const wsConn = (url, trigger) => {

	const ws = new WebSocket(url);

	ws.onopen = () => {
		console.log("Websocket connection open.");

		ws.onmessage = (message) => {
			console.log("New message: ", message.data);
			let msg = {};

			try{
				msg = JSON.parse(message.data);
			} catch(e){
				console.error("Can't parse JSON. Sorry.", e);
			}

			trigger(msg.data);
		}
	};

};