playwright-docs

Armadilhas, padrões surpreendentes e recomendações do Playwright Test para JavaScript e TypeScript, destilados da documentação oficial. Use ao escrever, revisar, depurar ou configurar testes Playwright (@playwright/test, playwright.config.ts, npx playwright test), incluindo testes instáveis, localizadores (getByRole, filter, strict mode), asserções web-first (expect, toHaveText, toBeVisible, expect.poll, toPass), fixtures, autenticação storageState, dependências de projeto, timeouts, repetições, simulação de rede (page.route, routeFromHAR, routeWebSocket), testes de API, clock, snapshots aria, toHaveScreenshot, varreduras de acessibilidade com axe, traces, UI mode, reporters, CI, Docker, sharding, locks de teste, testes de componentes com stories e mount, codegen, Playwright MCP, playwright-cli e migração do Puppeteer, Protractor, Testing Library ou versões antigas do Playwright.

O que é playwright-docs?

Este skill agrupa os pontos mais críticos e fáceis de errar da documentação oficial do Playwright Test para JavaScript e TypeScript. Ele não é um tutorial genérico, mas sim um guia focado em regras de auto-wait, strict mode, timeouts que não se comportam como esperado, limitações de mocking, modos de atualização de snapshots, configurações de CI e APIs removidas. Cada afirmação é acompanhada pelo link direto para a documentação oficial, garantindo verificabilidade. O skill cobre a versão 1.64.1 e inclui referências detalhadas sobre localizadores, ações e eventos, asserções, snapshots, configuração, timeouts, fixtures, rede, testes de API e clock, CI, depuração, testes de componentes e ferramentas de agente (como Playwright MCP). É útil para desenvolvedores e engenheiros de software que desejam evitar armadilhas comuns e adotar as melhores práticas recomendadas pela equipe do Playwright, seja revisando código antigo, depurando testes instáveis ou configurando novos projetos. O conteúdo é estruturado com um início rápido direto ao ponto e uma tabela de arquivos de referência que direcionam o usuário para o domínio exato da tarefa.

Funciona com~Claude Code~Codex CLI~Cursor
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Documentação

Playwright Test (JS/TS) da documentação oficial

Visão geral

Este skill contém o que a documentação do Playwright diz que é fácil de errar: regras de auto-wait, strictness, timeouts que não funcionam como esperado, pontos cegos de simulação (mocking), modos de atualização de snapshots, configurações de CI e APIs removidas. Conselhos genéricos de teste foram deixados de lado. Cada afirmação traz a URL da documentação de onde veio, para que possa ser verificada.

Versão coberta

Playwright Test 1.64.1 para Node.js e TypeScript (@playwright/test). O conteúdo para Python, Java e .NET está excluído. Quando a versão instalada for mais antiga, consulte a tabela de versões em references/version-changes.md antes de aplicar uma API mais nova.

Como navegar

  1. Leia o início rápido abaixo. Ele cobre as regras que importam na maioria dos testes.
  2. Abra o arquivo de referência cujo domínio corresponda à tarefa, a partir da tabela no final.
  3. Antes de revisar código antigo ou atualizar, leia "Padrões antigos" abaixo e references/version-changes.md.

Início rápido

Localizadores

Ações e espera

Asserções

Estrutura e configuração

Rede

CI

Snapshots

Padrões antigos

AntigoAtualFonte
locator.type(), page.type()locator.fill(), ou pressSequentially()https://playwright.dev/docs/release-notes#version-138
page.$(), ElementHandle, page.$eval + expect genéricoLocalizador + asserção web-firsthttps://playwright.dev/docs/handles#locator-vs-elementhandle
expect(await locator.isVisible()).toBe(true)await expect(locator).toBeVisible()https://playwright.dev/docs/best-practices#dont-use-manual-assertions
Pseudo-classe :visiblelocator.visible()https://playwright.dev/docs/release-notes#version-163
Seletores text=Log in, id=, data-testid=getByText, getByTestIdhttps://playwright.dev/docs/other-locators#legacy-text-locator
Seletores de layout :right-of(), :near()localizadores visíveis ao usuáriohttps://playwright.dev/docs/other-locators#css-matching-elements-based-on-layout
Seletores _react, _vuelocalizadores padrãohttps://playwright.dev/docs/release-notes#version-158
page.accessibility@axe-core/playwrighthttps://playwright.dev/docs/release-notes#version-157
globalSetup para login ou seedingprojeto de configuração com dependencieshttps://playwright.dev/docs/test-global-setup-teardown#introduction
test.describe.configure({ mode: 'serial' }) para recurso compartilhadolocks de testehttps://playwright.dev/docs/test-parallel#test-locks
webServer.portwebServer.urlhttps://playwright.dev/docs/test-webserver#configuring-a-web-server
videosPath, videoSizerecordVideo, ou use.video no runnerhttps://playwright.dev/docs/release-notes#version-160
opção de inicialização devtools: trueargs: ['--auto-open-devtools-for-tabs']https://playwright.dev/docs/release-notes#version-158
flag -gv--grep-invert ou -Ghttps://playwright.dev/docs/release-notes#version-154
npx playwright open para gravarnpx playwright codegenhttps://playwright.dev/docs/release-notes#version-154
updateSnapshots: 'all' para atualizar os alterados'changed' ('all' reescreve tudo)https://playwright.dev/docs/release-notes#version-150
waitUntil: 'networkidle'auto-waiting e asserções web-firsthttps://playwright.dev/docs/puppeteer#automation-example
@playwright/experimental-ct-* com JSX mount(<C />)stories + mount('Story/Id', props) de @playwright/testhttps://playwright.dev/docs/test-components#migration-from-the-experimental-packages
navegadores baixados por npm installnpx playwright install --with-depshttps://playwright.dev/docs/release-notes#version-138

Arquivos de referência

ArquivoLeia para
references/locators.mdprioridade de localizador, correspondência de texto, strictness, filter, within, and / or, visible(), shadow DOM, frames, seletores legados
references/actions-and-events.mdverificações de capacidade de ação por ação, force, entrada, arrastar e soltar, diálogos, downloads, uploads, popups, navegação, hidratação, evaluate, scripts de inicialização, handles
references/assertions.mdmatchers web-first versus genéricos, timeouts de asserção, expect.poll, toPass, asserções suaves, matchers personalizados, test.step
references/snapshots-and-accessibility.mdmodos de atualização de snapshot, snapshots aria, tolerâncias e nomenclatura de toHaveScreenshot, snapshots não imagem, varreduras axe
references/configuration.mdestrutura de configuração, escopos e padrões de use, projetos e dependências, dispositivos e emulação, tratamento de TypeScript, webServer
references/timeouts-retries-annotations.mdtodos os timeouts e seus padrões, repetições e reinicializações de worker, modo serial, skip / fail / fixme, tags, testes parametrizados e projetos
references/fixtures-and-auth.mdisolamento, fixtures personalizadas, escopos, opções, ordem de execução, hooks globais, projetos de configuração, page objects, autenticação storageState, papéis, contas por worker
references/network-and-mocking.mdroute, regras glob, cabeçalhos e redirecionamentos que uma rota não pode tocar, gravação e reprodução de HAR, simulações WebSocket, simulações de API do navegador, service workers
references/api-testing-and-clock.mdfixture request, cookies compartilhados versus isolados, descarte de contextos, métodos page.clock e ordenação
references/ci-parallel-sharding.mdlinha de base de CI, GitHub Actions e outros provedores, workers, fullyParallel, locks de teste, sharding, fusão de relatórios blob
references/browsers-and-docker.mdinstalação e cache de navegadores, canais Chromium, proxies e mirrors, imagem Docker, extensões Chrome, WebView2, Selenium Grid
references/debugging-and-reporting.mdflags CLI, --debug, Inspector, modos trace e vídeo, trace viewer, UI mode, reporters
references/component-testing-and-migration.mdteste de componentes com stories e galeria, migração de pacotes ct experimentais, Testing Library, Protractor, Puppeteer
references/codegen-and-agent-tooling.mdcodegen, Library versus Test, canais de release, Agentes de Teste, playwright-cli, Playwright MCP
references/version-changes.mdmudanças de comportamento que quebram compatibilidade, APIs removidas e descontinuadas com substitutos, mudanças de suporte de plataforma

Fontes e detalhes de obtenção estão listados em 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.

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).

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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