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eslint-docs

ESLint 10 최신 관행을 공식 문서를 바탕으로 가르칩니다. eslint.config.js(플랫 설정, defineConfig, files, ignores, globalIgnores, extends, languageOptions, globals, parsers, processors) 작성, 검토, 수정, ESLint 규칙 및 심각도 설정, 비활성화 주석 및 인라인 설정, CI에서 CLI 실행(--fix, --cache, --quiet, --max-warnings, bulk suppressions, formatters, feature flags, MCP server), 사용자 정의 규칙 작성(meta, schema, fixes, suggestions, selectors, scope, code paths) 및 RuleTester로 테스트, 플러그인, 공유 가능한 설정, 사용자 정의 파서, 프로세서 또는 포매터 구축, Node.js API(ESLint, Linter) 사용, eslintrc에서 ESLint 9 또는 10으로 마이그레이션 시 사용합니다. 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 관련 질문에 반응합니다.

eslint-docs란 무엇인가요?

이 스킬은 ESLint 10.14.0(https://eslint.org/docs/latest/ 기준)의 공식 문서를 기반으로 최신 모범 사례를 제공합니다. flat config의 함정, 예상치 못한 기본값, 제거된 API 및 문서에서 권장하는 패턴을 다룹니다. 각 참조 파일의 주장은 출처 페이지와 함께 제공됩니다. 주로 해결하는 작업은 eslint.config.js (flat config, defineConfig) 설정, 규칙 심각도 조정, 인라인 비활성화 주석, CI에서의 CLI 사용 (--fix, --cache, --quiet, --max-warnings, bulk suppressions, formatters, MCP server), 사용자 정의 규칙 작성 (meta, schema, fixes, suggestions, selectors, scope, code paths) 및 RuleTester로 테스트, 플러그인 및 공유 가능한 설정 구축, Node.js API (ESLint, Linter) 활용, 그리고 eslintrc에서 ESLint 9/10으로의 마이그레이션입니다.

지원 대상~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/quentin-autret/claude-skills/tree/main/skills/eslint-docs

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즐겨 사용하는 AI에게 물어보기

이 에이전트 스킬이 미리 로드된 새 채팅을 엽니다.

문서

ESLint 10

이 스킬은 https://eslint.org/docs/latest/에 문서화된 ESLint 10.14.0을 다룹니다. 습관과 다른 점(flat config의 함정, 놀라운 기본값, 제거된 API 및 문서가 권장하는 패턴)을 포함합니다. 참조 파일의 각 주장은 출처 페이지와 함께 제공됩니다.

탐색 방법

  1. 아래 빠른 규칙을 읽으십시오. 가장 빈번한 실수를 잡아냅니다.
  2. 마지막 표에서 작업과 일치하는 하나의 참조 파일을 엽니다.
  3. 코드에서 .eslintrc, env, context.getScope() 또는 FlatESLint를 사용하는 경우 먼저 references/migration.md를 읽으십시오.

빠른 시작

npm init @eslint/config@latest
// eslint.config.js
import js from "@eslint/js";
import globals from "globals";
import { defineConfig, globalIgnores } from "eslint/config";

export default defineConfig([
  globalIgnores(["dist/"]),
  {
    files: ["**/*.js", "**/*.mjs", "**/*.cjs"],
    plugins: { js },
    extends: ["js/recommended"],
    languageOptions: { globals: { ...globals.browser } },
    rules: { "no-unused-vars": "warn" },
  },
]);

https://eslint.org/docs/latest/use/getting-started , https://eslint.org/docs/latest/use/configure/configuration-files

빠른 규칙

설정 파일

규칙 및 주석

CLI 및 CI

사용자 정의 규칙 및 통합

이전 패턴

이전현재
.eslintrc.*, package.json의 eslintConfigdefineConfig()를 사용한 eslint.config.js
"extends": "eslint:recommended"plugins: { js }와 함께 extends: ["js/recommended"]
env, /* eslint-env */languageOptions.globals, /* global */
.eslintignore, --ignore-pathglobalIgnores(), includeIgnoreFile()
overridesfiles를 사용한 더 많은 설정 객체
--rulesdir, linter.defineRule()인라인 플러그인 plugins: { local: { rules } }
--no-eslintrc--no-config-lookup
context.getScope(), context.getSourceCode()sourceCode.getScope(node), context.sourceCode
함수 스타일 규칙{ meta, create }
FlatESLint, LegacyESLint, FlatRuleTesterESLint, RuleTester
require-jsdoc, valid-jsdoceslint-plugin-jsdoc

자세한 내용과 전체 목록: references/migration.md.

참조 파일

파일읽을 대상
references/configuration.md설정 파일 이름 및 조회, TypeScript 설정, 설정 객체 키, files 일치, extends, 언어 옵션, 전역 변수, 파서, 프로세서, 언어, 디버깅
references/ignoring-files.md전역 및 비전역 ignores, 기본 ignores, 점 파일, 무시 해제 레시피, .gitignore 가져오기
references/rules-and-inline-config.md심각도, 옵션 병합, 인라인 설정 주석, 비활성화 지시문, linterOptions, 수정 vs 제안, 순환 수정
references/cli.md글로브, --fix, 종료 코드, --quiet, 포매터, 캐시, 일괄 억제, 기능 플래그, 동시성, MCP 서버
references/migration.mdESLint 9 및 10의 주요 변경 사항, codemod, eslintrc에서 flat config로, 변경된 규칙 옵션, 손상된 플러그인
references/custom-rules.md규칙 meta, 로컬 규칙, context.report, 수정, 제안, meta.schema, meta.defaultOptions, 폐지, 제거된 context 메서드
references/ast-scope-code-paths.md선택자, SourceCode 메서드, 스코프, 스코프 관리자 객체, 코드 경로 이벤트, 프로파일링
references/testing-rules.mdRuleTester 기본값, 유효 및 무효 사례, 수정 및 제안 단언, 엄격한 검사, 프레임워크 훅
references/plugins-and-shareable-configs.md플러그인 객체 및 meta, 플러그인 설정, 게시, 공유 가능한 설정, 사용자 정의 파서, 프로세서, 언어, 포매터
references/nodejs-api.mdESLint 옵션 및 메서드, lintText, outputFixes, loadFormatter, LintResult, Linter, SourceCode
references/core-rules-problems.mdTypeScript가 다루는 규칙, 사용되지 않고 선언되지 않은 변수, 섀도잉, 조건, 비동기 오류, 정규식 함정
references/core-rules-restrictions.mdno-restricted-imports, -globals, -properties, -exports, no-restricted-syntax 레시피, 기타 금지, 크기 및 복잡성 제한
references/core-rules-style.md제안 규칙 기본값, 레이아웃 규칙 기본값, 제거된 규칙, 폐지된 옵션

크롤링된 페이지: SOURCES.md.

Individual skills in this repo

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

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.

next-intl-docs

Teaches current next-intl 4 practices for internationalizing Next.js apps, drawn from the official documentation. Use when setting up next-intl with the App Router, writing i18n/request.ts, adding a [locale] segment with defineRouting, createMiddleware in proxy.ts (formerly middleware.ts), building locale switchers with createNavigation, translating with useTranslations or getTranslations, passing messages to NextIntlClientProvider, writing ICU messages (plurals, select, rich text), formatting dates, numbers and lists with useFormatter, translating metadata, Server Actions, Route Handlers, localized 404 and error pages, static rendering with next/root-params, type-safe messages through AppConfig, testing with Jest, Vitest, Storybook, or extracting inline messages with useExtracted. Triggers on next-intl, useTranslations, getTranslations, NextIntlClientProvider, getRequestConfig, i18n routing, locale prefix, localePrefix, NEXT_LOCALE, hreflang, setRequestLocale, ICU messages, App Router internationalization.

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