Type of providers | Ep 3 | Angular Dependency Injection

🔧 Understanding Angular Providers: useClass, useExisting, useFactory, useValue
Welcome back to the channel! In this video, we dive deeper into Angular Dependency Injection (DI) and explore the different types of providers Angular offers: useClass, useExisting, useFactory, and useValue.

📌 You'll learn:

How each provider type works and when to use them

The difference between TypeProvider, ClassProvider, ConstructorProvider

How to avoid multiple instances with useExisting

Why useFactory is a powerful tool for advanced scenarios

How to mock services with useValue for testing

Tips for working with tokens, dependencies, and DI configuration arrays

🧠 Whether you’re working with standalone components or a module-based app, this lesson will give you a strong foundation in customizing Angular’s DI system for real-world scenarios.

📂 Bonus: You'll also learn how to group and reuse provider arrays across your app for better maintainability.

👨‍💻 My name is Maksym Grom, and this channel is all about web development and Angular.

If you enjoy the content, don’t forget to like, subscribe, and click the 🔔 to stay updated.

📺 Watch the full playlist: Angular Dependency Injection Series

00:00 Intro
01:30 All Providers
02:43 TypeProvider
03:35 ClassProvider
04:51 ConstructorProvider
07:15 ExistingProvider
10:27 FactoryProvider
13:47 ValueProvider
17:58 any[] in Providers
19:23 Summary

Видео Type of providers | Ep 3 | Angular Dependency Injection канала Hrom Maksym