useExisting: forwardRef()

in src/app/rule/rule.component.ts [45:58]


      useExisting: forwardRef(() => RuleInputComponent),
      multi: true,
    }
  ]
})
export class RuleInputComponent implements OnInit {
  StyleFunctions = StyleFunctions;

  @Input() formGroup: FormGroup;
  @Input() prop: StyleProp;
  @Input() stats: ColumnStat;
  @Input() columns: Array<string> = [];

  protected _rule: StyleRule = {