Boilerplate

static/renderer.js

@@ -0,0 +1,9 @@
+const ws_url = new URL('ws', window.location.href);
+ws_url.protocol = ws_url.protocol.replace('http', 'ws');
+const ws = new WebSocket(ws_url.href);
+
+ws.onmessage = function(event) {
+    const msg = JSON.parse(event.data);
+
+    console.log(msg);
+};