We aren't in the NPM registry but you can easily install it with the NPM client:
npm install uNetworking/uWebSockets.js#v20.48.0
// npm install uNetworking/uWebSockets.js#latest package.json->type:module
import uWS from 'uWebSockets.js';
const port = 9001;
const redis = require('redis');
import { createClient } from 'redis';
const useRedis = createClient();
useRedis.connect();