react-event-test/dist/src/server/index.js

Event-driven alternative to React Context

import { WebSocketServer } from "ws";
const clients = new Set();
export class EventServer {
    wss;
    constructor({ port }) {
        this.wss = new WebSocketServer({ port });
        this.wss.on("connection", (ws) => {
            clients.add(ws);
            ws.on("message", (message) => {
                try {
                    const { event, data } = JSON.parse(message);
                    console.log("event", event);
                    console.log("data", data);
                    this.broadcast(event, data, ws);
                }
                catch { }
            });
            ws.on("close", () => {
                clients.delete(ws);
            });
        });
    }
    broadcast(event, data, sender) {
        const msg = JSON.stringify({ event, data });
        this.wss.clients.forEach((client) => {
            if (client.readyState === 1 && client !== sender) {
                client.send(msg);
            }
        });
    }
}
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