diff --git a/ui-ngx/src/app/modules/home/components/profile/device/lwm2m/lwm2m-object-list.component.ts b/ui-ngx/src/app/modules/home/components/profile/device/lwm2m/lwm2m-object-list.component.ts index 5f3d06a02b..950ac38cdb 100644 --- a/ui-ngx/src/app/modules/home/components/profile/device/lwm2m/lwm2m-object-list.component.ts +++ b/ui-ngx/src/app/modules/home/components/profile/device/lwm2m/lwm2m-object-list.component.ts @@ -31,7 +31,7 @@ import { distinctUntilChanged, filter, mergeMap, share, tap } from 'rxjs/operato import { ObjectLwM2M, PAGE_SIZE_LIMIT } from './lwm2m-profile-config.models'; import { DeviceProfileService } from '@core/http/device-profile.service'; import { Direction } from '@shared/models/page/sort-order'; -import { isDefined, isDefinedAndNotNull, isString } from '@core/utils'; +import { isDefined, isDefinedAndNotNull, isObject, isString } from '@core/utils'; import { PageLink } from '@shared/models/page/page-link'; import { TruncatePipe } from '@shared/pipe/truncate.pipe'; @@ -90,12 +90,14 @@ export class Lwm2mObjectListComponent implements ControlValueAccessor, OnInit, V objectsList: [this.objectsList], objectLwm2m: [''] }); - this.lwm2mListFormGroup.valueChanges.subscribe((value) => { - let formValue = null; - if (this.lwm2mListFormGroup.valid) { - formValue = value.objectsList; + this.lwm2mListFormGroup.get('objectsList').valueChanges.subscribe((value) => { + if (!value.length || (value.length && isObject(value[0]))) { + let formValue = null; + if (this.lwm2mListFormGroup.valid) { + formValue = value; + } + this.propagateChange(formValue); } - this.propagateChange(formValue); }); }