Realtime-leaderboard NPM

Features

Lightweight: no dependency requirements other than your redis client.
Different Redis client support: This package works with redis or ioredis clients.
Promise based
TypeScript definitions
Tested
Powerful & Quick for over million users.
Multiple real-time leaderboards
Different Score Update Strategies: Different score update strategies can be set according to your app business logic for each leaderboard. More: Score Update Strategies

Installation

Install package(s)

$ npm install realtime-leaderboard

⚠️ Make sure you already have redis client, if you don't, redis or ioredis can be installed. $ npm install redis or $ npm install ioredis

Create || Get your redis client

This package requires your redis client.

redis client initilization: more

const  redis = require("redis")
const  redisClient = redis.createClient({host:  "localhost",port:  6379})

ioredis client initilization more

const Redis = require('ioredis');
const redisClient =  new  Redis({ host:  "localhost", port:  6379});

Create your Real-time Leaderboard

const { Leaderboard } = require("realtime-leaderboard");
const  lb = new  Leaderboard(redisClient, "leaderboardId", { update: "createAndUpdateIfGrater" });

Leaderboard Method Example

await lb.updateUser("user1", 15) 				// creates user1 since user not exist
await lb.createUser("user2", 32) 				// creates user2
await lb.updateUser("user1", 200) 				// update user1 since newScore is greater
const board = await  lb.getListBetween(1, 7); 	// [{ user1 }, { user2 }]
const rank = await  lb.getRank("user1")		    // 1
const score = await lb.getScore("user1")        // 200

See more Score Update Strategies