AngularJS logging with date information

error-log.service.ts

@Injectable()
export class ErrorLogService {
  private name: String = 'ErrorLogService';
  constructor() {
  }
  logError(error: any) {
    const date = new Date().toISOString();
    if (error instanceof HttpErrorResponse) {
      console.error(date, 'There was an HTTP error.', error.message, 'Status code:', (<HttpErrorResponse>error).status);
    } else if (error instanceof TypeError) {
      console.error(date, 'There was a Type error.', error.message);
    } else if (error instanceof Error) {
      console.error(date, 'There was a general error.', error.message);
    } else {
      console.error(date, 'Nobody threw an Error but something happened!', error);
    }
  }
}