KTIS Current Song

const WebSocket = require('ws'); const URL = 'wss://myktis.com/socket.io/?EIO=3&transport=websocket'; // given the data-array response/message from KTIS, parse out the current song and return it. const parseSongPayload = (dataArray) => { if (!Array.isArray(dataArray)) { throw Error("The dataArray isn't an array."); } const pastSongsArray = dataArray.filter(entry => entry.hasOwnProperty('past')); if (pastSongsArray.length === 0) { throw Error("The array of past songs is empty."); } const pastArrayInArray = JSON.parse(pastSongsArray[0].past); if (!Array.isArray(pastArrayInArray)) { throw Error("Past/previous song entry isn't an array"); } return pastArrayInArray[0]; }; // I dunno what the "2" means, but the site replies with the current song info. const askForCurrentSong = () => { ws.send('2'); }; exports.endpoint = function(request, response) { const ws = new WebSocket(URL); ws.on('open', function open() { ws.send('42["blog","2"]'); }); ws.on('message', function incoming(data) { if (data.startsWith('42[')) { try { const songInfo = parseSongPayload(JSON.parse(data.substring(2))); response.end(JSON.stringify(songInfo)); } catch (e) { response.end("ERROR: " + e.message); } } else { // response.end("WTF? " + JSON.stringify(data)); } }); }