'use strict';constredis=require('redis');constclient=redis.createClient();constRedisRepository=require('@repositories/redis');classTodoRepositoryextendsRedisRepository{constructor(client){super(client,'todos');}// custom implementations}// or if you dont need custom functionalityconstrepo=newRedisRepository(client,'todos');repo.add({name: 'Tom'},(err,doc)=>{console.log(doc);});// expire after 5 secondsrepo.add({name: 'Tom'},{expire: 5},(err,doc)=>{console.log(doc);});