Upgrading to Angular 20:

Replaced checked in package-lock.json by regenerated one.
Ran ng update @angular/core@20 @angular/cli@20
Ran npm install @angular-builders/jest@^20.0.0 @fortawesome/angular-fontawesome@^3.0.0 @swimlane/ngx-graph@^11
Ran npm install ngx-mat-select-search@^8.0.2.
Ran ng update @angular/material@20.
Updated all eslint and typescript to the latest versions.
Removed @angular-devkit/schematics.
Updated fontawesome.
Updated rxjs and tslib.
Moved required node version from 16 to 20.
Updated jest-preset-angular.
Set preserveWhitespaces to false.
Corrected two type declarations in two typescript files to make ng serve run without errors.
Removed unused angular-devkit/schematics from view-user.component.ts .
Updated list of supported browsers.
Upgraded prettier.
Ran prettier . --write the first time.
Ran prettier . --write the second time.
Ran ng generate @angular/core:inject with defaults, excepted a handful of files.
Fixed remaining eslint problems.
Added dist directory to ignores in eslint.config.js.
Let prettier fix formatting, almost everything is just line breaks.
Made htmlhint ignore @if and @for Angular constructs.
Updated node version in Github workflow to 22.12.0 (build.yml).
Updated .env.ts.
Updated Angular datetime format strings from YYYY-MM-DD to yyyy-MM-dd.
Merged changes from dev into angular20 branch.

src/app/accounting/periodic-accruals/periodic-accruals.component.html

@@ -15,10 +15,12 @@
             />
             <mat-datepicker-toggle matSuffix [for]="tillDatePicker"></mat-datepicker-toggle>
             <mat-datepicker #tillDatePicker></mat-datepicker>
-            <mat-error *ngIf="periodicAccrualsForm.controls.tillDate.hasError('required')">
-              {{ 'labels.inputs.Accrue Date' | translate }} {{ 'labels.commons.is' | translate }}
-              <strong>{{ 'labels.commons.required' | translate }}</strong>
-            </mat-error>
+            @if (periodicAccrualsForm.controls.tillDate.hasError('required')) {
+              <mat-error>
+                {{ 'labels.inputs.Accrue Date' | translate }} {{ 'labels.commons.is' | translate }}
+                <strong>{{ 'labels.commons.required' | translate }}</strong>
+              </mat-error>
+            }
           </mat-form-field>
         </div>
       </mat-card-content>

src/app/accounting/periodic-accruals/periodic-accruals.component.ts

@@ -1,5 +1,5 @@
 /** Angular Imports */
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, inject } from '@angular/core';
 import { UntypedFormGroup, UntypedFormBuilder, Validators, ReactiveFormsModule } from '@angular/forms';
 import { Router, ActivatedRoute, RouterLink } from '@angular/router';
 
@@ -22,6 +22,13 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class PeriodicAccrualsComponent implements OnInit {
+  private formBuilder = inject(UntypedFormBuilder);
+  private accountingService = inject(AccountingService);
+  private settingsService = inject(SettingsService);
+  private dateUtils = inject(Dates);
+  private route = inject(ActivatedRoute);
+  private router = inject(Router);
+
   /** Minimum accrue date allowed. */
   minDate = new Date(2000, 0, 1);
   /** Maximum accrue date allowed. */
@@ -29,22 +36,6 @@ export class PeriodicAccrualsComponent implements OnInit {
   /** Periodic accruals form. */
   periodicAccrualsForm: UntypedFormGroup;
 
-  /**
-   * @param {FormBuilder} formBuilder Form Builder.
-   * @param {AccountingService} accountingService Accounting Service.
-   * @param {SettingsService} settingsService Settings Service.
-   * @param {ActivatedRoute} route Activated Route.
-   * @param {Router} router Router for navigation.
-   */
-  constructor(
-    private formBuilder: UntypedFormBuilder,
-    private accountingService: AccountingService,
-    private settingsService: SettingsService,
-    private dateUtils: Dates,
-    private route: ActivatedRoute,
-    private router: Router
-  ) {}
-
   /**
    * Creates periodic accruals form.
    */