import {Pipe, PipeTransform} from '@angular/core'; import { TranslateService } from '@ngx-translate/core'; @Pipe({name: 'requiredField'}) export class RequiredFieldErrorPipe implements PipeTransform { constructor(private translator: TranslateService) { } transform(value: string): any { return this.translator.instant('fss.general.errors.requiredField', { name: value}); } }