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next-intl-docs

next-intl 4의 공식 문서 기반 관행을 가르쳐 Next.js 앱을 국제화합니다. App Router 설정, i18n/request.ts 작성, [locale] 세그먼트 추가, defineRouting, createMiddleware, 언어 전환기, useTranslations/getTranslations, NextIntlClientProvider, ICU 메시지, 포매팅, 메타데이터 번역, 정적 렌더링, 타입-세이프 메시지, 테스트 등에 사용됩니다.

next-intl-docs란 무엇인가요?

이 스킬은 next-intl 4.x 라이브러리를 사용하여 Next.js 애플리케이션을 국제화(i18n)하는 방법에 대한 포괄적인 가이드입니다. 공식 문서(버전 4.14.9 기준)를 기반으로 하며, 예상치 못한 기본값, 함정, 레거시 API 및 권장 패턴을 중점적으로 다룹니다. 이 지식은 Claude Code, Cursor, Codex와 같은 AI 에이전트가 사용자의 i18n 관련 작업을 지원할 때 활용할 수 있습니다. 이 스킬은 App Router와 Pages Router를 모두 지원하며, 특히 App Router에 중점을 둡니다. 주요 기능으로는 i18n/request.ts 설정, defineRouting을 통한 라우팅, createMiddleware를 사용한 미들웨어 (Next.js 16에서는 proxy.ts), createNavigation을 통한 네비게이션, useTranslations/getTranslations을 사용한 번역, NextIntlClientProvider를 통한 클라이언트 컴포넌트 설정, ICU 메시지 (복수형, 선택형, 리치 텍스트), useFormatter를 사용한 날짜/숫자/목록 포매팅, 메타데이터 및 Server Actions 번역, 정적 렌더링, 타입-세이프 메시지(AppConfig), Jest/Vitest/Storybook 테스트 등이 포함됩니다. AI 에이전트는 이 스킬을 사용하여 사용자의 next-intl 관련 질문에 정확하고 최신의 답변을 제공할 수 있습니다. 스킬은 여러 참조 파일(references/setup.md, references/routing.md 등)로 구성되어 있으며, 각 파일은 특정 주제(설정, 라우팅, 네비게이션, 메시지, 포매팅, 서버/클라이언트 컴포넌트, 추출, 타입스크립트/테스트)를 다룹니다. 또한, 구버전 패턴(예: setRequestLocale, middleware.ts)과 현재 권장 패턴을 비교하는 표를 제공하여 마이그레이션을 돕습니다.

지원 대상~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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이 에이전트 스킬이 미리 로드된 새 채팅을 엽니다.

문서

next-intl 4

이 스킬은 https://next-intl.dev/docs/getting-started (4.14.9 버전 기준 문서)에 문서화된 대로 next-intl 4.x를 다룹니다. 일반적인 습관과 다른 점, 예상치 못한 기본값, 함정, 레거시 API 및 문서에서 권장하는 패턴을 포함합니다. 참조 파일의 각 주장은 해당 페이지 출처로 끝납니다.

탐색 방법

  1. 아래의 빠른 시작 및 빠른 규칙을 읽으십시오. 가장 빈번한 실수를 잡아냅니다.
  2. 작업과 일치하는 하나의 참조 파일을 마지막 표에서 열어 보십시오.
  3. 코드에서 setRequestLocale, requestLocale 또는 middleware.ts를 사용하는 경우, 먼저 "이전 패턴" 표를 읽으십시오.

빠른 시작 (App Router)

App Router가 권장 경로입니다. Pages Router는 계속 지원되며, references/setup.md를 참조하십시오. 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

로케일 기반 URL이 없는 경우, src/i18n/request.ts는 사용자 기본 설정, 가장 간단하게는 쿠키에서 로케일을 확인합니다:

// 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'); // 비동기 컴포넌트 아님
  return <h1>{t('title')}</h1>;
}

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

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

/en/about 스타일 URL의 경우, src/i18n/routing.ts, src/proxy.ts, src/i18n/navigation.ts 및 최상위 [locale] 세그먼트를 추가하십시오: references/routing.md. https://next-intl.dev/docs/routing/setup

빠른 규칙

설정

라우팅

  • Next.js 16에서는 파일 이름을 src/proxy.ts로 지정하십시오. import는 next-intl/middleware의 createMiddleware로 유지됩니다. https://next-intl.dev/docs/routing/setup
  • next/root-params의 await rootParams.locale()로 로케일을 읽고, hasLocale(routing.locales, value)로 유효성을 검사한 후, 그렇지 않으면 notFound()를 호출하십시오. Next.js 16.3 이전에는 experimental.rootParams가 필요합니다. https://next-intl.dev/docs/routing/setup
  • next/link 또는 next/navigation 대신 i18n/navigation.ts에서 Link, redirect, usePathname, useRouter 및 getPathname을 가져오십시오. https://next-intl.dev/docs/routing/navigation
  • 해당 모듈의 router.replace(pathname, {locale})로 로케일을 전환하십시오. <Link locale>은 프리페치되지 않으므로 로케일 쿠키를 덮어쓰지 않습니다. https://next-intl.dev/docs/routing/navigation
  • redirect는 항상 로케일을 사용합니다: redirect({href: '/login', locale}). TypeScript가 좁혀지도록 return redirect(...)를 작성하십시오. https://next-intl.dev/docs/routing/navigation
  • 기본 매처는 점이 포함된 경로를 건너뜁니다. /users/jane.doe와 같은 경로에 대해 명시적 항목을 추가하십시오. https://next-intl.dev/docs/routing/middleware

클라이언트 컴포넌트

메시지

테스트

이전 패턴

이전현재
src/middleware.tsNext.js 16에서는 src/proxy.ts, 동일한 createMiddleware 코드
모든 레이아웃과 페이지 상단의 setRequestLocale(locale)i18n/request.ts의 next/root-params, 정적 렌더링이 없이도 작동
getRequestConfig(async ({requestLocale}) => ...)rootParams.locale() fallback이 있는 getRequestConfig(async ({locale}) => ...)
플랫 메시지 키 "HomePage.title"중첩 객체 {"HomePage": {"title": ...}}
dangerouslySetInnerHTML의 t.raw HTMLt.rich (React) 또는 t.markup (문자열), t.raw는 파싱을 건너뛰고 살균된 경우에만 사용

세부 사항: references/routing.md 및 references/messages.md.

참조 파일

파일읽을 대상
references/setup.md플러그인, 요청 구성, 프로바이더 기본값, 라우팅 없는 로케일, 메시지 저장소, Pages Router
references/routing.mddefineRouting, [locale] 세그먼트, proxy.ts, 매처, next/root-params, 정적 렌더링, localePrefix, 도메인, 쿠키, 대체 링크, 지역화된 경로명, 정적 내보내기, 문제 해결
references/navigation.mdcreateNavigation, Link, useRouter, usePathname, redirect, getPathname, 로케일 전환기, 타입이 지정된 href
references/messages.mduseTranslations, 네임스페이스, ICU 복수형 및 선택형, 리치 텍스트, t.markup, t.raw, t.has, 배열, 누락된 메시지, onError, 시간대, now
references/formatting.mduseFormatter: 날짜, 상대 시간, 범위, 숫자, 목록, 표시 이름, ICU 스켈레톤, 전역 형식
references/server-and-client.mdServer vs Client Components, 메시지 선택, 메타데이터, Server Actions, Zod, Route Handlers, 사이트맵, OG 이미지, 404 및 오류 파일
references/extraction.md실험적 useExtracted 및 getExtracted, 플러그인 experimental 옵션, PO 파일, 사전 컴파일, 사용자 정의 코덱, 모노레포
references/typescript-and-tooling.mdAppConfig augmentation, 타입-세이프 인수, Jest 및 Vitest 테스트, Storybook, use-intl 코어, 런타임 요구 사항, 린팅, 번역 관리, 에이전트 규칙

크롤링된 페이지: 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.

관련 스킬