Connect from frontend

js/main.js

@@ -1,2 +1,26 @@
-alert("Hello!")
+import {deviceID} from "/card-tools/deviceId"
+class BrowserMod {
+
+  constructor() {
+    window.hassConnection.then((conn) => this.connect(conn.conn));
+  }
+
+  connect(conn) {
+    console.log("Connection opened. Connecting to browser_mod");
+    this.connection = conn.subscribeMessage((msg) => this.callback(msg), {
+      type: 'browser_mod/connect',
+      deviceID: deviceID,
+      });
+    console.log("Connected");
+    console.log(this.connection);
+  }
+
+  callback(msg) {
+    console.log("Got ws message");
+    console.log(msg);
+  }
+
+}
+
+window.browser_mod = new BrowserMod();