Example how you can implement generics to your Angular application. Generics allow creating 'type variables' which can be used to create classes, functions & type aliases that don't need to explicitly define the types that they use. Generics makes it easier to write reusable code.
Some benefits:
- Type safety
- Less code and code is more easily reused
In this project you will see examples:
- generic data(CRUD) service
- generic BaseFormComponent and BaseIndexComponent
On a path "src/app/utility/data-models/responses/" they are data models that refer to a standardized response from the backend service.
On a path "src/app/utility/services/data.service.ts" is generic service that implement generic interface IDataService.
On a path "src/app/features/currency/services/currency.service.ts" is generic service that implements generic ICurrencyService interface. Interface ICurrencyService extends interface IDataService. Implementation of IDataService is completed at DataService and this service CurrencyService extends this service. On this way we are sure tha a currency service implements all methods from generic interface IDataService without adding extra code.
Extending BaseFormComponent and BaseIndexComponent easily with little code, you can add new pages. CurrencyFormComponent and CurrencyIndexComponent are simple implementations just for demonstration and getting ideas.
This project was generated with Angular CLI version 15.2.4.
Run ng serve for a dev server. Navigate to http://localhost:4200/. The application will automatically reload if you change any of the source files.
Run ng generate component component-name to generate a new component. You can also use ng generate directive|pipe|service|class|guard|interface|enum|module.
Run ng build to build the project. The build artifacts will be stored in the dist/ directory.
Run ng test to execute the unit tests via Karma.
Run ng e2e to execute the end-to-end tests via a platform of your choice. To use this command, you need to first add a package that implements end-to-end testing capabilities.
To get more help on the Angular CLI use ng help or go check out the Angular CLI Overview and Command Reference page.