Fix linting errors: rename xaa-util to xaaUtil, fix unicorn rules

Author: sagar-okta

packages/client/src/client/middleware.ts

@@ -2,8 +2,8 @@ import type { FetchLike } from '@modelcontextprotocol/core';
 
 import type { OAuthClientProvider } from './auth.js';
 import { auth, extractWWWAuthenticateParams, UnauthorizedError } from './auth.js';
-import type { XAAOptions } from './xaa-util.js';
-import { getAccessToken } from './xaa-util.js';
+import type { XAAOptions } from './xaaUtil.js';
+import { getAccessToken } from './xaaUtil.js';
 
 /**
  * Middleware function that wraps and enhances fetch functionality.
@@ -243,7 +243,7 @@ export const withLogging = (options: LoggingOptions = {}): Middleware => {
  */
 export const withCrossAppAccess = (options: XAAOptions): Middleware => {
     return wrappedFetchFunction => {
-        let accessToken: string | undefined = undefined;
+        let accessToken: string | undefined;
 
         return async (url, init = {}): Promise<Response> => {
             if (!accessToken) {

packages/client/src/client/xaa-util.ts

@@ -179,7 +179,7 @@ const transformScopes = (scopes?: string | Set<string> | string[] | null) => {
         }
 
         if (scopes instanceof Set) {
-            return Array.from(scopes).join(' ');
+            return [...scopes].join(' ');
         }
 
         if (typeof scopes === 'string') {
@@ -221,14 +221,17 @@ const requestIdJwtAuthzGrant = async (
     let subjectTokenUrn: OAuthTokenType;
 
     switch (subjectTokenType) {
-        case 'saml':
+        case 'saml': {
             subjectTokenUrn = OAuthTokenType.SAML2;
             break;
-        case 'oidc':
+        }
+        case 'oidc': {
             subjectTokenUrn = OAuthTokenType.ID_TOKEN;
             break;
-        default:
+        }
+        default: {
             throw new InvalidArgumentError('opts.subjectTokenType', 'A valid SubjectTokenType constant is required.');
+        }
     }
 
     const scope = transformScopes(scopes);