examples: Upgrade core-team-maintained examples to Next.js 16 (#11014)

### Description

Updating core-maintained examples to Next.js 16.

### Testing Instructions

CI, and I also hand-tested them all.

Author: anthonyshew

examples/basic/apps/docs/next-env.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
+import "./.next/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

examples/basic/apps/docs/package.json

@@ -4,16 +4,16 @@
   "type": "module",
   "private": true,
   "scripts": {
-    "dev": "next dev --turbopack --port 3001",
+    "dev": "next dev --port 3001",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint --max-warnings 0",
-    "check-types": "tsc --noEmit"
+    "lint": "eslint --max-warnings 0",
+    "check-types": "next typegen && tsc --noEmit"
   },
   "dependencies": {
     "@repo/ui": "workspace:*",
-    "next": "^15.5.0",
-    "react": "^19.1.0",
+    "next": "^16.0.0",
+    "react": "^19.2.0",
     "react-dom": "^19.1.0"
   },
   "devDependencies": {
@@ -22,7 +22,7 @@
     "@types/node": "^22.15.3",
     "@types/react": "19.1.0",
     "@types/react-dom": "19.1.1",
-    "eslint": "^9.34.0",
+    "eslint": "^9.38.0",
     "typescript": "5.9.2"
   }
 }

examples/basic/apps/web/next-env.d.ts

@@ -1,5 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
+import "./.next/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

examples/basic/apps/web/package.json

@@ -4,16 +4,16 @@
   "type": "module",
   "private": true,
   "scripts": {
-    "dev": "next dev --turbopack --port 3000",
+    "dev": "next dev --port 3000",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint --max-warnings 0",
-    "check-types": "tsc --noEmit"
+    "lint": "eslint --max-warnings 0",
+    "check-types": "next typegen && tsc --noEmit"
   },
   "dependencies": {
     "@repo/ui": "workspace:*",
-    "next": "^15.5.0",
-    "react": "^19.1.0",
+    "next": "^16.0.0",
+    "react": "^19.2.0",
     "react-dom": "^19.1.0"
   },
   "devDependencies": {
@@ -22,7 +22,7 @@
     "@types/node": "^22.15.3",
     "@types/react": "19.1.0",
     "@types/react-dom": "19.1.1",
-    "eslint": "^9.34.0",
+    "eslint": "^9.38.0",
     "typescript": "5.9.2"
   }
 }

examples/basic/packages/eslint-config/next.js

@@ -1,4 +1,5 @@
 import js from "@eslint/js";
+import { globalIgnores } from "eslint/config";
 import eslintConfigPrettier from "eslint-config-prettier";
 import tseslint from "typescript-eslint";
 import pluginReactHooks from "eslint-plugin-react-hooks";
@@ -17,6 +18,13 @@ export const nextJsConfig = [
   js.configs.recommended,
   eslintConfigPrettier,
   ...tseslint.configs.recommended,
+  globalIgnores([
+    // Default ignores of eslint-config-next:
+    ".next/**",
+    "out/**",
+    "build/**",
+    "next-env.d.ts",
+  ]),
   {
     ...pluginReact.configs.flat.recommended,
     languageOptions: {

examples/basic/packages/eslint-config/package.json

@@ -11,7 +11,7 @@
   "devDependencies": {
     "@eslint/js": "^9.34.0",
     "@next/eslint-plugin-next": "^15.5.0",
-    "eslint": "^9.34.0",
+    "eslint": "^9.38.0",
     "eslint-config-prettier": "^10.1.1",
     "eslint-plugin-only-warn": "^1.1.0",
     "eslint-plugin-react": "^7.37.5",

examples/basic/packages/ui/package.json

@@ -16,11 +16,11 @@
     "@types/node": "^22.15.3",
     "@types/react": "19.1.0",
     "@types/react-dom": "19.1.1",
-    "eslint": "^9.34.0",
+    "eslint": "^9.38.0",
     "typescript": "5.9.2"
   },
   "dependencies": {
-    "react": "^19.1.0",
+    "react": "^19.2.0",
     "react-dom": "^19.1.0"
   }
 }