ng-validation-border#configure.ts

@NgModule({
  imports: [CommonModule, FormsModule],
  declarations: [ValidationBorderDirective],
  exports: [ValidationBorderDirective]
})
export class ValidationBorderModule {
  static forRoot(config: ValidationBorderConfig): ModuleWithProviders {
    return {
      ngModule: ValidationBorderModule,
      providers: [{ provide: VALIDATION_BORDER_CONFIG, useValue: config }]
    };
  }
}