Titivillus/quest/static/quest.js

var socket = new WebSocket('wss://' + document.domain + SCRIPT_NAME + '/ws/quest/' + quest_id + '/');
socket.oldSend = socket.send;
socket.send = function(event_title, data) {
	data = JSON.stringify({event: event_title, data: data});
	socket.oldSend.apply(this, [data]);
}
socket.events = {};
socket.onmessage = function(e) {
	let data = JSON.parse(e.data);
	let event = data.event;
	data = data.data;
	if (socket.events[event] === undefined) { return; }
	socket.events[event](data);
}

socket.events['message'] = function(data) {
	let message = data.message;
	console.log(message);
}