provide APP_ID instead of BrowserModule.withServerTransition, remove BrowserModule import

src/app/app.module.ts

@@ -1,7 +1,6 @@
 import { APP_BASE_HREF, CommonModule, DOCUMENT } from '@angular/common';
 import { HTTP_INTERCEPTORS, HttpClientModule } from '@angular/common/http';
-import { NgModule } from '@angular/core';
+import { APP_ID, NgModule } from '@angular/core';
-import { BrowserModule } from '@angular/platform-browser';
 
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { EffectsModule } from '@ngrx/effects';
@@ -124,13 +123,13 @@ const PROVIDERS = [
     AppComponent,
   ],
   imports: [
-    BrowserModule.withServerTransition({appId: 'dspace-angular'}),
     ...IMPORTS,
     NgxMaskModule.forRoot(),
     ThemedRootComponent
   ],
   providers: [
     ...PROVIDERS,
+    {provide: APP_ID, useValue: 'dspace-angular'},
     provideCore(),
   ],
   bootstrap: [AppComponent]

src/modules/app/browser-app.module.ts

@@ -1,6 +1,6 @@
 import { HttpClient, HttpClientModule } from '@angular/common/http';
-import { NgModule } from '@angular/core';
+import { APP_ID, NgModule } from '@angular/core';
-import { BrowserModule, BrowserTransferStateModule, makeStateKey, TransferState } from '@angular/platform-browser';
+import { makeStateKey, TransferState } from '@angular/platform-browser';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { REQUEST } from '@nguniversal/express-engine/tokens';
 
@@ -53,9 +53,6 @@ export function getRequest(transferState: TransferState): any {
 @NgModule({
   bootstrap: [AppComponent],
   imports: [
-    BrowserModule.withServerTransition({
-      appId: 'dspace-angular'
-    }),
     HttpClientModule,
     // forRoot ensures the providers are only created once
     IdlePreloadModule.forRoot(),
@@ -64,7 +61,6 @@ export function getRequest(transferState: TransferState): any {
     BrowserAnimationsModule,
     StoreModule.forFeature('core', coreReducers, storeModuleConfig as StoreConfig<CoreState, Action>),
     EffectsModule.forFeature(coreEffects),
-    BrowserTransferStateModule,
     TranslateModule.forRoot({
       loader: {
         provide: TranslateLoader,
@@ -76,6 +72,7 @@ export function getRequest(transferState: TransferState): any {
   ],
   providers: [
     ...BrowserInitService.providers(),
+    {provide: APP_ID, useValue: 'dspace-angular'},
     {
       provide: REQUEST,
       useFactory: getRequest,

src/modules/app/server-app.module.ts

@@ -1,16 +1,12 @@
 import { HTTP_INTERCEPTORS } from '@angular/common/http';
-import { NgModule } from '@angular/core';
+import { APP_ID, NgModule } from '@angular/core';
-import { BrowserModule, TransferState } from '@angular/platform-browser';
+import { TransferState } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { ServerModule, ServerTransferStateModule } from '@angular/platform-server';
 
 import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
 
-import {
+import { Angulartics2, Angulartics2GoogleAnalytics, Angulartics2GoogleGlobalSiteTag } from 'angulartics2';
-  Angulartics2,
-  Angulartics2GoogleAnalytics,
-  Angulartics2GoogleGlobalSiteTag
-} from 'angulartics2';
 
 import { AppComponent } from '../../app/app.component';
 
@@ -51,9 +47,6 @@ export function createTranslateLoader(transferState: TransferState) {
 @NgModule({
   bootstrap: [AppComponent],
   imports: [
-    BrowserModule.withServerTransition({
-      appId: 'dspace-angular'
-    }),
     NoopAnimationsModule,
     ServerTransferStateModule,
     StoreModule.forFeature('core', coreReducers, storeModuleConfig as StoreConfig<CoreState, Action>),
@@ -70,6 +63,7 @@ export function createTranslateLoader(transferState: TransferState) {
   ],
   providers: [
     ...ServerInitService.providers(),
+    {provide: APP_ID, useValue: 'dspace-angular'},
     {
       provide: Angulartics2,
       useClass: Angulartics2Mock