Created
June 29, 2020 14:45
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fetch svg
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import { Injectable, ErrorHandler } from '@angular/core'; | |
import { HttpClient, HttpHeaders, HttpErrorResponse } from '@angular/common/http'; | |
import { Observable, throwError } from 'rxjs'; | |
import { catchError} from 'rxjs/operators'; | |
@Injectable({ | |
providedIn: 'root' | |
}) | |
export class SvgsApiService implements ErrorHandler { | |
private httpOptions = { | |
headers: new HttpHeaders({ | |
'Content-Type': 'text/html; charset=UTF-8' | |
}) | |
} | |
constructor( | |
private httpClient: HttpClient | |
) { } | |
getSvg(type: string):Observable<any> { | |
return this.httpClient.get(`/assets/images/svgs/${type}.svg`, {responseType: 'text'}) | |
.pipe( | |
catchError(this.handleError) | |
);; | |
} | |
handleError(error: HttpErrorResponse):Observable<any> { | |
if (error.error instanceof ErrorEvent) { | |
console.error('Oh, no! Client says:', error.error.message); | |
} else { | |
console.error( | |
`Yikes! Server says: ${error.status}, ` + | |
`error name: ${error.name}` + ` error message: ${error.message}`); | |
} | |
// return an observable with a user-facing error message | |
return throwError( | |
'Something bad happened; please try again later.'); | |
}; | |
} |
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