@W-22283814: Fix prettier formatting and default preserveUserAgent to true

Author: kieran-sf

packages/mrt-utilities/src/utils/ssr-proxying.ts

@@ -770,14 +770,9 @@ export const X_HEADERS_TO_REMOVE_PROXY: string[] = ['x-mobify-access-key'];
 
 const X_SFDC_ACCESS_CONTROL = 'x-sfdc-access-control';
 
-export const DEFAULT_ACCESS_CONTROL_FORWARDING_HOSTNAMES: string[] = [
-  '.commercecloud.salesforce.com',
-];
+export const DEFAULT_ACCESS_CONTROL_FORWARDING_HOSTNAMES: string[] = ['.commercecloud.salesforce.com'];
 
-export const hostnameMatchesTransformationList = (
-  hostname: string,
-  hostnameSuffixes?: string[] | null,
-): boolean => {
+export const hostnameMatchesTransformationList = (hostname: string, hostnameSuffixes?: string[] | null): boolean => {
   if (!hostnameSuffixes || hostnameSuffixes.length === 0) {
     return false;
   }
@@ -891,7 +886,7 @@ export const rewriteProxyRequestHeaders = ({
   targetHost,
   logging = false,
   accessControlHeaderForwardingHostnames,
-  preserveUserAgent = false,
+  preserveUserAgent = true,
 }: RewriteProxyRequestHeadersParams): AWSHeaders | HTTPHeaders | IncomingHttpHeaders => {
   if (!headers) {
     return {};

packages/mrt-utilities/test/utils/ssr-proxying.test.ts

@@ -805,13 +805,13 @@ describe('rewriteProxyRequestHeaders tests', () => {
       },
     },
     {
-      name: 'overwrites User-Agent when preserveUserAgent is undefined (default)',
+      name: 'preserves User-Agent when preserveUserAgent is undefined (default is true)',
       targetHost: 'www.customer.com',
       input: {
         'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X)',
       },
       expected: {
-        'user-agent': 'Amazon CloudFront',
+        'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X)',
       },
     },
     {
@@ -901,8 +901,8 @@ describe('hostnameMatchesTransformationList', () => {
   });
 
   it('returns true when hostname ends with a suffix', () => {
-    expect(hostnameMatchesTransformationList('api.commercecloud.salesforce.com', ['.commercecloud.salesforce.com']))
-      .to.be.true;
+    expect(hostnameMatchesTransformationList('api.commercecloud.salesforce.com', ['.commercecloud.salesforce.com'])).to
+      .be.true;
   });
 
   it('returns true with multiple suffixes', () => {