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Angular Dependency Injection - Understanding Hierarchical Injectors

Devoxx via YouTube

Overview

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This course aims to teach learners about Angular Dependency Injection, emphasizing the importance of understanding it to develop scalable, testable, and flexible components and applications. By the end of the course, students will be able to grasp the concept of dependency injection in Angular, understand the injector hierarchies, implement hierarchical injectors in code, and define a highly scalable folder structure for Angular projects. The course covers topics such as the basics of dependencies, injector hierarchies, lazy loading modules, providing services in modules, using unique injection tokens, and more. The teaching method includes explanations, live coding sessions, and practical examples. This course is intended for individuals interested in mastering Angular development and enhancing their skills in building robust applications.

Syllabus

ANGULAR DEPENDENCY INJECTION
What is a dependency?
The Problem
Solution
Dependency Injection in Angular
Two injector hierarchies
Lazy loaded Module in the Routing!
Eagerly loaded Modules
Lazy loaded Modules
Example of hierarchical dependency injection
Provide Services in the Modules
Using Providedin in LazyService
Add LazyService to the Provider's Array of LazyModule
Services in a Component
Dependency Providers
Unique Injection Token
Wrapping up

Taught by

Devoxx

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