code: function(file, mode, options) {
  		mode = mode || "replace";
  		const args = options ? [file, mode].concat(util.formatOptions(options)) : [file, mode];
  		this.socket.command("loadfile", args);
  	}
docs: loads a file or stream url into mpv mode replace          replace current video append          append to playlist append-play  append to playlist and play, if the playlist was empty  options further options