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fastify

Fastify (Node.js 高速 HTTP サーバーフレームワーク, v5) の API リファレンス。

`fastify.register`, encapsulation, `fastify-plugin`, `decorateRequest` / `decorateReply`, `onRequest` / `preHandler` / `onSend` フック, JSON Schema + Ajv, Type Providers (TypeBox / Zod), `fastify.inject`, `FST_ERR_*`, find-my-way ルーティング, fastify-cli, v4→v5 移行。

The English summary is being prepared. Showing the original description.

See how to install

Files included (110)

  • SKILL.md7.2 KB
  • references/errors-logging/error-handling.md4.0 KB
  • references/errors-logging/fastify-error-codes.md18.9 KB
  • references/errors-logging/logging.md4.2 KB
  • references/errors-logging/README.md787 B
  • references/getting-started/cli-usage.md820 B
  • references/getting-started/first-plugin.md1.8 KB
  • references/getting-started/first-server.md1.4 KB
  • references/getting-started/installation.md486 B
  • references/getting-started/loading-order.md1.3 KB
  • references/getting-started/lts.md1.6 KB
  • references/getting-started/README.md1.2 KB
  • references/getting-started/request-payload.md544 B
  • references/getting-started/serializing-data.md940 B
  • references/getting-started/validate-data.md1018 B
  • references/getting-started/warnings.md3.6 KB
  • references/guides/benchmarking.md981 B
  • references/guides/database.md2.5 KB
  • references/guides/delay-accepting-requests.md2.7 KB
  • references/guides/detecting-client-abort.md1.6 KB
  • references/guides/migration-v3.md2.7 KB
  • references/guides/migration-v4.md2.3 KB
  • references/guides/migration-v5.md5.8 KB
  • references/guides/prototype-poisoning.md3.6 KB
  • references/guides/README.md1.6 KB
  • references/guides/recommendations.md1.8 KB
  • references/guides/serverless.md2.1 KB
  • references/guides/testing.md2.1 KB
  • references/hooks-lifecycle/application-hooks.md5.6 KB
  • references/hooks-lifecycle/diagnostics-channel-hooks.md2.3 KB
  • references/hooks-lifecycle/hook-scope.md1.6 KB
  • references/hooks-lifecycle/lifecycle.md4.9 KB
  • references/hooks-lifecycle/README.md1.3 KB
  • references/hooks-lifecycle/request-hooks.md7.6 KB
  • references/hooks-lifecycle/route-level-hooks.md2.9 KB
  • references/plugins/decorators.md4.0 KB
  • references/plugins/encapsulation.md4.6 KB
  • references/plugins/fastify-plugin.md2.6 KB
  • references/plugins/middleware.md2.3 KB
  • references/plugins/plugins-guide.md6.5 KB
  • references/plugins/plugins.md4.4 KB
  • references/plugins/README.md1.4 KB
  • references/plugins/write-plugin.md1.4 KB
  • references/request-reply/README.md1.4 KB
  • references/request-reply/reply-errors.md2.5 KB
  • references/request-reply/reply-hijack-trailers.md3.4 KB
  • references/request-reply/reply-methods.md2.6 KB
  • references/request-reply/reply-redirect.md1.4 KB
  • references/request-reply/reply-send.md4.0 KB
  • references/request-reply/reply-serialization.md2.6 KB
  • references/request-reply/request.md8.3 KB
  • references/routing/async-await-handlers.md2.3 KB
  • references/routing/constraints-versioning.md5.1 KB
  • references/routing/http2.md2.2 KB
  • references/routing/README.md1.4 KB
  • references/routing/route-config-log-level.md2.8 KB
  • references/routing/route-options.md6.7 KB
  • references/routing/route-prefixing.md2.4 KB
  • references/routing/shorthand-declaration.md1.7 KB
  • references/routing/url-parameters.md3.5 KB
  • references/server/content-type-parser.md3.1 KB
  • references/server/factory-options.md5.3 KB
  • references/server/instance-content-type.md1.9 KB
  • references/server/instance-decorators.md1.2 KB
  • references/server/instance-handlers.md2.2 KB
  • references/server/instance-inject.md830 B
  • references/server/instance-lifecycle.md2.8 KB
  • references/server/instance-misc.md1.8 KB
  • references/server/instance-plugins.md1.6 KB
  • references/server/instance-routing.md3.1 KB
  • references/server/instance-schemas.md2.4 KB
  • references/server/README.md1.9 KB
  • references/server/router-options.md2.3 KB
  • references/typescript/api-type-system.md9.3 KB
  • references/typescript/code-completion-tips.md2.4 KB
  • references/typescript/getting-started.md1.1 KB
  • references/typescript/plugin-typing.md3.4 KB
  • references/typescript/README.md951 B
  • references/typescript/route-generics.md2.5 KB
  • references/validation-serialization/ajv-configuration.md3.5 KB
  • references/validation-serialization/fluent-schema.md2.0 KB
  • references/validation-serialization/README.md1.7 KB
  • references/validation-serialization/response-serialization.md2.5 KB
  • references/validation-serialization/schema-basics.md4.5 KB
  • references/validation-serialization/schema-error-handling.md2.9 KB
  • references/validation-serialization/schema-refs-shared.md2.7 KB
  • references/validation-serialization/type-providers.md4.2 KB
  • references/validation-serialization/validator-serializer-compiler.md3.8 KB
  • references/validation-serialization/write-type-provider.md1.1 KB
  • samples/basic-server.md1008 B
  • samples/database-integration.md1.9 KB
  • samples/decorators.md918 B
  • samples/error-handling.md983 B
  • samples/graceful-shutdown.md2.5 KB
  • samples/hooks-auth.md1.4 KB
  • samples/logging-pino.md764 B
  • samples/plugin-encapsulation.md1.1 KB
  • samples/README.md2.2 KB
  • samples/serverless-lambda.md1.3 KB
  • samples/testing-inject.md866 B
  • samples/type-provider-typebox.md1.0 KB
  • samples/typescript-server.md2.5 KB
  • samples/validation-json-schema.md1.1 KB
  • scripts/benchmark.md1.2 KB
  • scripts/debug.md544 B
  • scripts/dev.md3.6 KB
  • scripts/generate.md1.9 KB
  • scripts/install.md2.9 KB
  • scripts/README.md1.0 KB
  • scripts/test.md962 B

SKILL.md (original)

Review the instructions the agent will receive before you install.

Fastify API リファレンス

Fastify — Node.js ネイティブの高速 HTTP サーバーフレームワーク(対象バージョン v5.12.7)。 encapsulation されたプラグインツリー・decorators・ライフサイクルフック・JSON Schema ベースの validation/serialization を中核とする API 設計・実装時に参照する。

hono(Web Standards / マルチランタイム JS)・go-echo(Go)・fandhe-backend(Rust)は別フレームワークであり、 同名の Router / plugin / middleware / hooks 概念を混同しない。pino は Fastify のロガー本体(Fastify 側は logger / loggerInstance 接続 API のみ)、zod はスキーマライブラリ本体(Fastify では Type Provider 経由で接続) であり、それぞれの API 自体は各スキルを参照する。

v4→v5 の破壊的変更は references/guides/migration-v5.md に一覧があり、影響を受ける個別ページには ## Notes に per-page で明記している(server/instance-lifecycle.md, server/instance-routing.md, server/instance-decorators.md, server/instance-content-type.md, request-reply/request.md, request-reply/reply-redirect.md, request-reply/reply-hijack-trailers.md, errors-logging/logging.md, validation-serialization/schema-basics.md, validation-serialization/type-providers.md, plugins/plugins.md, routing/constraints-versioning.md 等)。

ディレクトリ構成

skills/fastify/
  SKILL.md
  references/
    getting-started/
      README.md
      installation.md
      first-server.md
      first-plugin.md
      loading-order.md
      validate-data.md
      serializing-data.md
      request-payload.md
      cli-usage.md
      lts.md
      warnings.md
    server/
      README.md
      factory-options.md
      router-options.md
      instance-lifecycle.md
      instance-routing.md
      instance-plugins.md
      instance-decorators.md
      instance-schemas.md
      instance-handlers.md
      instance-content-type.md
      instance-inject.md
      instance-misc.md
      content-type-parser.md
    routing/
      README.md
      route-options.md
      shorthand-declaration.md
      url-parameters.md
      async-await-handlers.md
      route-prefixing.md
      constraints-versioning.md
      route-config-log-level.md
      http2.md
    request-reply/
      README.md
      request.md
      reply-methods.md
      reply-send.md
      reply-serialization.md
      reply-redirect.md
      reply-errors.md
      reply-hijack-trailers.md
    hooks-lifecycle/
      README.md
      lifecycle.md
      request-hooks.md
      application-hooks.md
      hook-scope.md
      route-level-hooks.md
      diagnostics-channel-hooks.md
    plugins/
      README.md
      plugins.md
      encapsulation.md
      fastify-plugin.md
      decorators.md
      middleware.md
      write-plugin.md
      plugins-guide.md
    validation-serialization/
      README.md
      schema-basics.md
      ajv-configuration.md
      schema-refs-shared.md
      response-serialization.md
      validator-serializer-compiler.md
      schema-error-handling.md
      type-providers.md
      write-type-provider.md
      fluent-schema.md
    typescript/
      README.md
      getting-started.md
      route-generics.md
      plugin-typing.md
      api-type-system.md
      code-completion-tips.md
    errors-logging/
      README.md
      error-handling.md
      fastify-error-codes.md
      logging.md
    guides/
      README.md
      testing.md
      serverless.md
      recommendations.md
      database.md
      benchmarking.md
      delay-accepting-requests.md
      detecting-client-abort.md
      prototype-poisoning.md
      migration-v5.md
      migration-v4.md
      migration-v3.md
  samples/
    README.md
    basic-server.md
    plugin-encapsulation.md
    decorators.md
    hooks-auth.md
    validation-json-schema.md
    type-provider-typebox.md
    typescript-server.md
    error-handling.md
    logging-pino.md
    testing-inject.md
    serverless-lambda.md
    graceful-shutdown.md
    database-integration.md
  scripts/
    README.md
    install.md
    generate.md
    dev.md
    debug.md
    test.md
    benchmark.md

探索手順

タスクからカテゴリを引き、カテゴリの README.md で目的のページを特定する:

  1. 下記マッピング表でタスクに対応するカテゴリを探す
  2. そのカテゴリの references/{category}/README.md を参照して目的のページを特定する
  3. 該当ページの .md を Read して詳細を確認する

タスク → カテゴリ マッピング

タスクカテゴリ参照 README
プロジェクト初期セットアップ、最小サーバー起動、CLI 利用、警告コード (FSTWRN / FSTDEP / FSTSEC)getting-startedreferences/getting-started/README.md
ファクトリオプション、find-my-way ルーターオプション、インスタンスライフサイクル、fastify.injectserverreferences/server/README.md
ルート宣言 (QUERY メソッド fastify.query 含む)、URL パラメータ、async/await ハンドラー、バージョニング制約、HTTP/2routingreferences/routing/README.md
Request プロパティ、Reply メソッド、reply.send、リダイレクト、hijack/trailersrequest-replyreferences/request-reply/README.md
onRequest 等のリクエストフック、アプリケーションフック、フックスコープ、diagnostics_channelhooks-lifecyclereferences/hooks-lifecycle/README.md
fastify.register、encapsulation、fastify-plugin、decorators、Express 互換 middlewarepluginsreferences/plugins/README.md
JSON Schema + Ajv、response シリアライズ、Type Providers (TypeBox/Zod)、fluent-schemavalidation-serializationreferences/validation-serialization/README.md
TypeScript 型付け、ルートジェネリクス、プラグインの型、型補完typescriptreferences/typescript/README.md
エラーハンドリング、FST_ERR_* コード一覧、Pino ロガー接続errors-loggingreferences/errors-logging/README.md
テスト、サーバーレスデプロイ、DB 連携、ベンチマーク、v3/v4/v5 移行ガイドguidesreferences/guides/README.md
典型的な使い方を知りたいsamplessamples/README.md
インストール・CLI コマンドを知りたいscriptsscripts/README.md

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