index.js

import Observable from "./utils/Observable.js";
import WebSocketClient from "./com/WebSocketClient.js";

class GazeClient extends Observable {

  constructor() {
    super();
  }

  connect(url) {
    this.url = url;
    this.client = new WebSocketClient();
    this.client.addEventListener("connectionopened", this.onConnected.bind(this));
    this.client.addEventListener("connectionclosed", this.onDisconnected.bind(this));
    this.client.addEventListener("dataAvailable", this.onDataAvailable
      .bind(this));
    this.client.connect(url);
  }

  onConnected(event) {
    this.notifyAll(event);
  }

  onDisconnected(event) {
    this.notifyAll(event);
  }

  onDataAvailable(event) {
    this.notifyAll(event);
  }

}

window.GazeClient = GazeClient;