Configure Angular v20+ dependency injection with inject(), tokens, and providers.
npx skills add https://github.com/ROU-Technology/ng-utils --skill angular-di
Please help me install this Agent Skill. Skill: angular-di Source: https://github.com/ROU-Technology/ng-utils/tree/main/.agents/skills/angular-di Command: npx skills add https://github.com/ROU-Technology/ng-utils --skill angular-di
Angular dependency injection can become verbose and hard to manage at scale. This Skill introduces the modern Angular v20+ DI ergonomics using inject(), tokens, and provider configuration to simplify wiring dependencies across components, services, and routes.
Create a minimal Angular 20+ app and demonstrate the inject API by defining a simple service and a component that uses inject() to obtain the service.
High-intent search queries and answers about installing and using this skill.
Use the Angular inject() function to access services directly in field initializers, eliminating constructor boilerplate. It enables deterministic dependency injection and simplifies wiring dependencies across standalone components and functions.
An InjectionToken in Angular provides a unique key for dependency injection when there is no class type. Use it for configuration objects, feature flags, and cross-cutting concerns to ensure type-safe dependency consumption.
Configure provider scopes at the root, component, or route level to manage hierarchical injection. This approach controls service lifetimes, restricts availability to specific component subtrees, and improves testability.
Yes, leverage the EnvironmentInjector and runInInjectionContext to execute dynamic dependency injection. This advanced pattern allows creating and running code within custom injection contexts for testing and dynamic DI scenarios.
Yes, this approach applies to components, services, and routes. You can configure route-level providers to manage hierarchical injection scopes, ensuring dependencies are only instantiated when specific routes are activated.
The best way to manage DI lifecycles in large Angular apps is combining inject(), InjectionTokens, and hierarchical provider scopes. This ensures deterministic injection, scoped service lifetimes, and maintainable token-based configuration.
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