PrimeNG控件未显示无效

Question

我们在应用程序中使用PrimeNG autoComplete组件。我们将用“红色”显示所有有效无效。 默认情况下，除非我们进行任何使控件无效的验证，否则Angular将所有输入字段标记为ng-valid样式类。这在Angular中似乎是标准的。 PrimeNg Control的行为不一样。

现在，如果我从位置自动完成下拉菜单中选择一个值，然后将该号码与电话中的电话类型相同，然后删除，则不再触发验证

HTML

<div class="form-group col-xs-3 col-md-3"
                                           [ngClass]="{
                                         'has-error':(ersaForm.get('phone').touched || ersaForm.get('phone').dirty ) &&
                                         !ersaForm.get('phone').valid
                                         }">

                                        <label for="phoneId" class="control-label">Phone</label><br />
                                        <p-inputMask mask="(999) 999-9999" formControlName="phone" (onBlur)="checkValidity();" unmask="true"  styleClass="form-control" [style]="{'width': '100%','height':'34px'}"  id="phoneId"  placeholder="Phone (required)"></p-inputMask>

                                    </div>
  <div class="form-group col-xs-3 col-md-3"
                                     [ngClass]="{
                                     'has-error':(ersaForm.get('location').touched || ersaForm.get('location').dirty ) &&
                                     !ersaForm.get('location').valid
                                     }">
                                    <label for="locationId" class="control-label">Location</label>
                                    <p-autoComplete formControlName="location" id="locationId" (onBlur)="checkValidity()" [suggestions]="iOffice" forceSelection="true" placeholder="Office (required)" inputStyleClass="form-control" (completeMethod)="searchOffice($event)" [style]="{'width': '100%','display': 'inline-flex','height':'34px'}" field="ORG_BRH_ADDR_LN" dataKey="ORG_BRH_NO" [dropdown]="true"></p-autoComplete>

                                </div>

TS代码

this.ersaForm = this._fb.group({
            phone: new FormControl('', Validators.required),
            location: ['', Validators.required],

            });

        checkValidity(): void {
                Object.keys(this.ersaForm.controls).forEach((key) => {
                    console.log('inside validation');
                    this.ersaForm.controls[key].markAsDirty;
                //    this.ersaForm.controls[key].
                });
            }