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/shared/server-selector/server-selector.component.html

@@ -1,31 +1,36 @@
-<mat-form-field id="server-selector" *ngIf="existMoreThanOneServer">
-  <mat-label>{{ 'labels.inputs.Server' | translate }}</mat-label>
-  <mat-select
-    [formControl]="serverSelector"
-    (selectionChange)="setServer()"
-    panelClass="server-panel"
-    panelWidth="null"
-  >
-    <div class="sticky">
-      <form [formGroup]="form" (ngSubmit)="addNewServer()">
-        <div class="actions">
-          <mat-form-field class="ml align-start">
-            <span matPrefix><mat-icon>language</mat-icon></span>
-            <mat-label>{{ 'labels.placeholders.Add new server' | translate }}</mat-label>
-            <input matInput type="text" autocomplete="off" formControlName="url" />
-            <mat-error *ngIf="form.controls.url.hasError('required')">
-              {{ 'labels.inputs.Url' | translate }} <strong>{{ 'labels.commons.is required' | translate }}</strong>
-            </mat-error>
-          </mat-form-field>
-
-          <button type="submit" [disabled]="form.invalid" class="ml" mat-raised-button color="primary">
-            {{ 'labels.buttons.Add' | translate }}
-          </button>
-        </div>
-      </form>
-    </div>
-    <mat-option *ngFor="let server of servers" [value]="server">
-      {{ server }}
-    </mat-option>
-  </mat-select>
-</mat-form-field>
+@if (existMoreThanOneServer) {
+  <mat-form-field id="server-selector">
+    <mat-label>{{ 'labels.inputs.Server' | translate }}</mat-label>
+    <mat-select
+      [formControl]="serverSelector"
+      (selectionChange)="setServer()"
+      panelClass="server-panel"
+      panelWidth="null"
+    >
+      <div class="sticky">
+        <form [formGroup]="form" (ngSubmit)="addNewServer()">
+          <div class="actions">
+            <mat-form-field class="ml align-start">
+              <span matPrefix><mat-icon>language</mat-icon></span>
+              <mat-label>{{ 'labels.placeholders.Add new server' | translate }}</mat-label>
+              <input matInput type="text" autocomplete="off" formControlName="url" />
+              @if (form.controls.url.hasError('required')) {
+                <mat-error>
+                  {{ 'labels.inputs.Url' | translate }} <strong>{{ 'labels.commons.is required' | translate }}</strong>
+                </mat-error>
+              }
+            </mat-form-field>
+            <button type="submit" [disabled]="form.invalid" class="ml" mat-raised-button color="primary">
+              {{ 'labels.buttons.Add' | translate }}
+            </button>
+          </div>
+        </form>
+      </div>
+      @for (server of servers; track server) {
+        <mat-option [value]="server">
+          {{ server }}
+        </mat-option>
+      }
+    </mat-select>
+  </mat-form-field>
+}

src/app/shared/server-selector/server-selector.component.ts

@@ -1,5 +1,5 @@
 /** Angular Imports */
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, inject } from '@angular/core';
 import { UntypedFormControl, ReactiveFormsModule } from '@angular/forms';
 import { MatDialog } from '@angular/material/dialog';
 import { UntypedFormBuilder, Validators } from '@angular/forms';
@@ -23,6 +23,10 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class ServerSelectorComponent implements OnInit {
+  private settingsService = inject(SettingsService);
+  dialog = inject(MatDialog);
+  private formBuilder = inject(UntypedFormBuilder);
+
   /** Input server. */
   form: any;
 
@@ -35,15 +39,6 @@ export class ServerSelectorComponent implements OnInit {
   /** Server list to show */
   existMoreThanOneServer = false;
 
-  /**
-   * @param {SettingsService} settingsService Settings Service
-   */
-  constructor(
-    private settingsService: SettingsService,
-    public dialog: MatDialog,
-    private formBuilder: UntypedFormBuilder
-  ) {}
-
   ngOnInit(): void {
     this.servers = this.settingsService.servers;
     this.existMoreThanOneServer = this.servers && this.servers.length > 1;