File: basic-devtools-panel.md | Updated: 11/15/2025
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React Example: Basic Devtools Panel
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Code ExplorerCode
Interactive SandboxSandbox
.vscode
snapshot
src
App.tsx
main.tsx
styles.css
.gitignore
README.md
index.html
package.json
postcss.config.mjs
tsconfig.json
vite.config.js
tsx
import React from 'react'
import ReactDOM from 'react-dom/client'
import App from './App'
import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
import {
Outlet,
RouterProvider,
Link,
createRouter,
createRoute,
createRootRoute,
} from '@tanstack/react-router'
import { TanStackRouterDevtoolsPanel } from '@tanstack/react-router-devtools'
import './styles.css'
const rootRoute = createRootRoute({
component: () => (
<>
<div className="p-2 flex gap-2">
<Link to="/">Home</Link> <Link to="/about">About</Link>
</div>
<hr />
<Outlet />
</>
),
})
const indexRoute = createRoute({
getParentRoute: () => rootRoute,
path: '/',
component: function Index() {
return (
<div className="p-2">
<h3>Welcome Home!</h3>
<App />
</div>
)
},
})
const aboutRoute = createRoute({
getParentRoute: () => rootRoute,
path: '/about',
component: function About() {
return <div className="p-2">Hello from About!</div>
},
})
const routeTree = rootRoute.addChildren([indexRoute, aboutRoute])
const router = createRouter({ routeTree })
declare module '@tanstack/react-router' {
interface Register {
router: typeof router
}
}
const element = document.getElementById('app')!
const shadowContainer = element.attachShadow({ mode: 'open' })
const shadowRootElement = document.createElement('div')
shadowContainer.appendChild(shadowRootElement)
const queryClient = new QueryClient()
ReactDOM.createRoot(shadowRootElement).render(
<React.StrictMode>
<RouterProvider router={router} />
<TanStackRouterDevtoolsPanel
shadowDOMTarget={shadowContainer}
router={router}
/>
</React.StrictMode>,
)
import React from 'react'
import ReactDOM from 'react-dom/client'
import App from './App'
import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
import { ReactQueryDevtools } from '@tanstack/react-query-devtools'
import {
Outlet,
RouterProvider,
Link,
createRouter,
createRoute,
createRootRoute,
} from '@tanstack/react-router'
import { TanStackRouterDevtoolsPanel } from '@tanstack/react-router-devtools'
import './styles.css'
const rootRoute = createRootRoute({
component: () => (
<>
<div className="p-2 flex gap-2">
<Link to="/">Home</Link> <Link to="/about">About</Link>
</div>
<hr />
<Outlet />
</>
),
})
const indexRoute = createRoute({
getParentRoute: () => rootRoute,
path: '/',
component: function Index() {
return (
<div className="p-2">
<h3>Welcome Home!</h3>
<App />
</div>
)
},
})
const aboutRoute = createRoute({
getParentRoute: () => rootRoute,
path: '/about',
component: function About() {
return <div className="p-2">Hello from About!</div>
},
})
const routeTree = rootRoute.addChildren([indexRoute, aboutRoute])
const router = createRouter({ routeTree })
declare module '@tanstack/react-router' {
interface Register {
router: typeof router
}
}
const element = document.getElementById('app')!
const shadowContainer = element.attachShadow({ mode: 'open' })
const shadowRootElement = document.createElement('div')
shadowContainer.appendChild(shadowRootElement)
const queryClient = new QueryClient()
ReactDOM.createRoot(shadowRootElement).render(
<React.StrictMode>
<RouterProvider router={router} />
<TanStackRouterDevtoolsPanel
shadowDOMTarget={shadowContainer}
router={router}
/>
</React.StrictMode>,
)
