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/savings/saving-account-actions/manage-savings-account/manage-savings-account.component.html

@@ -1,52 +1,63 @@
 <div class="container mat-elevation-z8">
   <mat-card>
-    <mat-card-title *ngIf="transactionType.holdamount">{{ 'labels.heading.Hold Amount' | translate }}</mat-card-title>
-    <mat-card-title *ngIf="transactionType.blockaccount">{{
-      'labels.heading.Block Savings Account' | translate
-    }}</mat-card-title>
+    @if (transactionType.holdamount) {
+      <mat-card-title>{{ 'labels.heading.Hold Amount' | translate }}</mat-card-title>
+    }
+    @if (transactionType.blockaccount) {
+      <mat-card-title>{{ 'labels.heading.Block Savings Account' | translate }}</mat-card-title>
+    }
 
     <form [formGroup]="manageSavingsAccountForm" (ngSubmit)="submit()">
       <mat-card-content class="layout-row">
         <mat-form-field class="flex-100">
           <mat-label>{{ 'labels.inputs.Reason' | translate }}</mat-label>
           <mat-select required formControlName="reasonForBlock">
-            <mat-option *ngFor="let codeValue of reasonOptions" [value]="codeValue.id">
-              {{ codeValue.name }}
-            </mat-option>
+            @for (codeValue of reasonOptions; track codeValue) {
+              <mat-option [value]="codeValue.id">
+                {{ codeValue.name }}
+              </mat-option>
+            }
           </mat-select>
-          <mat-error *ngIf="manageSavingsAccountForm.controls.reasonForBlock.hasError('required')">
-            {{ 'labels.inputs.Reason' | translate }} {{ 'labels.commons.is' | translate }}
-            <strong>{{ 'labels.commons.required' | translate }}</strong>
-          </mat-error>
+          @if (manageSavingsAccountForm.controls.reasonForBlock.hasError('required')) {
+            <mat-error>
+              {{ 'labels.inputs.Reason' | translate }} {{ 'labels.commons.is' | translate }}
+              <strong>{{ 'labels.commons.required' | translate }}</strong>
+            </mat-error>
+          }
         </mat-form-field>
 
-        <mat-form-field class="flex-100" (click)="transactionDatePicker.open()" *ngIf="transactionType.holdamount">
-          <mat-label>{{ 'labels.inputs.Transaction Date' | translate }}</mat-label>
-          <input
-            matInput
-            [min]="minDate"
-            [max]="maxDate"
-            [matDatepicker]="transactionDatePicker"
-            required
-            formControlName="transactionDate"
-          />
-          <mat-datepicker-toggle matSuffix [for]="transactionDatePicker"></mat-datepicker-toggle>
-          <mat-datepicker #transactionDatePicker></mat-datepicker>
-          <mat-error *ngIf="manageSavingsAccountForm.controls.transactionDate.hasError('required')">
-            {{ 'labels.inputs.Transaction Date' | translate }} {{ 'labels.commons.is' | translate }}
-            <strong>{{ 'labels.commons.required' | translate }}</strong>
-          </mat-error>
-        </mat-form-field>
+        @if (transactionType.holdamount) {
+          <mat-form-field class="flex-100" (click)="transactionDatePicker.open()">
+            <mat-label>{{ 'labels.inputs.Transaction Date' | translate }}</mat-label>
+            <input
+              matInput
+              [min]="minDate"
+              [max]="maxDate"
+              [matDatepicker]="transactionDatePicker"
+              required
+              formControlName="transactionDate"
+            />
+            <mat-datepicker-toggle matSuffix [for]="transactionDatePicker"></mat-datepicker-toggle>
+            <mat-datepicker #transactionDatePicker></mat-datepicker>
+            @if (manageSavingsAccountForm.controls.transactionDate.hasError('required')) {
+              <mat-error>
+                {{ 'labels.inputs.Transaction Date' | translate }} {{ 'labels.commons.is' | translate }}
+                <strong>{{ 'labels.commons.required' | translate }}</strong>
+              </mat-error>
+            }
+          </mat-form-field>
+        }
 
-        <mifosx-input-amount
-          class="flex-100"
-          [currency]="currency"
-          [isRequired]="true"
-          *ngIf="transactionType.holdamount"
-          [inputFormControl]="manageSavingsAccountForm.controls.transactionAmount"
-          [inputLabel]="'Transaction Amount'"
-        >
-        </mifosx-input-amount>
+        @if (transactionType.holdamount) {
+          <mifosx-input-amount
+            class="flex-100"
+            [currency]="currency"
+            [isRequired]="true"
+            [inputFormControl]="manageSavingsAccountForm.controls.transactionAmount"
+            [inputLabel]="'Transaction Amount'"
+          >
+          </mifosx-input-amount>
+        }
       </mat-card-content>
 
       <mat-card-actions class="layout-row align-center gap-5px responsive-column">

src/app/savings/saving-account-actions/manage-savings-account/manage-savings-account.component.ts

@@ -1,4 +1,4 @@
-import { Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit, inject } from '@angular/core';
 import { UntypedFormBuilder, UntypedFormGroup, Validators, ReactiveFormsModule } from '@angular/forms';
 import { ActivatedRoute, Router, RouterLink } from '@angular/router';
 import { Dates } from 'app/core/utils/dates';
@@ -30,6 +30,14 @@ interface TransactionType {
   ]
 })
 export class ManageSavingsAccountComponent implements OnInit {
+  private formBuilder = inject(UntypedFormBuilder);
+  private savingsService = inject(SavingsService);
+  private dateUtils = inject(Dates);
+  private route = inject(ActivatedRoute);
+  private router = inject(Router);
+  private systemService = inject(SystemService);
+  private settingsService = inject(SettingsService);
+
   @Input() currency: Currency;
   /** Minimum date allowed. */
   minDate = new Date(2000, 0, 1);
@@ -58,15 +66,7 @@ export class ManageSavingsAccountComponent implements OnInit {
    * @param {Router} router Router
    * @param {SettingsService} settingsService Setting service
    */
-  constructor(
-    private formBuilder: UntypedFormBuilder,
-    private savingsService: SavingsService,
-    private dateUtils: Dates,
-    private route: ActivatedRoute,
-    private router: Router,
-    private systemService: SystemService,
-    private settingsService: SettingsService
-  ) {
+  constructor() {
     this.transactionCommand = this.route.snapshot.params['name'].toLowerCase().replaceAll(' ', '');
     this.transactionType[this.transactionCommand] = true;
     this.savingAccountId = this.route.snapshot.params['savingAccountId'];