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export class SonoClient {

  constructor(url) {
    this.ws = new WebSocket(url);    this.validCallbacks = {};    this.subscribedEvents ={};
  }  onconnection(callback){    this.ws.onopen = callback;  }  /**   * Sends a direct message to a specified client   * @param { string } message - Message to be sent to client   * @param { string } client - ID number of client to receive message   */  directmessage(message, client, event = 'message') {    this.ws.send(JSON.stringify({      protocol: 'directmessage',      event,      payload: {        message,        to:client,      },    }));  }  /**   * Sends out packet to all clients except for the client who sent it   * @param   */  broadcast(message, event = 'message') {    this.ws.send(JSON.stringify({      protocol: 'broadcast',      event,      payload: {        message      },    }));
  }  /**   * Send message to all clients including self   * @param { any }   * @param { string } event   */  //send('{hi}', 'gameday')  message(message, event='message'){    this.ws.send(JSON.stringify({      protocol: 'message',      event,      payload: {        message      },    }));  }
  changeChannel(targetChannel){    this.ws.send(JSON.stringify({      protocol: 'changeChannel',      payload: {        to: targetChannel      },    }));  }  /**   * Provides list of clients who are connected to the server   */ //valid requests'clients','channels'(grabs the client IDs currently connected to the server)('channels' list of open channels)  grab(request, event='grab') {    this.ws.send(JSON.stringify({      protocol: 'grab',      event,      payload: {        message: request      }    }));  }
  trigger(eventName) {
    if(this.subscribedEvents[eventName]){      this.subscribedEvents[eventName]();    }
  }

  on(eventParam, callback){    this.subscribedEvents[eventParam] = callback;
    this.ws.onmessage = (event) => {
      const payload = JSON.parse(event.data).payload;      const eventName = JSON.parse(event.data).protocol;
      if(eventName && this.subscribedEvents[eventName]) this.subscribedEvents[eventName](payload)
    }  }}