def create(cls) -> Var:
        """Create a websocket target URL component.

        Returns:
            The websocket target URL component.
        """
        return Var(
            _js_expr="getBackendURL(env.EVENT).href",
            _var_data=VarData(
                imports={
                    "$/env.json": [ImportVar(tag="env", is_default=True)],
                    f"$/{Dirs.STATE_PATH}": [ImportVar(tag="getBackendURL")],
                },
            ),
            _var_type=WebsocketTargetURL,
        )
Create a websocket target URL component.

        Returns:
            The websocket target URL component.
        
reflex/components/core/banner.py