ngx-grs

Installation

npm install ngx-grs

or

pnpm add ngx-grs

or 

yarn add ngx-grs

or 

bun add ngx-grs

Usage

1. Create an Angular service and extend it with the NgxGenericRestService class:

   @Injectable({ providedIn: "root" })
   export class PlanetsService extends NgxGenericRestService {}

2. Call the constructor of the NgxGenericRestService class and provide the baseUrl and resourceName:

   @Injectable({ providedIn: "root" })
   export class PlanetsService extends NgxGenericRestService {
      constructor() {
        super({
          baseUrl: "https://dragonball-api.com/api"
          resourceName: "planets",
        });       
      }
   }

3. Use the service somewhere in your code:

   type ApiResponse<T> =
   | {
       items: T[];
       links: {
         first: string;
         last: string;
         next: string;
         previous: string;
       };
       meta: {
         currentPage: number;
         itemCount: number;
         itemsPerPage: number;
         totalItems: number;
         totalPages: number;
       };
     }
   | undefined;
   
   type Planet = {
     id: number;
     name: string;
     isDestroyed: boolean;
     description: string;
     image: string;
     deletedAt: Date | null;
   };
   
   type PlanetCreate = Pick<Planet, 'name' | 'isDestroyed' | 'description' | 'image'>;
   
   type PlanetUpdate = Partial<PlanetCreate>;
   
   @Component({
     selector: 'app-root',
     standalone: true,
     templateUrl: './app.component.html',
   })
   export class SomeComponent implements OnInit {
     #planetsService = inject(PlanetsService);
   
     planets = signal<ApiResponse<Planet>>(undefined);
   
     ngOnInit(): void {
       this.#planetsService.list<ApiResponse<Planet>>().subscribe(this.planets.set);
     }
   
     create(planet: PlanetCreate): void {
       this.#planetsService.add<PlanetCreate, Planet>().subscribe();
     }
   
     update(id: number, planet: PlanetUpdate): void {      
       this.#planetsService.update<PlanetUpdate, Planet>(id, planet).subscribe();
     }
   
     delete(id: number): void {
       this.#planetsService.delete<Planet>(id).subscribe();
     }
   }

Default HttpClient request options

Option	Description	Used by
headers	Headers to be attached to a Request	List, Single, Add, Update, Delete
params	Query parameters to be included in a Request.	List, Single, Add, Update, Delete
observe	Determines the return type, according to what you are interested in observing.	List, Single, Add, Update, Delete
reportProgress	Whether this request should be made in a way that exposes progress events.	List, Single, Add, Update, Delete
responseType	The expected response type of the server.	List, Single, Add, Update, Delete
withCredentials	Whether this request should be sent with outgoing credentials (cookies).	List, Single, Add, Update, Delete

Custom HTTP options

Option	Description	Used by
urlRewrite	Rewrites the entire request API URL	List, Single, Add, Update, Delete
urlPostfix	Adds a postfix to the API URL (useful to specify sub-resources)	List, Single, Add, Update, Delete
method	Helps the service to understand if it is a PUT or a PATCH request (PUT by default)	Update
mapFn	Transforms the API response to the desired output	List, Single, Add, Update, Delete