initial commit

src/components/Header.tsx

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+import { Link } from '@tanstack/react-router'
+
+import { useState } from 'react'
+import { Home, Menu, Network, X } from 'lucide-react'
+
+export default function Header() {
+  const [isOpen, setIsOpen] = useState(false)
+
+  return (
+    <>
+      <header className="p-4 flex items-center bg-gray-800 text-white shadow-lg">
+        <button
+          onClick={() => setIsOpen(true)}
+          className="p-2 hover:bg-gray-700 rounded-lg transition-colors"
+          aria-label="Open menu"
+        >
+          <Menu size={24} />
+        </button>
+        <h1 className="ml-4 text-xl font-semibold">
+          <Link to="/">
+            <img
+              src="/tanstack-word-logo-white.svg"
+              alt="TanStack Logo"
+              className="h-10"
+            />
+          </Link>
+        </h1>
+      </header>
+
+      <aside
+        className={`fixed top-0 left-0 h-full w-80 bg-gray-900 text-white shadow-2xl z-50 transform transition-transform duration-300 ease-in-out flex flex-col ${
+          isOpen ? 'translate-x-0' : '-translate-x-full'
+        }`}
+      >
+        <div className="flex items-center justify-between p-4 border-b border-gray-700">
+          <h2 className="text-xl font-bold">Navigation</h2>
+          <button
+            onClick={() => setIsOpen(false)}
+            className="p-2 hover:bg-gray-800 rounded-lg transition-colors"
+            aria-label="Close menu"
+          >
+            <X size={24} />
+          </button>
+        </div>
+
+        <nav className="flex-1 p-4 overflow-y-auto">
+          <Link
+            to="/"
+            onClick={() => setIsOpen(false)}
+            className="flex items-center gap-3 p-3 rounded-lg hover:bg-gray-800 transition-colors mb-2"
+            activeProps={{
+              className:
+                'flex items-center gap-3 p-3 rounded-lg bg-cyan-600 hover:bg-cyan-700 transition-colors mb-2',
+            }}
+          >
+            <Home size={20} />
+            <span className="font-medium">Home</span>
+          </Link>
+
+          {/* Demo Links Start */}
+
+          <Link
+            to="/demo/tanstack-query"
+            onClick={() => setIsOpen(false)}
+            className="flex items-center gap-3 p-3 rounded-lg hover:bg-gray-800 transition-colors mb-2"
+            activeProps={{
+              className:
+                'flex items-center gap-3 p-3 rounded-lg bg-cyan-600 hover:bg-cyan-700 transition-colors mb-2',
+            }}
+          >
+            <Network size={20} />
+            <span className="font-medium">TanStack Query</span>
+          </Link>
+
+          {/* Demo Links End */}
+        </nav>
+      </aside>
+    </>
+  )
+}

src/integrations/tanstack-query/devtools.tsx

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+import { ReactQueryDevtoolsPanel } from '@tanstack/react-query-devtools'
+
+export default {
+  name: 'Tanstack Query',
+  render: <ReactQueryDevtoolsPanel />,
+}

src/integrations/tanstack-query/root-provider.tsx

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+import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
+
+export function getContext() {
+  const queryClient = new QueryClient()
+  return {
+    queryClient,
+  }
+}
+
+export function Provider({
+  children,
+  queryClient,
+}: {
+  children: React.ReactNode
+  queryClient: QueryClient
+}) {
+  return (
+    <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+  )
+}

src/lib/utils.ts

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+import { clsx, type ClassValue } from 'clsx'
+import { twMerge } from 'tailwind-merge'
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}

src/main.tsx

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+import { StrictMode } from 'react'
+import ReactDOM from 'react-dom/client'
+import { RouterProvider, createRouter } from '@tanstack/react-router'
+
+import * as TanStackQueryProvider from './integrations/tanstack-query/root-provider.tsx'
+
+// Import the generated route tree
+import { routeTree } from './routeTree.gen'
+
+import './styles.css'
+import reportWebVitals from './reportWebVitals.ts'
+
+// Create a new router instance
+
+const TanStackQueryProviderContext = TanStackQueryProvider.getContext()
+const router = createRouter({
+  routeTree,
+  context: {
+    ...TanStackQueryProviderContext,
+  },
+  defaultPreload: 'intent',
+  scrollRestoration: true,
+  defaultStructuralSharing: true,
+  defaultPreloadStaleTime: 0,
+})
+
+// Register the router instance for type safety
+declare module '@tanstack/react-router' {
+  interface Register {
+    router: typeof router
+  }
+}
+
+// Render the app
+const rootElement = document.getElementById('app')
+if (rootElement && !rootElement.innerHTML) {
+  const root = ReactDOM.createRoot(rootElement)
+  root.render(
+    <StrictMode>
+      <TanStackQueryProvider.Provider {...TanStackQueryProviderContext}>
+        <RouterProvider router={router} />
+      </TanStackQueryProvider.Provider>
+    </StrictMode>,
+  )
+}
+
+// If you want to start measuring performance in your app, pass a function
+// to log results (for example: reportWebVitals(console.log))
+// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
+reportWebVitals()

src/reportWebVitals.ts

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+const reportWebVitals = (onPerfEntry?: () => void) => {
+  if (onPerfEntry && onPerfEntry instanceof Function) {
+    import('web-vitals').then(({ onCLS, onINP, onFCP, onLCP, onTTFB }) => {
+      onCLS(onPerfEntry)
+      onINP(onPerfEntry)
+      onFCP(onPerfEntry)
+      onLCP(onPerfEntry)
+      onTTFB(onPerfEntry)
+    })
+  }
+}
+
+export default reportWebVitals

src/routeTree.gen.ts

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+/* eslint-disable */
+
+// @ts-nocheck
+
+// noinspection JSUnusedGlobalSymbols
+
+// This file was automatically generated by TanStack Router.
+// You should NOT make any changes in this file as it will be overwritten.
+// Additionally, you should also exclude this file from your linter and/or formatter to prevent it from being checked or modified.
+
+import { Route as rootRouteImport } from './routes/__root'
+import { Route as IndexRouteImport } from './routes/index'
+import { Route as DemoTanstackQueryRouteImport } from './routes/demo/tanstack-query'
+
+const IndexRoute = IndexRouteImport.update({
+  id: '/',
+  path: '/',
+  getParentRoute: () => rootRouteImport,
+} as any)
+const DemoTanstackQueryRoute = DemoTanstackQueryRouteImport.update({
+  id: '/demo/tanstack-query',
+  path: '/demo/tanstack-query',
+  getParentRoute: () => rootRouteImport,
+} as any)
+
+export interface FileRoutesByFullPath {
+  '/': typeof IndexRoute
+  '/demo/tanstack-query': typeof DemoTanstackQueryRoute
+}
+export interface FileRoutesByTo {
+  '/': typeof IndexRoute
+  '/demo/tanstack-query': typeof DemoTanstackQueryRoute
+}
+export interface FileRoutesById {
+  __root__: typeof rootRouteImport
+  '/': typeof IndexRoute
+  '/demo/tanstack-query': typeof DemoTanstackQueryRoute
+}
+export interface FileRouteTypes {
+  fileRoutesByFullPath: FileRoutesByFullPath
+  fullPaths: '/' | '/demo/tanstack-query'
+  fileRoutesByTo: FileRoutesByTo
+  to: '/' | '/demo/tanstack-query'
+  id: '__root__' | '/' | '/demo/tanstack-query'
+  fileRoutesById: FileRoutesById
+}
+export interface RootRouteChildren {
+  IndexRoute: typeof IndexRoute
+  DemoTanstackQueryRoute: typeof DemoTanstackQueryRoute
+}
+
+declare module '@tanstack/react-router' {
+  interface FileRoutesByPath {
+    '/': {
+      id: '/'
+      path: '/'
+      fullPath: '/'
+      preLoaderRoute: typeof IndexRouteImport
+      parentRoute: typeof rootRouteImport
+    }
+    '/demo/tanstack-query': {
+      id: '/demo/tanstack-query'
+      path: '/demo/tanstack-query'
+      fullPath: '/demo/tanstack-query'
+      preLoaderRoute: typeof DemoTanstackQueryRouteImport
+      parentRoute: typeof rootRouteImport
+    }
+  }
+}
+
+const rootRouteChildren: RootRouteChildren = {
+  IndexRoute: IndexRoute,
+  DemoTanstackQueryRoute: DemoTanstackQueryRoute,
+}
+export const routeTree = rootRouteImport
+  ._addFileChildren(rootRouteChildren)
+  ._addFileTypes<FileRouteTypes>()

src/routes/__root.tsx

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+import { Outlet, createRootRouteWithContext } from '@tanstack/react-router'
+import { TanStackRouterDevtoolsPanel } from '@tanstack/react-router-devtools'
+import { TanStackDevtools } from '@tanstack/react-devtools'
+
+import Header from '../components/Header'
+
+import TanStackQueryDevtools from '../integrations/tanstack-query/devtools'
+
+import type { QueryClient } from '@tanstack/react-query'
+
+interface MyRouterContext {
+  queryClient: QueryClient
+}
+
+export const Route = createRootRouteWithContext<MyRouterContext>()({
+  component: () => (
+    <>
+      <Header />
+      <Outlet />
+      <TanStackDevtools
+        config={{
+          position: 'bottom-right',
+        }}
+        plugins={[
+          {
+            name: 'Tanstack Router',
+            render: <TanStackRouterDevtoolsPanel />,
+          },
+          TanStackQueryDevtools,
+        ]}
+      />
+    </>
+  ),
+})

src/routes/demo/tanstack-query.tsx

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+import { createFileRoute } from '@tanstack/react-router'
+import { useQuery } from '@tanstack/react-query'
+
+export const Route = createFileRoute('/demo/tanstack-query')({
+  component: TanStackQueryDemo,
+})
+
+function TanStackQueryDemo() {
+  const { data } = useQuery({
+    queryKey: ['todos'],
+    queryFn: () =>
+      Promise.resolve([
+        { id: 1, name: 'Alice' },
+        { id: 2, name: 'Bob' },
+        { id: 3, name: 'Charlie' },
+      ]),
+    initialData: [],
+  })
+
+  return (
+    <div
+      className="flex items-center justify-center min-h-screen bg-gradient-to-br from-purple-100 to-blue-100 p-4 text-white"
+      style={{
+        backgroundImage:
+          'radial-gradient(50% 50% at 95% 5%, #f4a460 0%, #8b4513 70%, #1a0f0a 100%)',
+      }}
+    >
+      <div className="w-full max-w-2xl p-8 rounded-xl backdrop-blur-md bg-black/50 shadow-xl border-8 border-black/10">
+        <h1 className="text-2xl mb-4">
+          TanStack Query Simple Promise Handling
+        </h1>
+        <ul className="mb-4 space-y-2">
+          {data.map((todo) => (
+            <li
+              key={todo.id}
+              className="bg-white/10 border border-white/20 rounded-lg p-3 backdrop-blur-sm shadow-md"
+            >
+              <span className="text-lg text-white">{todo.name}</span>
+            </li>
+          ))}
+        </ul>
+      </div>
+    </div>
+  )
+}

src/routes/index.tsx

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+import { createFileRoute } from '@tanstack/react-router'
+import logo from '../logo.svg'
+
+export const Route = createFileRoute('/')({
+  component: App,
+})
+
+function App() {
+  return (
+    <div className="text-center">
+      <header className="min-h-screen flex flex-col items-center justify-center bg-[#282c34] text-white text-[calc(10px+2vmin)]">
+        <img
+          src={logo}
+          className="h-[40vmin] pointer-events-none animate-[spin_20s_linear_infinite]"
+          alt="logo"
+        />
+        <p>
+          Edit <code>src/routes/index.tsx</code> and save to reload.
+        </p>
+        <a
+          className="text-[#61dafb] hover:underline"
+          href="https://reactjs.org"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          Learn React
+        </a>
+        <a
+          className="text-[#61dafb] hover:underline"
+          href="https://tanstack.com"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
+          Learn TanStack
+        </a>
+      </header>
+    </div>
+  )
+}

src/styles.css

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+@import 'tailwindcss';
+
+@import 'tw-animate-css';
+
+@custom-variant dark (&:is(.dark *));
+
+body {
+  @apply m-0;
+  font-family:
+    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu',
+    'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family:
+    source-code-pro, Menlo, Monaco, Consolas, 'Courier New', monospace;
+}
+
+:root {
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.141 0.005 285.823);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.141 0.005 285.823);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.141 0.005 285.823);
+  --primary: oklch(0.21 0.006 285.885);
+  --primary-foreground: oklch(0.985 0 0);
+  --secondary: oklch(0.967 0.001 286.375);
+  --secondary-foreground: oklch(0.21 0.006 285.885);
+  --muted: oklch(0.967 0.001 286.375);
+  --muted-foreground: oklch(0.552 0.016 285.938);
+  --accent: oklch(0.967 0.001 286.375);
+  --accent-foreground: oklch(0.21 0.006 285.885);
+  --destructive: oklch(0.577 0.245 27.325);
+  --destructive-foreground: oklch(0.577 0.245 27.325);
+  --border: oklch(0.92 0.004 286.32);
+  --input: oklch(0.92 0.004 286.32);
+  --ring: oklch(0.871 0.006 286.286);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --radius: 0.625rem;
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.141 0.005 285.823);
+  --sidebar-primary: oklch(0.21 0.006 285.885);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.967 0.001 286.375);
+  --sidebar-accent-foreground: oklch(0.21 0.006 285.885);
+  --sidebar-border: oklch(0.92 0.004 286.32);
+  --sidebar-ring: oklch(0.871 0.006 286.286);
+}
+
+.dark {
+  --background: oklch(0.141 0.005 285.823);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.141 0.005 285.823);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.141 0.005 285.823);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.985 0 0);
+  --primary-foreground: oklch(0.21 0.006 285.885);
+  --secondary: oklch(0.274 0.006 286.033);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.274 0.006 286.033);
+  --muted-foreground: oklch(0.705 0.015 286.067);
+  --accent: oklch(0.274 0.006 286.033);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.396 0.141 25.723);
+  --destructive-foreground: oklch(0.637 0.237 25.331);
+  --border: oklch(0.274 0.006 286.033);
+  --input: oklch(0.274 0.006 286.033);
+  --ring: oklch(0.442 0.017 285.786);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.21 0.006 285.885);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.488 0.243 264.376);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.274 0.006 286.033);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(0.274 0.006 286.033);
+  --sidebar-ring: oklch(0.442 0.017 285.786);
+}
+
+@theme inline {
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --color-card: var(--card);
+  --color-card-foreground: var(--card-foreground);
+  --color-popover: var(--popover);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-primary: var(--primary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-secondary: var(--secondary);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-muted: var(--muted);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-accent: var(--accent);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-destructive: var(--destructive);
+  --color-destructive-foreground: var(--destructive-foreground);
+  --color-border: var(--border);
+  --color-input: var(--input);
+  --color-ring: var(--ring);
+  --color-chart-1: var(--chart-1);
+  --color-chart-2: var(--chart-2);
+  --color-chart-3: var(--chart-3);
+  --color-chart-4: var(--chart-4);
+  --color-chart-5: var(--chart-5);
+  --radius-sm: calc(var(--radius) - 4px);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-lg: var(--radius);
+  --radius-xl: calc(var(--radius) + 4px);
+  --color-sidebar: var(--sidebar);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-ring: var(--sidebar-ring);
+}
+
+@layer base {
+  * {
+    @apply border-border outline-ring/50;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}