full-stack-fastapi-template/new-frontend/src/main.tsx

import ReactDOM from 'react-dom/client';
import { ChakraProvider } from '@chakra-ui/react';
import { QueryClient, QueryClientProvider } from 'react-query';
import { RouterProvider, createRouter } from '@tanstack/react-router'
import { routeTree } from './routeTree.gen'

import { OpenAPI } from './client';
import theme from './theme';
import { StrictMode } from 'react';

OpenAPI.BASE = import.meta.env.VITE_API_URL;
OpenAPI.TOKEN = async () => {
  return localStorage.getItem('access_token') || '';
}

const queryClient = new QueryClient();

const router = createRouter({ routeTree })
declare module '@tanstack/react-router' {
  interface Register {
    router: typeof router
  }
}

ReactDOM.createRoot(document.getElementById('root')!).render(
  <StrictMode>
    <ChakraProvider theme={theme}>
      <QueryClientProvider client={queryClient}>
        <RouterProvider router={router} />
      </QueryClientProvider>
    </ChakraProvider>
  </StrictMode>
);