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/organization/tellers/cashiers/edit-cashier/edit-cashier.component.html

@@ -13,23 +13,31 @@
             <input matInput required autofocus [value]="cashierData.data.tellerName" disabled />
           </mat-form-field>
 
-          <mat-form-field class="flex-48" *ngIf="isStaffId">
-            <mat-label>{{ 'labels.inputs.Cashier' | translate }}</mat-label>
-            <mat-select formControlName="staffId">
-              <mat-option *ngFor="let staff of cashierData.template.staffOptions" [value]="staff.id">
-                {{ staff.displayName }}
-              </mat-option>
-            </mat-select>
-          </mat-form-field>
+          @if (isStaffId) {
+            <mat-form-field class="flex-48">
+              <mat-label>{{ 'labels.inputs.Cashier' | translate }}</mat-label>
+              <mat-select formControlName="staffId">
+                @for (staff of cashierData.template.staffOptions; track staff) {
+                  <mat-option [value]="staff.id">
+                    {{ staff.displayName }}
+                  </mat-option>
+                }
+              </mat-select>
+            </mat-form-field>
+          }
 
-          <mat-form-field class="flex-48" *ngIf="!isStaffId">
-            <mat-label>{{ 'labels.inputs.Cashier' | translate }}</mat-label>
-            <mat-select formControlName="staffId" *ngIf="!isStaffId">
-              <mat-option [value]="cashierData.data.staffId">
-                {{ 'labels.inputs.Select Option' | translate }}
-              </mat-option>
-            </mat-select>
-          </mat-form-field>
+          @if (!isStaffId) {
+            <mat-form-field class="flex-48">
+              <mat-label>{{ 'labels.inputs.Cashier' | translate }}</mat-label>
+              @if (!isStaffId) {
+                <mat-select formControlName="staffId">
+                  <mat-option [value]="cashierData.data.staffId">
+                    {{ 'labels.inputs.Select Option' | translate }}
+                  </mat-option>
+                </mat-select>
+              }
+            </mat-form-field>
+          }
 
           <mat-form-field class="flex-48">
             <mat-label>{{ 'labels.inputs.Description/Notes' | translate }}</mat-label>
@@ -48,10 +56,12 @@
             />
             <mat-datepicker-toggle matSuffix [for]="fromDatePicker"></mat-datepicker-toggle>
             <mat-datepicker #fromDatePicker></mat-datepicker>
-            <mat-error *ngIf="editCashierForm.controls.startDate.hasError('required')">
-              {{ 'labels.inputs.From Date' | translate }} {{ 'labels.commons.is' | translate }}
-              <strong>{{ 'labels.commons.required' | translate }}</strong>
-            </mat-error>
+            @if (editCashierForm.controls.startDate.hasError('required')) {
+              <mat-error>
+                {{ 'labels.inputs.From Date' | translate }} {{ 'labels.commons.is' | translate }}
+                <strong>{{ 'labels.commons.required' | translate }}</strong>
+              </mat-error>
+            }
           </mat-form-field>
 
           <mat-form-field class="flex-48" (click)="toDatePicker.open()">
@@ -66,10 +76,12 @@
             />
             <mat-datepicker-toggle matSuffix [for]="toDatePicker"></mat-datepicker-toggle>
             <mat-datepicker #toDatePicker></mat-datepicker>
-            <mat-error *ngIf="editCashierForm.controls.endDate.hasError('required')">
-              {{ 'labels.inputs.To Date' | translate }} {{ 'labels.commons.is' | translate }}
-              <strong>{{ 'labels.commons.required' | translate }}</strong>
-            </mat-error>
+            @if (editCashierForm.controls.endDate.hasError('required')) {
+              <mat-error>
+                {{ 'labels.inputs.To Date' | translate }} {{ 'labels.commons.is' | translate }}
+                <strong>{{ 'labels.commons.required' | translate }}</strong>
+              </mat-error>
+            }
           </mat-form-field>
 
           <div class="space flex-48">

src/app/organization/tellers/cashiers/edit-cashier/edit-cashier.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 { ActivatedRoute, Router, RouterLink } from '@angular/router';
 import { Dates } from 'app/core/utils/dates';
@@ -23,6 +23,13 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class EditCashierComponent implements OnInit {
+  private formBuilder = inject(UntypedFormBuilder);
+  private route = inject(ActivatedRoute);
+  private router = inject(Router);
+  private dateUtils = inject(Dates);
+  private organizationService = inject(OrganizationService);
+  private settingsService = inject(SettingsService);
+
   /** Cashier Data. */
   cashierData: any = new Object();
   /** Edit cashier form. */
@@ -43,14 +50,7 @@ export class EditCashierComponent implements OnInit {
    * @param {OrganizationService} organizationService Organization Service.
    * @param {SettingsService} settingsService Settings Service.
    */
-  constructor(
-    private formBuilder: UntypedFormBuilder,
-    private route: ActivatedRoute,
-    private router: Router,
-    private dateUtils: Dates,
-    private organizationService: OrganizationService,
-    private settingsService: SettingsService
-  ) {
+  constructor() {
     this.route.data.subscribe((data: { cashier: any; cashierTemplate: any }) => {
       this.cashierData.data = data.cashier;
       this.cashierData.template = data.cashierTemplate;