accounts-frontend/packages/app/containers/AuthFlowRoute.tsx

import React from 'react';
import { Route, RouteProps } from 'react-router-dom';

import AuthFlowRouteContents from './AuthFlowRouteContents';

export default function AuthFlowRoute(props: RouteProps) {
  const { component: Component, ...routeProps } = props;

  if (!Component) {
    throw new Error('props.component required');
  }

  return (
    <Route
      {...routeProps}
      render={routerProps => (
        <AuthFlowRouteContents
          routerProps={routerProps}
          component={Component}
        />
      )}
    />
  );
}