Connect from frontend

custom_components/browser_mod/__init__.py

@@ -1,10 +1,13 @@
 import logging
+import voluptuous as vol
+
+from homeassistant.components.websocket_api import websocket_command, result_message, async_register_command
 
 from .mod_view import setup_view
 
 REQUIREMENTS = ["aiofiles"]
 
-FRONTEND_SCRIPT_URL '/browser_mod.js'
+FRONTEND_SCRIPT_URL = '/browser_mod.js'
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -14,5 +17,17 @@ async def async_setup(hass, config):
     setup_view(hass, FRONTEND_SCRIPT_URL)
     _LOGGER.error(f"Registered frontend script")
 
+    async_register_command(hass, handle_connect)
 
     return True
+
+
+
+@websocket_command({
+    vol.Required('type'): 'browser_mod/connect',
+    vol.Required('deviceID'): str,
+})
+def handle_connect(hass, connection, msg):
+    _LOGGER.error(f"Got connection {msg}")
+
+    connection.send_message(result_message(msg['id']))