ws client to test backpressure with uwebsockets.js [article https://apuravchauhan.medium.com/understanding-backpressure-in-real-time-streaming-with-websockets-20f504c2d248]

client.js

const WebSocket = require('ws');
const port = 9001;
const ws = new WebSocket('ws://localhost:' + port);

ws.on('message', (data) => {
    /**Uncomment below To slow the event loop to simulate a slow client */
    /*
    while (new Date().getTime() - start <= 500 ) {
    // Do nothing - just block the thread
    }
    */
    console.log(data);
});

Original article connected to the gist:
https://apuravchauhan.medium.com/understanding-backpressure-in-real-time-streaming-with-websockets-20f504c2d248