarn add online","imports":[]},{"cmd":"pnpm add online","imports":[]}]}