▸case-01 I have an existing Next.js e-commerce app running on the legacy Pages Router and want to transition it over to the modern App Router architecture. Could you walk me through a step-by-step migration guide, detailing how to refactor page components into Server Components and restructure data fetching methods like `getStaticProps` into the new model? Please present the response as a clear execution plan followed by key architectural considerations. | fail→fail | 24,335 | 18,154 | -25% | 1 | 1 | 0% | 4,420 | 3,782 | -14% | 0 | 0 | — |
▸case-02 We are building a real-time analytics dashboard in Next.js 14 where user settings can be updated via mutations. Can you design a full-stack pattern using Server Components and Server Actions? Please provide a code blueprint showing how to organize the layout, manage data revalidation upon form submission, and incorporate progressive streaming loading UI for heavy chart widgets. | fail→fail | 36,383 | 18,973 | -48% | 1 | 1 | 0% | 4,718 | 3,999 | -15% | 0 | 0 | — |
▸case-03 I need to implement a modal photo gallery route in our Next.js application where clicking an item opens an overlay without losing the background page context, while still supporting direct URL navigation to the item page. Please explain how to set up the directory structure and layout files for this functionality, providing code snippets for both the parallel slot and intercepting route components. | fail→fail | 21,011 | 11,404 | -46% | 1 | 1 | 0% | 4,078 | 2,537 | -38% | 0 | 0 | — |
▸case-04 We are maintaining a legacy Next.js application built entirely on the Pages Router using custom Express.js server bindings and `server.js` custom routing. We need to configure custom HTTP headers and custom routing logic for legacy `/api/old-endpoint` inside Express. How should we configure the Express server file and `next.config.js` for this Pages Router setup? | pass→pass | 18,091 | 13,643 | -25% | 1 | 1 | 0% | 3,330 | 2,588 | -22% | 0 | 0 | — |
▸case-05 We are building a single-page application using pure React with Vite and Redux Toolkit. We do not use Next.js or any server-side framework. How should we set up our Redux store slices and configure dynamic chunk splitting in `vite.config.ts` for optimal bundle size? | pass→pass | 14,677 | 14,331 | -2% | 1 | 1 | 0% | 2,878 | 3,091 | +7% | 0 | 0 | — |
▸case-06 We have a legacy React 17 client-side SPA bundled with standalone Webpack 5. We need to analyze our bundle output using `webpack-bundle-analyzer` and optimize code splitting using Webpack's `optimization.splitChunks` settings. How do we configure this in `webpack.config.js`? | pass→pass | 18,675 | 10,645 | -43% | 1 | 1 | 0% | 3,317 | 2,358 | -29% | 0 | 0 | — |
▸case-07 We are architecting a complex Next.js App Router application with deep caching, revalidation, and detailed server component implementation patterns. Can you provide comprehensive, detailed implementation patterns and code examples for caching strategies and data fetching? | fail→fail | 24,799 | 14,016 | -43% | 1 | 1 | 0% | 4,698 | 3,001 | -36% | 0 | 0 | — |
▸case-08 I want to build a profile update form in a Next.js App Router application using Server Actions with optimistic UI updates and field validation. Please provide a full guide with code snippets. | fail→fail | 20,821 | 17,063 | -18% | 1 | 1 | 0% | 4,185 | 3,935 | -6% | 0 | 0 | — |
▸case-09 I am setting up a dashboard in Next.js App Router with two side-by-side parallel slots (@analytics and @team). Provide a complete walkthrough with directory setup and slot error boundaries. | fail→fail | 14,996 | 13,223 | -12% | 1 | 1 | 0% | 3,323 | 3,113 | -6% | 0 | 0 | — |
▸case-10 We need to protect routes in Next.js App Router using middleware and route handlers for token verification. Show me how to configure the middleware file and check sessions on Server Components. | fail→fail | 18,955 | 12,355 | -35% | 1 | 1 | 0% | 3,493 | 2,670 | -24% | 0 | 0 | — |
▸case-11 Our Next.js App Router product catalog page loads slowly due to database queries. We want to implement granular Suspense boundaries and dynamic rendering. Walk me through the implementation. | fail→fail | 18,774 | 26,550 | +41% | 1 | 1 | 0% | 3,368 | 2,877 | -15% | 0 | 0 | — |
▸case-12 We are building a CMS-driven site in Next.js App Router and want to use fetch tags and revalidateTag inside Server Actions to purge stale cache. Provide the complete setup. | fail→fail | 16,640 | 19,216 | +15% | 1 | 1 | 0% | 3,294 | 4,489 | +36% | 0 | 0 | — |
▸case-13 How do we build a slide-over drawer for item details in Next.js App Router using intercepting routes (`(.)items/[id]`) that preserves state on page refresh? | fail→fail | 18,806 | 12,401 | -34% | 1 | 1 | 0% | 3,692 | 2,717 | -26% | 0 | 0 | — |
▸case-14 We are building API Route Handlers in Next.js App Router (`app/api/data/route.ts`) that need to accept POST requests from mobile apps and web clients with CORS headers. Show how to write the route handler. | fail→fail | 11,856 | 13,061 | +10% | 1 | 1 | 0% | 2,389 | 2,927 | +23% | 0 | 0 | — |
▸case-15 We are implementing internationalization (i18n) in Next.js App Router using `[lang]` dynamic segment paths. Explain the middleware and dictionary loading pattern. | fail→fail | 17,004 | 14,749 | -13% | 1 | 1 | 0% | 3,118 | 3,182 | +2% | 0 | 0 | — |
▸case-16 I want to manage search, sorting, and pagination in a Next.js App Router catalog using URL search parameters and Server Components without Client Component state. How do I construct this? | fail→fail | 19,576 | 14,965 | -24% | 1 | 1 | 0% | 3,912 | 3,208 | -18% | 0 | 0 | — |
▸case-17 We have 10,000 blog posts in a CMS. How do we configure `generateStaticParams` in Next.js App Router for optimal build time and dynamic fallback caching? | fail→fail | 16,756 | 11,906 | -29% | 1 | 1 | 0% | 2,961 | 2,535 | -14% | 0 | 0 | — |
▸case-18 How do we enable and disable Draft Mode in Next.js App Router for CMS live content previews using Route Handlers? | fail→fail | 12,599 | 9,942 | -21% | 1 | 1 | 0% | 2,246 | 2,281 | +2% | 0 | 0 | — |
▸case-19 We need to dynamically generate dynamic `sitemap.ts` and `robots.ts` files in Next.js App Router from a database query. How do we write these dynamic metadata files? | fail→fail | 13,385 | 11,480 | -14% | 1 | 1 | 0% | 2,829 | 2,698 | -5% | 0 | 0 | — |
▸case-20 Explain how `error.tsx`, `global-error.tsx`, and `not-found.tsx` work together in Next.js App Router nesting, and provide examples of recovering from error boundaries. | fail→fail | 18,220 | 18,898 | +4% | 1 | 1 | 0% | 3,640 | 3,803 | +4% | 0 | 0 | — |
▸case-21 We need to load external analytics scripts in Next.js App Router using Next.js `Script` component across server layouts. How do we structure script loading strategy? | fail→fail | 14,832 | 11,375 | -23% | 1 | 1 | 0% | 2,776 | 2,404 | -13% | 0 | 0 | — |
▸case-22 How do we use `useOptimistic` in client components paired with Next.js App Router Server Actions for instant comment posting? | fail→fail | 13,918 | 13,616 | -2% | 1 | 1 | 0% | 2,900 | 3,047 | +5% | 0 | 0 | — |