📝 Added sandbox (code sketchbook)

sandbox/express_websockets/websocketServer.js

@@ -0,0 +1,25 @@
+// Taken from (does not work on its own):
+// https://scribe.rip/m/global-identity-2?redirectUrl=https%3A%2F%2Fcodeburst.io%2Fpolling-vs-sse-vs-websocket-how-to-choose-the-right-one-1859e4e13bd9
+
+const express = require('express');
+const events = require('./events');
+const path = require('path');
+
+const app = express();
+
+const port = process.env.PORT || 5001;
+
+const expressWs = require('express-ws')(app);
+
+app.get('/', function(req, res) {
+	res.sendFile(path.join(__dirname + '/static/index.html'));
+});
+
+app.ws('/', function(ws, req) {
+	const githubEvent = {}; // sample github Event from Github event API https://api.github.com/events
+	ws.send('message', githubEvent);
+});
+
+app.listen(port, function() {
+	console.log('Listening on', port);
+});