sample-bot-communication-so.js

const headers = {
	'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8'
};

fetch('/ws-auth', {
	credentials: 'same-origin',
	method: 'POST',
	headers,
	body: `fkey=${fkey().fkey}&roomid=17`
}).then(res => res.json()).then(connect);

function connect({url}) {
	const ws = new WebSocket(url + '?l=' + Date.now());
	ws.onmessage = onmessage;
	ws.onclose = onclose;
}

function onmessage(messageFrame) {
	const frame = JSON.parse(messageFrame.data);
	for( const room of Object.values(frame) ) {
		if( 'e' in room ) {
			room.e.forEach(event => {
				if( event.event_type === 1 ) {
					const { user_name, content, room_name } = event;
					console.log(`${user_name} from ${room_name} said: ${content}`);
				}
			})
		}
	}
}

function onclose() {
	// handle however you want
}

function sendMessage(message, room) {
	fetch(`/chats/${room}/messages/new`, {
		credentials: 'same-origin',
		method: 'POST',
		headers,
		body: `fkey=${fkey().fkey}&text=${encodeURIComponent(message)}`
	}).catch(error => console.error(error));
}