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/collaterals/collaterals.service.ts

@@ -1,5 +1,5 @@
 /** Angular Imports */
-import { Injectable } from '@angular/core';
+import { Injectable, inject } from '@angular/core';
 import { HttpClient, HttpParams } from '@angular/common/http';
 
 /** rxjs Imports */
@@ -11,10 +11,7 @@ import { Observable } from 'rxjs';
   providedIn: 'root'
 })
 export class CollateralsService {
-  /**
-   * @param {HttpClient} http Http Client to send requests.
-   */
-  constructor(private http: HttpClient) {}
+  private http = inject(HttpClient);
 
   getFilteredClients(
     orderBy: string,

src/app/collaterals/common-resolvers/client-collateral.resolver.ts

@@ -1,5 +1,5 @@
 /** Angular Imports */
-import { Injectable } from '@angular/core';
+import { Injectable, inject } from '@angular/core';
 import { ActivatedRouteSnapshot } from '@angular/router';
 
 /** rxjs Imports */
@@ -13,10 +13,7 @@ import { CollateralsService } from '../collaterals.service';
  */
 @Injectable()
 export class ClientCollateralResolver {
-  /**
-   * @param {CollateralsService} collateralsService Collaterals service.
-   */
-  constructor(private collateralsService: CollateralsService) {}
+  private collateralsService = inject(CollateralsService);
 
   /**
    * Returns the Client Collateral data.

src/app/collaterals/edit-collateral/edit-collateral.component.html

@@ -12,10 +12,12 @@
             <mat-form-field>
               <mat-label>{{ 'labels.inputs.Quantity' | translate }}</mat-label>
               <input matInput required formControlName="quantity" />
-              <mat-error *ngIf="clientCollateralForm.controls.quantity.hasError('required')">
-                {{ 'labels.inputs.Quantity' | translate }} {{ 'labels.commons.is' | translate }}
-                <strong>{{ 'labels.commons.required' | translate }}</strong>
-              </mat-error>
+              @if (clientCollateralForm.controls.quantity.hasError('required')) {
+                <mat-error>
+                  {{ 'labels.inputs.Quantity' | translate }} {{ 'labels.commons.is' | translate }}
+                  <strong>{{ 'labels.commons.required' | translate }}</strong>
+                </mat-error>
+              }
             </mat-form-field>
 
             <mat-form-field>

src/app/collaterals/edit-collateral/edit-collateral.component.ts

@@ -1,5 +1,5 @@
 /** Angular Imports */
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, inject } from '@angular/core';
 import { UntypedFormBuilder, UntypedFormGroup, Validators, ReactiveFormsModule } from '@angular/forms';
 import { ActivatedRoute, Router, RouterLink } from '@angular/router';
 
@@ -17,6 +17,12 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class EditCollateralComponent implements OnInit {
+  private formBuilder = inject(UntypedFormBuilder);
+  private route = inject(ActivatedRoute);
+  private router = inject(Router);
+  private settingsService = inject(SettingsService);
+  private collateralService = inject(CollateralsService);
+
   /** Client Collateral Form */
   clientCollateralForm: UntypedFormGroup;
   /** Client Collateral Options */
@@ -34,13 +40,7 @@ export class EditCollateralComponent implements OnInit {
    * @param {SettingsService} settingsService Settings Service
    * @param {CollateralsService} collateralService Collateral Service
    */
-  constructor(
-    private formBuilder: UntypedFormBuilder,
-    private route: ActivatedRoute,
-    private router: Router,
-    private settingsService: SettingsService,
-    private collateralService: CollateralsService
-  ) {
+  constructor() {
     this.route.data.subscribe((data: { clientCollateralData: any }) => {
       this.collateralDetails = data.clientCollateralData;
     });

src/app/collaterals/view-collateral/view-collateral.component.ts

@@ -1,4 +1,4 @@
-import { Component } from '@angular/core';
+import { Component, inject } from '@angular/core';
 import { ActivatedRoute, Router, RouterLink } from '@angular/router';
 import { CollateralsService } from '../collaterals.service';
 import { MatDialog } from '@angular/material/dialog';
@@ -44,6 +44,11 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class ViewCollateralComponent {
+  private route = inject(ActivatedRoute);
+  private collateralsService = inject(CollateralsService);
+  private router = inject(Router);
+  private dialog = inject(MatDialog);
+
   clientCollateralData: any;
 
   collateralColumns: string[] = [
@@ -53,12 +58,7 @@ export class ViewCollateralComponent {
     'Last Repayment Date'
   ];
 
-  constructor(
-    private route: ActivatedRoute,
-    private collateralsService: CollateralsService,
-    private router: Router,
-    private dialog: MatDialog
-  ) {
+  constructor() {
     this.route.data.subscribe((data: { clientCollateralData: any }) => {
       this.clientCollateralData = data.clientCollateralData;
     });