chore: Migrate with-prefetching example to typescript (#40671)

## Documentation / Examples - [x] Make sure the linting passes by running `pnpm lint` - [x] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
vercel · Sep 19, 2022 · 24b20dd · 24b20dd
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Showing 8 changed files with 29 additions and 3 deletions.
diff --git a/examples/with-prefetching/components/Nav.js → examples/with-prefetching/components/Nav.tsx b/examples/with-prefetching/components/Nav.js → examples/with-prefetching/components/Nav.tsx
diff --git a/examples/with-prefetching/package.json b/examples/with-prefetching/package.json
@@ -7,7 +7,12 @@
   },
   "dependencies": {
     "next": "latest",
-    "react": "^17.0.2",
-    "react-dom": "^17.0.2"
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
+  },
+  "devDependencies": {
+    "@types/node": "18.7.18",
+    "@types/react": "18.0.20",
+    "typescript": "4.8.3"
   }
 }
diff --git a/examples/with-prefetching/pages/_app.js → examples/with-prefetching/pages/_app.tsx b/examples/with-prefetching/pages/_app.js → examples/with-prefetching/pages/_app.tsx
@@ -1,6 +1,7 @@
+import type { AppProps } from 'next/app'
 import Nav from '../components/Nav'
 
-export default function App({ Component, pageProps }) {
+export default function App({ Component, pageProps }: AppProps) {
   return (
     <>
       <Nav />

diff --git a/examples/with-prefetching/pages/about.js → examples/with-prefetching/pages/about.tsx b/examples/with-prefetching/pages/about.js → examples/with-prefetching/pages/about.tsx
diff --git a/examples/with-prefetching/pages/contact.js → examples/with-prefetching/pages/contact.tsx b/examples/with-prefetching/pages/contact.js → examples/with-prefetching/pages/contact.tsx
diff --git a/examples/with-prefetching/pages/features.js → examples/with-prefetching/pages/features.tsx b/examples/with-prefetching/pages/features.js → examples/with-prefetching/pages/features.tsx
diff --git a/examples/with-prefetching/pages/index.js → examples/with-prefetching/pages/index.tsx b/examples/with-prefetching/pages/index.js → examples/with-prefetching/pages/index.tsx
diff --git a/examples/with-prefetching/tsconfig.json b/examples/with-prefetching/tsconfig.json
@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "incremental": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve"
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
+  "exclude": ["node_modules"]
+}