trader-app-ui/src/containers/SecureRoute.js
// redirect if not authenticated; otherwise, return the component passed into <SecureRoute />
redirect if not authenticated; otherwise, return the component passed into 
redirect if not authenticated ; otherwise return the component passed into
handleRender(props) {
      if (!this.props.impersonatedUser) {
        return <Redirect to="/login" />;
      }
      return <ComposedComponent {...props} />;
    }
handleRender ( props ) { if ( ! this . props . impersonatedUser ) { return < Redirect to = "/login" / > ; } return < ComposedComponent { ... props } / > ; }
redirect if not authenticated; otherwise, return the component passed into <SecureRoute />
redirect if not authenticated ; otherwise return the component passed into <SecureRoute / >