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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)
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3.0 KiB
Next.js 15 Routing Patterns
App Router Fundamentals
| File | Purpose |
|---|---|
page.tsx |
Unique UI for a route, makes it publicly accessible |
layout.tsx |
Shared UI; does NOT re-render on navigation |
template.tsx |
Like layout but re-renders on navigation |
loading.tsx |
Instant loading state (React Suspense) |
error.tsx |
Error UI boundary (must be Client Component) |
not-found.tsx |
404 UI |
route.ts |
API endpoint (GET, POST, etc.) |
Route Groups
app/
(auth)/
login/page.tsx → /login
register/page.tsx → /register
(app)/
layout.tsx ← shared auth-required layout
dashboard/page.tsx → /dashboard
Route groups (name) organize routes without affecting the URL.
Dynamic Routes
// app/blog/[slug]/page.tsx
export default function Post({ params }: { params: { slug: string } }) {
return <h1>{params.slug}</h1>
}
// Generate static routes at build time
export async function generateStaticParams() {
const posts = await fetchAllPosts()
return posts.map(p => ({ slug: p.slug }))
}
Catch-All & Optional Catch-All
app/shop/[...categories]/page.tsx → /shop/a/b/c
app/shop/[[...categories]]/page.tsx → /shop AND /shop/a/b/c
Parallel Routes (Advanced)
app/
@team/page.tsx
@analytics/page.tsx
layout.tsx ← receives { team, analytics } props
// layout.tsx
export default function Layout({ children, team, analytics }) {
return (
<div>
{children}
<aside>{team}</aside>
<aside>{analytics}</aside>
</div>
)
}
Intercepting Routes
app/
feed/page.tsx
(..)photo/[id]/page.tsx ← intercepts /photo/[id] when navigated from /feed
photo/[id]/page.tsx ← full page on direct URL visit
Useful for modals that maintain background context.
Middleware
// middleware.ts (project root)
import { NextResponse } from "next/server"
import type { NextRequest } from "next/server"
export function middleware(request: NextRequest) {
const token = request.cookies.get("token")
if (!token && request.nextUrl.pathname.startsWith("/dashboard")) {
return NextResponse.redirect(new URL("/login", request.url))
}
return NextResponse.next()
}
export const config = {
matcher: ["/dashboard/:path*", "/api/protected/:path*"],
}
API Routes (Route Handlers)
// app/api/posts/route.ts
import { NextRequest, NextResponse } from "next/server"
export async function GET(request: NextRequest) {
const { searchParams } = new URL(request.url)
const page = searchParams.get("page") ?? "1"
const posts = await fetchPosts(parseInt(page))
return NextResponse.json({ posts })
}
export async function POST(request: NextRequest) {
const body = await request.json()
const post = await createPost(body)
return NextResponse.json(post, { status: 201 })
}