React Example: With Trpc

Github StackBlitz

import React from 'react'
import ReactDOM from 'react-dom/client'
import { RouterProvider, createRouter } from '@tanstack/react-router'
import { trpc } from './trpc'

import { Spinner } from './routes/-components/spinner'
import './styles.css'

// Import the generated route tree
import { routeTree } from './routeTree.gen'

// Create a router instance
const router = createRouter({
  routeTree,
  scrollRestoration: true,
  defaultPreload: 'intent',
  defaultPendingComponent: () => (
    <div className={`p-2 text-2xl`}>
      <Spinner />
    </div>
  ),
  context: {
    trpc,
  },
})

// Register the router instance for type safety
declare module '@tanstack/react-router' {
  interface Register {
    router: typeof router
  }
}

const rootElement = document.getElementById('root')!
if (!rootElement.innerHTML) {
  const root = ReactDOM.createRoot(rootElement)
  root.render(
    <React.StrictMode>
      <RouterProvider router={router} />
    </React.StrictMode>,
  )
}