fix: align getAccessTokenSilently return type with auth0-spa-js

package.json

@@ -30,7 +30,7 @@
     "@angular/core": "^20.3.31",
     "@angular/platform-browser": "^20.3.31",
     "@angular/router": "^20.3.31",
-    "@auth0/auth0-spa-js": "^2.24.1",
+    "@auth0/auth0-spa-js": "^2.26.0",
     "rxjs": "^6.6.7",
     "tslib": "^2.8.1",
     "zone.js": "~0.15.1"

projects/auth0-angular/package.json

@@ -32,7 +32,7 @@
   },
   "dependencies": {
     "tslib": "^2.0.0",
-    "@auth0/auth0-spa-js": "^2.21.0"
+    "@auth0/auth0-spa-js": "^2.26.0"
   },
   "schematics": "./schematics/collection.json"
 }

projects/auth0-angular/src/lib/auth.interceptor.ts

@@ -118,16 +118,20 @@ export class AuthHttpInterceptor implements HttpInterceptor {
   ): Observable<string> {
     return of(this.auth0Client).pipe(
       concatMap((client) => client.getTokenSilently(options)),
-      map((tokenOrResponse: string | GetTokenSilentlyVerboseResponse) => {
-        // spa-js returns undefined when cacheMode is 'cache-only' with no
-        // cached entry, or when an IPSIE session_expiry ceiling is reached.
-        if (!tokenOrResponse) {
-          throw { error: 'missing_token' };
+      map(
+        (
+          tokenOrResponse: string | GetTokenSilentlyVerboseResponse | undefined
+        ) => {
+          // spa-js returns undefined when cacheMode is 'cache-only' with no
+          // cached entry, or when an IPSIE session_expiry ceiling is reached.
+          if (!tokenOrResponse) {
+            throw { error: 'missing_token' };
+          }
+          // Extract access_token from detailed response when detailedResponse: true
+          if (typeof tokenOrResponse === 'string') return tokenOrResponse;
+          return tokenOrResponse.access_token;
         }
-        // Extract access_token from detailed response when detailedResponse: true
-        if (typeof tokenOrResponse === 'string') return tokenOrResponse;
-        return tokenOrResponse.access_token;
-      }),
+      ),
       tap((token) => this.authState.setAccessToken(token)),
       catchError((error) => {
         this.authState.refresh();

projects/auth0-angular/src/lib/auth.service.ts

@@ -252,14 +252,16 @@ export class AuthService<TAppState extends AppState = AppState>
    */
   getAccessTokenSilently(
     options: GetTokenSilentlyOptions & { detailedResponse: true }
-  ): Observable<GetTokenSilentlyVerboseResponse>;
+  ): Observable<GetTokenSilentlyVerboseResponse | undefined>;
 
   /**
    * Fetches a new access token and returns it.
    *
    * @param options The options for configuring the token fetch.
    */
-  getAccessTokenSilently(options?: GetTokenSilentlyOptions): Observable<string>;
+  getAccessTokenSilently(
+    options?: GetTokenSilentlyOptions
+  ): Observable<string | undefined>;
 
   /**
    * ```js
@@ -290,7 +292,7 @@ export class AuthService<TAppState extends AppState = AppState>
    */
   getAccessTokenSilently(
     options: GetTokenSilentlyOptions = {}
-  ): Observable<string | GetTokenSilentlyVerboseResponse> {
+  ): Observable<string | GetTokenSilentlyVerboseResponse | undefined> {
     return of(this.auth0Client).pipe(
       concatMap((client) =>
         options.detailedResponse === true
@@ -577,10 +579,7 @@ export class AuthService<TAppState extends AppState = AppState>
     updateAuthenticationMethod: (
       id: string,
       data: UpdateAuthenticationMethodRequest
-    ) =>
-      from(
-        this.auth0Client.myAccount.updateAuthenticationMethod(id, data)
-      ),
+    ) => from(this.auth0Client.myAccount.updateAuthenticationMethod(id, data)),
     enrollmentChallenge: (options: EnrollmentChallengeOptions) =>
       from(this.auth0Client.myAccount.enrollmentChallenge(options)),
     enrollmentVerify: (options: EnrollmentVerifyOptions) =>