xxf-di

Register and resolve Swift services with a lightweight dependency injection container.

6|1|Updated May 22, 2025
One-click install
npx skills add https://github.com/NBXXF/xxf_ios --skill xxf-di
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xxf-di
Source: https://github.com/NBXXF/xxf_ios/tree/main/skills/xxf-di
Command: npx skills add https://github.com/NBXXF/xxf_ios --skill xxf-di

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

XXFDi 提供一个轻量级的依赖注入容器,用于模块间解耦、测试替换、以及在运行时策略切换。

Core Features & Use Cases

  • 通过容器注册服务并在需要时解析它们,提升模块解耦和可测试性。
  • 支持在测试中替换实现(mock/stub),方便单元测试。
  • 集中注册点与按模块自注册机制,帮助保持干净的架构设计。

Quick Start

Register a service at startup and resolve it through the DI container to decouple modules.

Frequently Asked Questions about xxf-di

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up a lightweight dependency injection container in Swift for module decoupling?

To set up dependency injection in Swift, use a lightweight container to register services at startup and resolve them across modules. This decouples modules by centralizing configuration and allowing implementations to be swappable at runtime.

Can I use property wrappers like @Injected to resolve services in an iOS project?

Yes, you can use property wrappers like @Injected to resolve services in an iOS project. The DI container supports this mechanism to automatically fetch registered dependencies, simplifying service resolution and enhancing testability.

What is the best way to replace services with mocks for Swift unit testing?

The best way to replace services with mocks for Swift unit testing is through a dependency injection container. By registering stub or mock implementations during test setup, you can isolate modules and swap production services seamlessly.

How does a DI container help with architecture and module decoupling in iOS?

A DI container helps with architecture and module decoupling in iOS by providing a centralized registration point and supporting per-module self-registration. This keeps modules independent, ensuring clean architecture and testable code.

Does this dependency injection approach support runtime strategy switching in Swift?

Yes, this dependency injection approach supports runtime strategy switching in Swift. By resolving services through a centralized container, you can dynamically swap implementations to change application behavior without modifying dependent modules.

When should I avoid using a lightweight dependency injection container in a Swift project?

You should avoid using a lightweight dependency injection container in a Swift project if your architecture requires no centralized configuration or if your modules do not need swappable implementations for testing and runtime strategy switching.