diff --git a/packages/angular/src/ng-add-setup-project/files/src/app/facet/facet.component.ts b/packages/angular/src/ng-add-setup-project/files/src/app/facet/facet.component.ts
index bbb5abb51a..6eda3e61c3 100644
--- a/packages/angular/src/ng-add-setup-project/files/src/app/facet/facet.component.ts
+++ b/packages/angular/src/ng-add-setup-project/files/src/app/facet/facet.component.ts
@@ -9,10 +9,12 @@ import {EngineService} from '../engine.service';
   styleUrls: ['./facet.component.scss'],
 })
 export class FacetComponent implements OnInit {
-  @Input() field: string;
-  @Input() title: string;
+  @Input()
+  field!: string;
+  @Input()
+  title!: string;
 
-  private headlessFacet: Facet;
+  private headlessFacet!: Facet;
 
   constructor(private engineService: EngineService) {}
 
diff --git a/packages/angular/src/ng-add-setup-project/files/src/app/pager/pager.component.ts b/packages/angular/src/ng-add-setup-project/files/src/app/pager/pager.component.ts
index a47aa0f1ac..69ce818904 100644
--- a/packages/angular/src/ng-add-setup-project/files/src/app/pager/pager.component.ts
+++ b/packages/angular/src/ng-add-setup-project/files/src/app/pager/pager.component.ts
@@ -16,8 +16,8 @@ import {EngineService} from '../engine.service';
   styleUrls: ['./pager.component.scss'],
 })
 export class PagerComponent implements OnInit {
-  private headlessPager: Pager;
-  private headlessResultPerPage: ResultsPerPage;
+  private headlessPager!: Pager;
+  private headlessResultPerPage!: ResultsPerPage;
 
   constructor(private engineService: EngineService) {}
 
diff --git a/packages/angular/src/ng-add-setup-project/files/src/app/query-summary/query-summary.component.ts b/packages/angular/src/ng-add-setup-project/files/src/app/query-summary/query-summary.component.ts
index 8ff35d42d9..dbe277048b 100644
--- a/packages/angular/src/ng-add-setup-project/files/src/app/query-summary/query-summary.component.ts
+++ b/packages/angular/src/ng-add-setup-project/files/src/app/query-summary/query-summary.component.ts
@@ -12,7 +12,7 @@ import {EngineService} from '../engine.service';
   styleUrls: ['./query-summary.component.scss'],
 })
 export class QuerySummaryComponent implements OnInit {
-  private headlessQuerySummary: QuerySummary;
+  private headlessQuerySummary!: QuerySummary;
 
   constructor(private engineService: EngineService) {}
 
diff --git a/packages/angular/src/ng-add-setup-project/files/src/app/result-list/result-list.component.ts b/packages/angular/src/ng-add-setup-project/files/src/app/result-list/result-list.component.ts
index 6ddbde1bba..5c6663da05 100644
--- a/packages/angular/src/ng-add-setup-project/files/src/app/result-list/result-list.component.ts
+++ b/packages/angular/src/ng-add-setup-project/files/src/app/result-list/result-list.component.ts
@@ -8,7 +8,7 @@ import {EngineService} from '../engine.service';
   styleUrls: ['./result-list.component.scss'],
 })
 export class ResultListComponent implements OnInit {
-  private headlessResultList: ResultList;
+  private headlessResultList!: ResultList;
 
   constructor(private engineService: EngineService) {}
 
diff --git a/packages/angular/src/ng-add-setup-project/files/src/app/search-box/search-box.component.ts b/packages/angular/src/ng-add-setup-project/files/src/app/search-box/search-box.component.ts
index 0d2f012b6f..17d1307e7a 100644
--- a/packages/angular/src/ng-add-setup-project/files/src/app/search-box/search-box.component.ts
+++ b/packages/angular/src/ng-add-setup-project/files/src/app/search-box/search-box.component.ts
@@ -9,12 +9,12 @@ import {EngineService} from '../engine.service';
   styleUrls: ['./search-box.component.scss'],
 })
 export class SearchBoxComponent implements OnInit {
-  headlessSearchBox: SearchBox;
+  headlessSearchBox!: SearchBox;
   myControl = new FormControl();
   suggestions: {
     highlightedValue: string;
     rawValue: string;
-  }[];
+  }[] = [];
 
   constructor(private engineService: EngineService) {}
 
diff --git a/packages/angular/src/ng-add-setup-project/files/src/app/sort/sort.component.ts b/packages/angular/src/ng-add-setup-project/files/src/app/sort/sort.component.ts
index ee45eee5d6..1ec10ad290 100644
--- a/packages/angular/src/ng-add-setup-project/files/src/app/sort/sort.component.ts
+++ b/packages/angular/src/ng-add-setup-project/files/src/app/sort/sort.component.ts
@@ -15,8 +15,8 @@ import {EngineService} from '../engine.service';
   styleUrls: ['./sort.component.scss'],
 })
 export class SortComponent implements OnInit {
-  private headlessSort: Sort;
-  sortCriterias: {caption: string; criterion: any}[];
+  private headlessSort!: Sort;
+  sortCriterias!: {caption: string; criterion: any}[];
 
   constructor(private engineService: EngineService) {}