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next-intl-docs

Enseña las prácticas actuales de next-intl 4 para internacionalizar aplicaciones Next.js, basado en la documentación oficial. Úsalo al configurar next-intl con el App Router, escribir i18n/request.ts, agregar un segmento [locale] con defineRouting, crear middleware en proxy.ts (anteriormente middleware.ts), construir selectores de idioma con createNavigation, traducir con useTranslations o getTranslations, pasar mensajes a NextIntlClientProvider, escribir mensajes ICU (plurales, select, texto enriquecido), formatear fechas, números y listas con useFormatter, traducir metadatos, Server Actions, Route Handlers, páginas de error y 404 localizadas, renderizado estático con next/root-params, mensajes con tipo seguro mediante AppConfig, pruebas con Jest, Vitest, Storybook, o extraer mensajes en línea con useExtracted. Se activa con: next-intl, useTranslations, getTranslations, NextIntlClientProvider, getRequestConfig, enrutamiento i18n, prefijo de locale, localePrefix, NEXT_LOCALE, hreflang, setRequestLocale, mensajes ICU, internacionalización del App Router.

¿Qué es next-intl-docs?

Esta habilidad contiene las prácticas recomendadas para next-intl 4.x, basadas en la documentación oficial (versión 4.14.9). Su objetivo es ayudar a desarrolladores a evitar errores comunes, comprender valores predeterminados sorprendentes y adoptar los patrones más actuales para internacionalizar aplicaciones Next.js con el App Router. Incluye guías rápidas, reglas concisas y archivos de referencia detallados sobre configuración, enrutamiento, navegación, mensajes ICU, formateo, componentes servidor/cliente, extracción de mensajes, TypeScript y herramientas de prueba como Jest, Vitest y Storybook. La habilidad se activa automáticamente ante consultas relacionadas con next-intl, useTranslations, getTranslations, NextIntlClientProvider, getRequestConfig, enrutamiento i18n, prefijo de locale, hreflang, mensajes ICU e internacionalización del App Router, ofreciendo al agente documentación precisa y ejemplos de código actualizados para implementar internacionalización de forma correcta y eficiente.

Compatible con~Claude Code~Codex CLI~Cursor
Part ofNext.js
npx skills add https://github.com/quentin-autret/claude-skills/tree/main/skills/next-intl-docs

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Documentación

next-intl 4

Esta habilidad cubre next-intl 4.x según se documenta en https://next-intl.dev/docs/getting-started (documentos de la versión 4.14.9). Contiene lo que difiere de lo habitual: valores predeterminados sorprendentes, errores comunes, APIs heredadas y los patrones que la documentación recomienda. Cada afirmación en los archivos de referencia termina con la página de la que proviene.

Cómo navegar

  1. Lee el inicio rápido y las reglas rápidas a continuación. Capturan los errores más frecuentes.
  2. Abre el archivo de referencia que coincida con la tarea, desde la tabla al final.
  3. Cuando el código use setRequestLocale, requestLocale o middleware.ts, lee primero la tabla "Patrones antiguos".

Inicio rápido (App Router)

El App Router es la ruta recomendada. El Pages Router aún tiene soporte; consulta references/setup.md. https://next-intl.dev/docs/getting-started/pages-router

// next.config.ts
import {NextConfig} from 'next';
import createNextIntlPlugin from 'next-intl/plugin';

const nextConfig: NextConfig = {};
const withNextIntl = createNextIntlPlugin();
export default withNextIntl(nextConfig);

https://next-intl.dev/docs/getting-started/app-router

Sin URLs basadas en locale, src/i18n/request.ts resuelve el locale a partir de una preferencia del usuario, una cookie en su forma más simple:

// src/i18n/request.ts
import {cookies} from 'next/headers';
import {getRequestConfig} from 'next-intl/server';

export default getRequestConfig(async () => {
  const store = await cookies();
  const locale = store.get('locale')?.value || 'en';
  return {
    locale,
    messages: (await import(`../../messages/${locale}.json`)).default
  };
});

https://next-intl.dev/docs/getting-started/app-router

// src/app/layout.tsx
import {NextIntlClientProvider} from 'next-intl';
import {getLocale} from 'next-intl/server';

export default async function RootLayout({children}) {
  const locale = await getLocale();
  return (
    <html lang={locale}>
      <body>
        <NextIntlClientProvider>{children}</NextIntlClientProvider>
      </body>
    </html>
  );
}

https://next-intl.dev/docs/getting-started/app-router , https://next-intl.dev/docs/usage/configuration

import {useTranslations} from 'next-intl';
import {getTranslations} from 'next-intl/server';

export function HomePage() {
  const t = useTranslations('HomePage'); // componente no async
  return <h1>{t('title')}</h1>;
}

export async function Profile() {
  const t = await getTranslations('ProfilePage'); // componente async
  return <h1>{t('title')}</h1>;
}

https://next-intl.dev/docs/getting-started/app-router

Para URLs de estilo /en/about, agrega src/i18n/routing.ts, src/proxy.ts, src/i18n/navigation.ts y un segmento [locale] de nivel superior: references/routing.md. https://next-intl.dev/docs/routing/setup

Reglas rápidas

Configuración

Enrutamiento

Componentes Cliente (Client Components)

Mensajes

Pruebas

Patrones antiguos

AntiguoActual
src/middleware.tssrc/proxy.ts en Next.js 16, mismo código createMiddleware
setRequestLocale(locale) al inicio de cada layout y páginanext/root-params en i18n/request.ts, el renderizado estático funciona sin él
getRequestConfig(async ({requestLocale}) => ...)getRequestConfig(async ({locale}) => ...) con un respaldo de rootParams.locale()
Claves de mensaje planas "HomePage.title"Objetos anidados {"HomePage": {"title": ...}}
t.raw HTML en dangerouslySetInnerHTMLt.rich (React) o t.markup (cadenas), t.raw solo para omitir análisis, sanitizado

Detalles: references/routing.md y references/messages.md.

Archivos de referencia

ArchivoLéelo para
references/setup.mdPlugin, configuración de solicitud, valores predeterminados del proveedor, locale sin enrutamiento, almacenamiento de mensajes, Pages Router
references/routing.mddefineRouting, segmento [locale], proxy.ts, comparador, next/root-params, renderizado estático, localePrefix, dominios, cookie, enlaces alternativos, nombres de ruta localizados, exportación estática, solución de problemas
references/navigation.mdcreateNavigation, Link, useRouter, usePathname, redirect, getPathname, selector de idioma, href tipado
references/messages.mduseTranslations, espacios de nombres, plurales y select de ICU, texto enriquecido, t.markup, t.raw, t.has, arreglos, mensajes faltantes, onError, zona horaria, now
references/formatting.mduseFormatter: fechas, tiempo relativo, rangos, números, listas, nombres para mostrar, esqueletos ICU, formatos globales
references/server-and-client.mdServer vs Client Components, selección de mensajes, metadatos, Server Actions, Zod, Route Handlers, mapa del sitio, imágenes OG, archivos 404 y de error
references/extraction.mduseExtracted y getExtracted experimentales, opciones experimental del plugin, archivos PO, precompilación, códecs personalizados, monorepos
references/typescript-and-tooling.mdAumento de AppConfig, argumentos con tipo seguro, pruebas con Jest y Vitest, Storybook, núcleo use-intl, requisitos de tiempo de ejecución, linting, gestión de traducciones, convenciones del agente

Páginas rastreadas: SOURCES.md.

Individual skills in this repo

This repo contains 16 individual skills — each has its own dedicated page.

eslint-docs

Teaches current ESLint 10 practices drawn from the official documentation. Use when writing, reviewing or fixing an eslint.config.js (flat config, defineConfig, files, ignores, globalIgnores, extends, languageOptions, globals, parsers, processors), configuring ESLint rules and severities, disable comments and inline config, running the CLI in CI (--fix, --cache, --quiet, --max-warnings, bulk suppressions, formatters, feature flags, MCP server), writing custom rules (meta, schema, fixes, suggestions, selectors, scope, code paths) and testing them with RuleTester, building plugins, shareable configs, custom parsers, processors or formatters, using the Node.js API (ESLint, Linter), or migrating to ESLint 9 or 10 from eslintrc. Triggers on eslint, eslint.config.js, flat config, .eslintrc, .eslintignore, @eslint/js, js/recommended, eslint-disable, no-unused-vars, no-restricted-imports, no-restricted-syntax, RuleTester, eslint-plugin, eslint-config, FlatCompat, context.getScope is not a function, ESLint 10.

grafana-cloud-docs

Grafana Cloud pitfalls, defaults, limits and current patterns from the Grafana, Mimir, Loki and Tempo docs, each tied to its docs URL. Use when sending OpenTelemetry data to Grafana Cloud, writing PromQL, LogQL or TraceQL, controlling cardinality and cost, designing alert rules, routing notifications, provisioning alerting, building Synthetic Monitoring checks, using the /apis dashboard API, choosing access policy tokens or service accounts, or migrating off API keys, the Loki Exporter and legacy /api routes.

javascript-docs

Teaches current JavaScript (ECMAScript) practice drawn from the MDN JavaScript documentation. Use when writing, reviewing or fixing modern JavaScript, choosing a built-in API, or replacing a deprecated pattern. Covers equality and coercion, let/const and the temporal dead zone, strict mode, ASI, functions, classes and private fields, objects, prototypes, Proxy, Reflect, Symbol, eval, operators (??, ?., spread, BigInt arithmetic), statements, Promise, async/await, Promise.try, iterators and iterator helpers, generators, using/await using, DisposableStack, WeakRef, Array (toSorted, at, groupBy, fromAsync), Map, Set methods, WeakMap, strings and Unicode, encodeURIComponent, RegExp (v flag, RegExp.escape, lastIndex), Number, Math, BigInt, JSON (rawJSON, revivers), typed arrays, ArrayBuffer, base64, SharedArrayBuffer, Atomics, Temporal, Date, Intl (DateTimeFormat, NumberFormat, Collator, Segmenter, PluralRules), errors (cause, Error.isError), ES modules, import attributes, import.meta, dynamic import.

nodejs-docs

Teaches Node.js practice drawn from the official Node.js API documentation, with pitfalls, surprising defaults, deprecations and replacements, each backed by its nodejs.org URL. Use when writing, reviewing, debugging or upgrading Node.js code, or choosing a built-in module (fs, crypto, streams, http, process, CLI flags, node:test, ESM/CommonJS, package.json exports, TypeScript type stripping, child_process, worker_threads, node:sqlite, deprecations).

playwright-docs

Pitfalls, surprising defaults and recommended patterns of Playwright Test for JavaScript and TypeScript, distilled from the official docs. Use when writing, reviewing, debugging or configuring Playwright tests (@playwright/test, playwright.config.ts, npx playwright test), including flaky tests, locators (getByRole, filter, strict mode), web-first assertions (expect, toHaveText, toBeVisible, expect.poll, toPass), fixtures, storageState authentication, project dependencies, timeouts, retries, network mocking (page.route, routeFromHAR, routeWebSocket), API testing, clock, aria snapshots, toHaveScreenshot, axe accessibility scans, traces, UI mode, reporters, CI, Docker, sharding, test locks, component testing with stories and mount, codegen, Playwright MCP, playwright-cli and migration from Puppeteer, Protractor, Testing Library or older Playwright versions.

postgresql-docs

Pitfalls, surprising defaults, PostgreSQL 18 changes and recommended patterns from the official PostgreSQL 18 documentation, each backed by its postgresql.org URL. Use when writing or reviewing PostgreSQL SQL, schema design, migrations and ALTER TABLE locks, indexes, transactions, isolation levels and retries, locking, upsert and MERGE, COPY, JSONB, timestamptz, generated and identity columns, partitioning, EXPLAIN, vacuum, roles, row-level security, PL/pgSQL, full-text search, connection settings, and upgrades to PostgreSQL 18.

react-docs

Writes, reviews and upgrades React 19.3 code from the official react.dev documentation. Use when writing components and Hooks, removing unnecessary useEffect calls, fixing Effect dependencies with useEffectEvent, building forms with Actions (useActionState, useOptimistic, useFormStatus, form action), using Server Components, 'use client', 'use server' and Server Functions, Suspense, use(), useTransition, useDeferredValue, ViewTransition, Activity, adopting React Compiler and eslint-plugin-react-hooks, deciding on useMemo, useCallback and memo, server rendering and hydration (createRoot, hydrateRoot, renderToPipeableStream, prerender), or migrating from React 18 (forwardRef, Context.Provider, ReactDOM.render, propTypes, defaultProps). Triggers on React, JSX, hooks, useState, useEffect, useRef, useContext, Server Components, RSC, Actions, React Compiler, Strict Mode, hydration mismatch, React 19 upgrade.

rust-std-docs

Gives current guidance from the official Rust standard library docs (std 1.99.1 stable) on pitfalls, panics, platform differences, discouraged APIs and newer stable replacements. Use when writing, reviewing or refactoring Rust code that uses std, especially collections (Vec, HashMap, BTreeMap, BinaryHeap, entry, extract_if, sort), Option/Result/error handling (expect, ?, Error, ExitCode, panic), iterators (collect, flatten, Peekable, try_fold), Box/Rc/RefCell/Cow/Pin/mem::take, Arc/Mutex/RwLock/OnceLock/LazyLock/thread::scope/mpsc/Condvar/atomics, String/str/fmt/format!/OsString/CString, io/fs/path (BufWriter, OpenOptions, PathBuf::join), process/env/net/time (Command, set_var, TcpStream, Instant, Duration), From/TryFrom/AsRef/Ord/Drop/Deref/Clone, and unsafe raw pointers, MaybeUninit, transmute, NonNull or integer overflow and float ordering.

socketio-docs

Builds, configures and debugs Socket.IO 4.8 servers and clients from the official Socket.IO v4 documentation. Use when writing a Node.js Socket.IO server (Express, Fastify, Koa, Bun, uWebSockets.js) or a socket.io-client app, emitting events with acknowledgements, timeout() and emitWithAck, broadcasting to rooms and namespaces, authenticating in middleware with the auth option, configuring CORS, reverse proxies and sticky sessions, scaling with the Redis, Redis Streams, Postgres, MongoDB or Cluster adapter, enabling connection state recovery and delivery guarantees, tuning reconnection, writing tests, troubleshooting connection issues, or migrating from Socket.IO v2 or v3. Triggers on Socket.IO, socket.io, socket.io-client, io(), new Server, emit, emitWithAck, acknowledgements, rooms, namespaces, broadcast, io.use, middleware, CORS, Redis adapter, sticky sessions, connection state recovery, reconnection, connect_error, Session ID unknown. Not for plain WebSocket servers such as ws without Socket.IO.

tailwindcss-docs

Teaches current Tailwind CSS v4 practices drawn from the official documentation. Use for any task that touches Tailwind CSS v4, even a small one, because many v3 habits silently break in v4. Use when writing or reviewing Tailwind CSS v4 code (utility classes, variants, arbitrary values, theme variables in @theme, @utility, @custom-variant, @apply, @reference, @source), setting up Tailwind in a framework or build tool (Vite plugin, PostCSS plugin, CLI, Next.js, SvelteKit, Nuxt, Angular, Laravel, Rails), customizing the theme (colors, fonts, breakpoints, spacing, animations), building dark mode with a class or data attribute, or migrating a project from Tailwind v3 (tailwind.config.js, @tailwind directives, darkMode class, safelist, bg-opacity, renamed shadow and outline utilities). Triggers on tailwindcss, @import "tailwindcss", @tailwindcss/vite, @tailwindcss/postcss, @tailwindcss/cli, @theme, @custom-variant dark, npx @tailwindcss/upgrade, upgrade to Tailwind v4.

tauri-docs

Tauri 2 apps, tauri.conf.json, capabilities and permissions, commands and invoke, events and channels, plugins, bundling, signing and the updater, migration from Tauri 1. Guides Tauri 2 work from the official v2 documentation, including scopes, managed state, plugin authoring, CSP and the isolation pattern, testing and debugging, Linux, Windows and macOS packages, and mobile and store releases. Use when writing or reviewing a Tauri 2 app, adding a plugin or a capability, fixing a "not allowed" or "forbidden path" error, wiring IPC between Rust and the webview, packaging, signing or publishing a desktop or mobile build, or upgrading a Tauri 1 or 2.0 beta project.

tokio-docs

Gives current guidance from the official tokio documentation (tokio 1.54.1) on async Rust pitfalls, cancel safety, blocking code, surprising defaults and deprecated APIs. Use when writing, reviewing or debugging async Rust code that uses tokio, especially the runtime (#[tokio::main], #[tokio::test], Builder, enable_all, block_on, current_thread, LocalRuntime, shutdown, feature flags), tasks (spawn, JoinHandle, JoinSet, abort, spawn_blocking, block_in_place, LocalSet, spawn_local, task_local), select!, join!, try_join!, cancellation and graceful shutdown, sync primitives (Mutex across .await, RwLock, Semaphore, Notify, OnceCell), channels (mpsc backpressure, oneshot, broadcast lag, watch), time (sleep, interval, MissedTickBehavior, timeout, paused time, start_paused), I/O and networking (AsyncReadExt, BufWriter flush, split, io::copy, framing, TcpListener, TcpStream, UdpSocket), tokio::fs, process (Command, kill_on_drop, Child), signals (ctrl_c, Windows console events) and Windows named pipes.

typescript-docs

Configures, writes and upgrades TypeScript 6.0 code and tsconfig.json from the official TypeScript documentation. Use when upgrading from TypeScript 5.x to 6.0 (strict, types, rootDir, baseUrl, moduleResolution node, target es5, outFile, esModuleInterop), choosing module and moduleResolution, writing package.json exports and imports, fixing ESM and CommonJS interop, enabling verbatimModuleSyntax or erasableSyntaxOnly, setting up project references and tsc --build, writing .d.ts files, checking JavaScript with JSDoc, or debugging narrowing, generics, mapped types, decorators and enums. Triggers on TypeScript, tsc, tsconfig, TS5112, ignoreDeprecations, nodenext, bundler, .d.ts, @ts-check, TypeScript 6 upgrade.

typesense-docs

Pitfalls, surprising defaults and recommended patterns of the Typesense search engine, distilled from the official docs. Use when designing a Typesense collection schema, writing search parameters (q, query_by, filter_by, sort_by, facet_by, group_by), tuning typo tolerance and ranking, building vector, semantic or hybrid search, conversational RAG or natural language search, creating API keys and scoped search keys for multi-tenancy, indexing and import (JSONL, upsert, emplace, dirty_values), syncing from a primary database, reindexing through aliases, managing synonyms (synonym sets), curation sets and stopwords, joins, analytics rules and query suggestions, InstantSearch, migrating from Algolia, or running, clustering, backing up and upgrading a Typesense server.

vite-docs

Teaches current Vite 8 practices drawn from the official documentation. Use when writing or fixing a vite.config, migrating from Vite 7 (Rolldown and Oxc replacing Rollup and esbuild), configuring the dev server, proxy or HMR, handling import.meta.env and modes, tuning the production build, library mode, SSR, writing a Vite plugin, using the HMR or JavaScript API, or the Environment API. Triggers on vite.config, defineConfig, rolldownOptions, import.meta.env, loadEnv, optimizeDeps, ssrLoadModule, ModuleRunner, this.environment, upgrade to Vite 8.

vitest-docs

Teaches current Vitest 5 practices drawn from the official documentation. Use when writing, reviewing or fixing Vitest tests (test, describe, expect, test.for, fixtures with test.extend, hooks, snapshots), mocking with vi (vi.fn, vi.spyOn, vi.mock, vi.when, fake timers, stubGlobal, stubEnv), configuring vitest.config or projects, choosing an environment or pool, filtering and running tests in CI, measuring coverage with v8 or istanbul, debugging slow or flaky suites, testing components in browser mode with Playwright, or migrating from Jest, Mocha or Vitest 4. Triggers on vitest, vi.mock, vi.fn, vitest.config, toMatchSnapshot, expect.poll, coverage thresholds, browser mode, @vitest/browser-playwright, jsdom, happy-dom, migrate Jest to Vitest, upgrade Vitest 5.

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