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NOVAS SKILLS: - next-best-practices v0.1.0 (CLEAN) — Next.js App Router, RSC, caching, data - nextjs-patterns v1.0.0 (CLEAN) — Next.js 15: Server Actions, route handlers - vite v1.0.0 (CLEAN) — env vars, aliases, proxy, CJS compat - uncle-bob v1.0.0 (CLEAN) — Clean Code, SOLID, Clean Architecture - clean-code-review v1.0.0 (CLEAN) — naming, guard clauses, anti-patterns, refactoring - vue v1.0.0 (CLEAN) — Vue framework - vue-composition-api-best-practices v1.0.0 (CLEAN) — composables, Pinia, reactivity BIBLIOTECA INTELIGENTE libs/ (10 dominios, 11 arquivos): - typescript/ — TS safe + generics gotchas - react/ — Next.js App Router + Vite config - vue/ — Composition API + Pinia - linux/ — System diagnostic cheatsheet - database/ — PostgreSQL + MySQL patterns - browser/ — Chromium CLI + E2E testing - security/ — SAST audit (OWASP Top 10) - best-practices/ — Clean Code + SOLID + Clean Architecture - deploy/ — Docker multi-stack + OpenClaw ops - + INDEX.md como guia de navegacao .learnings/ — LRN-20260519-003 criado (biblioteca compartilhada)
141 lines
3.4 KiB
Markdown
141 lines
3.4 KiB
Markdown
# File Conventions
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Next.js App Router uses file-based routing with special file conventions.
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## Project Structure
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Reference: https://nextjs.org/docs/app/getting-started/project-structure
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```
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app/
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├── layout.tsx # Root layout (required)
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├── page.tsx # Home page (/)
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├── loading.tsx # Loading UI
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├── error.tsx # Error UI
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├── not-found.tsx # 404 UI
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├── global-error.tsx # Global error UI
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├── route.ts # API endpoint
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├── template.tsx # Re-rendered layout
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├── default.tsx # Parallel route fallback
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├── blog/
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│ ├── page.tsx # /blog
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│ └── [slug]/
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│ └── page.tsx # /blog/:slug
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└── (group)/ # Route group (no URL impact)
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└── page.tsx
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```
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## Special Files
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| File | Purpose |
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|------|---------|
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| `page.tsx` | UI for a route segment |
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| `layout.tsx` | Shared UI for segment and children |
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| `loading.tsx` | Loading UI (Suspense boundary) |
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| `error.tsx` | Error UI (Error boundary) |
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| `not-found.tsx` | 404 UI |
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| `route.ts` | API endpoint |
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| `template.tsx` | Like layout but re-renders on navigation |
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| `default.tsx` | Fallback for parallel routes |
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## Route Segments
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```
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app/
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├── blog/ # Static segment: /blog
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├── [slug]/ # Dynamic segment: /:slug
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├── [...slug]/ # Catch-all: /a/b/c
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├── [[...slug]]/ # Optional catch-all: / or /a/b/c
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└── (marketing)/ # Route group (ignored in URL)
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```
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## Parallel Routes
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```
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app/
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├── @analytics/
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│ └── page.tsx
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├── @sidebar/
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│ └── page.tsx
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└── layout.tsx # Receives { analytics, sidebar } as props
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```
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## Intercepting Routes
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```
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app/
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├── feed/
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│ └── page.tsx
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├── @modal/
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│ └── (.)photo/[id]/ # Intercepts /photo/[id] from /feed
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│ └── page.tsx
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└── photo/[id]/
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└── page.tsx
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```
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Conventions:
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- `(.)` - same level
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- `(..)` - one level up
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- `(..)(..)` - two levels up
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- `(...)` - from root
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## Private Folders
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```
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app/
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├── _components/ # Private folder (not a route)
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│ └── Button.tsx
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└── page.tsx
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```
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Prefix with `_` to exclude from routing.
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## Middleware / Proxy
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### Next.js 14-15: `middleware.ts`
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```ts
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// middleware.ts (root of project)
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import { NextResponse } from 'next/server';
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import type { NextRequest } from 'next/server';
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export function middleware(request: NextRequest) {
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// Auth, redirects, rewrites, etc.
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return NextResponse.next();
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}
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export const config = {
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matcher: ['/dashboard/:path*', '/api/:path*'],
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};
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```
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### Next.js 16+: `proxy.ts`
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Renamed for clarity - same capabilities, different names:
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```ts
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// proxy.ts (root of project)
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import { NextResponse } from 'next/server';
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import type { NextRequest } from 'next/server';
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export function proxy(request: NextRequest) {
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// Same logic as middleware
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return NextResponse.next();
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}
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export const proxyConfig = {
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matcher: ['/dashboard/:path*', '/api/:path*'],
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};
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```
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| Version | File | Export | Config |
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|---------|------|--------|--------|
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| v14-15 | `middleware.ts` | `middleware()` | `config` |
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| v16+ | `proxy.ts` | `proxy()` | `proxyConfig` |
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**Migration**: Run `npx @next/codemod@latest upgrade` to auto-rename.
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## File Conventions Reference
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Reference: https://nextjs.org/docs/app/api-reference/file-conventions
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