crossws/examples/h3/index.ts

import { createApp, createRouter } from "h3";
import { defineWebSocketHooks } from "crossws";

export const app = createApp();

// Listhen automatically sets up integration!
// Learn more: https://crossws.unjs.io

export const websocket = defineWebSocketHooks({
  open(peer) {
    console.log("[ws] open", peer);
  },

  message(peer, message) {
    console.log("[ws] message", peer, message);
    if (message.text().includes("ping")) {
      peer.send("pong");
    }
  },

  close(peer, event) {
    console.log("[ws] close", peer, event);
  },

  error(peer, error) {
    console.log("[ws] error", peer, error);
  },
});