Angular Service Injection with the Dependency Injector (DI) by Juri Strumpflohner

• Define an Angular Service
• Register a Service to Angular’s Dependency Injection Mechanism
• Define an Aliased Class Provider in Angular
• Simplify an Angular Service using a JavaScript Object as a Value Provider
• Instantiate a Service using an Angular Factory Provider
• Pass Dependencies to a Factory Provider in Angular
• Overwrite a Service in a Component Subtree in Angular
• Create Multiple Angular Service Instances
• Use an Abstract Class as DI Token for your Services in Angular
• Avoid Multiple Service Instances in Lazy Loaded Modules in Angular
• Control the dependency lookup with @Host, @SkipSelf and @Optional
• Introducing Angular Service Injection with the Dependency Injector
• Use "providedIn" service registration to avoid multiple instances with lazy loaded modules
• Use providedIn for the Angular Service registration to reduce bundle size