Merge branch 'dev' into cached-account-change

change/@azure-msal-browser-bbb9a122-00a3-40d3-8a8e-43e3c207732e.json

@@ -0,0 +1,7 @@
+{
+  "type": "minor",
+  "comment": "Preconnect to authority to speed up /token calls #6550",
+  "packageName": "@azure/msal-browser",
+  "email": "[email protected]",
+  "dependentChangeType": "patch"
+}

lib/msal-angular/src/msal.guard.spec.ts

@@ -5,7 +5,6 @@ import { RouterTestingModule } from '@angular/router/testing';
 import { Location } from '@angular/common';
 import {
   BrowserSystemOptions,
-  BrowserUtils,
   InteractionType,
   IPublicClientApplication,
   LogLevel,
@@ -102,7 +101,7 @@ describe('MsalGuard', () => {
 
   it('returns false if page with MSAL Guard is set as redirectUri', (done) => {
     spyOn(UrlString, 'hashContainsKnownProperties').and.returnValue(true);
-    spyOn(BrowserUtils, 'isInIframe').and.returnValue(true);
+    spyOnProperty(window, 'parent', 'get').and.returnValue({ ...window });
 
     guard.canActivate(routeMock, routeStateMock).subscribe((result) => {
       expect(result).toBeFalse();

lib/msal-browser/src/controllers/StandardController.ts

@@ -46,7 +46,7 @@ import {
     DEFAULT_REQUEST,
     BrowserConstants,
 } from "../utils/BrowserConstants";
-import { BrowserUtils } from "../utils/BrowserUtils";
+import * as BrowserUtils from "../utils/BrowserUtils";
 import { RedirectRequest } from "../request/RedirectRequest";
 import { PopupRequest } from "../request/PopupRequest";
 import { SsoSilentRequest } from "../request/SsoSilentRequest";

lib/msal-browser/src/index.ts

@@ -8,10 +8,8 @@
  * @module @azure/msal-browser
  */
 
-/**
- * Warning: This set of exports is purely intended to be used by other MSAL libraries, and should be considered potentially unstable. We strongly discourage using them directly, you do so at your own risk.
- * Breaking changes to these APIs will be shipped under a minor version, instead of a major version.
- */
+import * as BrowserUtils from "./utils/BrowserUtils";
+export { BrowserUtils };
 
 export { PublicClientApplication } from "./app/PublicClientApplication";
 export { IController } from "./controllers/IController";
@@ -32,7 +30,6 @@ export {
     ApiId,
     CacheLookupPolicy,
 } from "./utils/BrowserConstants";
-export { BrowserUtils } from "./utils/BrowserUtils";
 
 /*
  * export { IController} from "./controllers/IController";

lib/msal-browser/src/interaction_client/BaseInteractionClient.ts

@@ -32,7 +32,7 @@ import { PopupRequest } from "../request/PopupRequest";
 import { SsoSilentRequest } from "../request/SsoSilentRequest";
 import { version } from "../packageMetadata";
 import { BrowserConstants } from "../utils/BrowserConstants";
-import { BrowserUtils } from "../utils/BrowserUtils";
+import * as BrowserUtils from "../utils/BrowserUtils";
 import { INavigationClient } from "../navigation/INavigationClient";
 import { NativeMessageHandler } from "../broker/nativeBroker/NativeMessageHandler";
 import { AuthenticationResult } from "../response/AuthenticationResult";

lib/msal-browser/src/interaction_client/PopupClient.ts

@@ -30,7 +30,7 @@ import {
 } from "../utils/BrowserConstants";
 import { EndSessionPopupRequest } from "../request/EndSessionPopupRequest";
 import { NavigationOptions } from "../navigation/NavigationOptions";
-import { BrowserUtils } from "../utils/BrowserUtils";
+import * as BrowserUtils from "../utils/BrowserUtils";
 import { PopupRequest } from "../request/PopupRequest";
 import { NativeInteractionClient } from "./NativeInteractionClient";
 import { NativeMessageHandler } from "../broker/nativeBroker/NativeMessageHandler";
@@ -211,6 +211,7 @@ export class PopupClient extends StandardInteractionClient {
             request,
             InteractionType.Popup
         );
+        BrowserUtils.preconnect(validRequest.authority);
         this.browserStorage.updateCacheEntries(
             validRequest.state,
             validRequest.nonce,

lib/msal-browser/src/interaction_client/RedirectClient.ts

@@ -26,7 +26,7 @@ import {
     TemporaryCacheKeys,
 } from "../utils/BrowserConstants";
 import { RedirectHandler } from "../interaction_handler/RedirectHandler";
-import { BrowserUtils } from "../utils/BrowserUtils";
+import * as BrowserUtils from "../utils/BrowserUtils";
 import { EndSessionRequest } from "../request/EndSessionRequest";
 import { EventType } from "../event/EventType";
 import { NavigationOptions } from "../navigation/NavigationOptions";

lib/msal-browser/src/interaction_client/SilentIframeClient.ts

@@ -34,6 +34,7 @@ import { SsoSilentRequest } from "../request/SsoSilentRequest";
 import { NativeMessageHandler } from "../broker/nativeBroker/NativeMessageHandler";
 import { NativeInteractionClient } from "./NativeInteractionClient";
 import { AuthenticationResult } from "../response/AuthenticationResult";
+import * as BrowserUtils from "../utils/BrowserUtils";
 
 export class SilentIframeClient extends StandardInteractionClient {
     protected apiId: ApiId;
@@ -114,6 +115,7 @@ export class SilentIframeClient extends StandardInteractionClient {
             },
             InteractionType.Silent
         );
+        BrowserUtils.preconnect(silentRequest.authority);
         this.browserStorage.updateCacheEntries(
             silentRequest.state,
             silentRequest.nonce,

lib/msal-browser/src/interaction_client/StandardInteractionClient.ts

@@ -37,7 +37,7 @@ import {
     BrowserStateObject,
 } from "../utils/BrowserProtocolUtils";
 import { EndSessionRequest } from "../request/EndSessionRequest";
-import { BrowserUtils } from "../utils/BrowserUtils";
+import * as BrowserUtils from "../utils/BrowserUtils";
 import { RedirectRequest } from "../request/RedirectRequest";
 import { PopupRequest } from "../request/PopupRequest";
 import { SsoSilentRequest } from "../request/SsoSilentRequest";