angular-di

Design and apply Angular DI patterns with inject(), tokens, and providers.

1|Updated Oct 12, 2022

Search Tags:#angular #providers #dependency-injection #inject #injection-tokens #hierarchical-injection

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npx skills add https://github.com/plastikaweb/plastikspace --skill angular-di-plastikaweb

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Please help me install this Agent Skill.
Skill: angular-di
Source: https://github.com/plastikaweb/plastikspace/tree/main/.agents/skills/angular-di
Command: npx skills add https://github.com/plastikaweb/plastikspace --skill angular-di-plastikaweb

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Angular DI can become complex when managing injections across modules, providers, and tokens. This Skill clarifies how to structure DI with inject(), InjectionToken, and hierarchical providers to keep code maintainable and testable.

Core Features & Use Cases

Inject dependencies with inject() for cleaner constructors and controlled lifecycles.
Create and configure InjectionTokens to decouple implementation from contracts.
Manage provider scopes (root, module, component) and hierarchical injection to share singletons or isolate services.
Apply DI patterns to large Angular apps, lazy-loaded modules, and route-level configurations.

Quick Start

Define a token with InjectionToken, provide it at the root (or specific scope), and inject it in a service or component using inject() to obtain the value or service instance immediately.

Frequently Asked Questions about angular-di

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

FAQPage Schema

How do I use Angular inject() to replace constructor-based dependency injection?▼

Use Angular inject() to obtain dependencies directly within class properties instead of constructor parameters, yielding cleaner constructors and controlled lifecycle management for components and services.

What is the best way to configure Angular providers across different scopes?▼

Configure Angular providers by defining InjectionTokens and registering them at root, module, or component levels to manage hierarchical injection, sharing singletons or isolating services per scope.

When should I use InjectionToken to decouple implementation from contracts in Angular?▼

Use InjectionToken when you need to decouple implementation from contracts in Angular, allowing you to provide different implementations across root, lazy-loaded modules, or component-level scopes without tight coupling.

Does this Angular dependency injection approach work with lazy-loaded modules and route-level configurations?▼

Yes, this approach applies dependency injection patterns to large Angular apps, including lazy-loaded modules and route-level configurations, using hierarchical providers and token-based configuration for maintainable code.

Why does hierarchical injection matter when structuring Angular services?▼

Hierarchical injection matters because it determines whether Angular services are shared as singletons or isolated per component scope, directly impacting state management and testability across your application's provider tree.