Add configuration to toggle replace/transfer

Author: ybnd

server.ts

@@ -272,6 +272,13 @@ function serverSideRender(req, res, sendToUser: boolean = true) {
     requestUrl: req.originalUrl,
   }, (err, data) => {
     if (hasNoValue(err) && hasValue(data)) {
+      // Replace REST URL with UI URL
+      if (environment.ui.replaceRestUrl && REST_BASE_URL !== environment.rest.baseUrl) {
+        const t0 = Date.now();
+        data = data.replace(new RegExp(REST_BASE_URL, 'g'), environment.rest.baseUrl);
+        console.log(`Replaced all SSR URLs in HTML in ${Date.now() - t0}ms`); // todo: remove this
+      }
+
       // save server side rendered page to cache (if any are enabled)
       saveToCache(req, data);
       if (sendToUser) {

src/config/default-app-config.ts

@@ -48,6 +48,9 @@ export class DefaultAppConfig implements AppConfig {
 
     // Trust X-FORWARDED-* headers from proxies
     useProxies: true,
+
+    transferState: true,
+    replaceRestUrl: false,
   };
 
   // The REST API server settings

src/config/ui-server-config.interface.ts

@@ -13,4 +13,7 @@ export class UIServerConfig extends ServerConfig {
 
   // Trust X-FORWARDED-* headers from proxies
   useProxies: boolean;
+
+  transferState: boolean;
+  replaceRestUrl: boolean;
 }

src/modules/app/browser-init.service.ts

@@ -90,7 +90,9 @@ export class BrowserInitService extends InitService {
 
   protected init(): () => Promise<boolean> {
     return async () => {
-      await this.loadAppState();
+      if (this.appConfig.ui.transferState) {
+        await this.loadAppState();
+      }
       this.checkAuthenticationToken();
       this.externalAuthCheck();
       this.initCorrelationId();
@@ -122,7 +124,7 @@ export class BrowserInitService extends InitService {
    */
   private async loadAppState(): Promise<boolean> {
     // The app state can be transferred only when SSR and CSR are using the same base url for the REST API
-    if (!this.appConfig.rest.hasSsrBaseUrl) {
+    if (this.appConfig.ui.transferState && (!this.appConfig.rest.hasSsrBaseUrl || this.appConfig.ui.replaceRestUrl)) {
       const state = this.transferState.get<any>(InitService.NGRX_STATE, null);
       this.transferState.remove(InitService.NGRX_STATE);
       this.store.dispatch(new StoreAction(StoreActionTypes.REHYDRATE, state));

src/modules/app/server-init.service.ts

@@ -59,7 +59,9 @@ export class ServerInitService extends InitService {
     return async () => {
       this.checkAuthenticationToken();
       this.saveAppConfigForCSR();
-      this.saveAppState();
+      if (this.appConfig.ui.transferState) {
+        this.saveAppState();
+      }
       this.initCorrelationId();
 
       this.checkEnvironment();