Colyseus.js doesn't have a default export.
https://docs.colyseus.io/client/client/
import Colyseus from "colyseus.js";
// ...
let client = new Colyseus.Client("ws://localhost:2567");
Colyseus.js doesn't have a default export.
https://docs.colyseus.io/client/client/
import Colyseus from "colyseus.js";
// ...
let client = new Colyseus.Client("ws://localhost:2567");