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flutter-dependency-injection

Configure service locator setup using injectable and get_it in Flutter. Use when wiring dependency injection with get_it or injectable.

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含まれるファイル(5)

  • SKILL.md2.3 KB
  • evals/evals.json2.3 KB
  • references/implementation.md527 B
  • references/modules.md882 B
  • references/REFERENCE.md638 B

SKILL.md(原文)

インストールする前に、エージェントに与えられる指示の中身を確認できます。

Dependency Injection

Priority: P1 (HIGH)

Structure

core/injection/
├── injection.dart  # Initialization & setup
└── modules/        # Third-party dependency modules (Dio, Storage)

Implementation Workflow

  1. Annotate classes — Use @injectable annotations; avoid manual registry calls.
  2. Choose scope — Default to @LazySingleton for repositories, services, and data sources (init on demand).
  3. Register BLoCs as factories — Use @injectable (Factory) for BLoCs to ensure state resets per instance. Never use @Singleton() for BLoCs.
  4. Inject abstractions — Always register implementations as abstract interfaces (as: IService).
  5. Register third-party deps — Use @module for external instances (Dio, Hive, SharedPreferences).
  6. Prefer constructor injection — Use mandatory constructor parameters; injectable resolves them automatically.

Registration & Test Mock Examples

See implementation examples for module registration and test mock swap patterns.

Reference & Examples

For module configuration and initialization templates: See references/REFERENCE.md.

Anti-Patterns

  • No Inline getIt Calls: Inject via constructor instead of calling GetIt in UI build()
  • No @Singleton BLoCs: Always use @injectable (Factory) to ensure state resets
  • No Concrete Class Injection: Always inject abstract interface (e.g., IOrderRepository)
  • No Manual Registration: Use @injectable annotations instead of manual getIt.register calls in production code

Related Topics

layer-based-clean-architecture | testing

Canonical response anchors

When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:

  • Dependency Injection
  • abstract interface

Remediation anchors

  • Remediation anchors: factory registration, fresh CartBloc instance

レビュー

まだレビューはありません。使ってみた感想をお寄せください。

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