chore: pass optional signingRegion to getResolvedSigningRegion

Author: trivikr

packages/config-resolver/src/regionInfo/getRegionInfo.ts

@@ -26,7 +26,7 @@ export const getRegionInfo = (
   });
   const signingRegion = getResolvedSigningRegion(region, {
     hostname,
-    resolvedRegionHash: regionHash[resolvedRegion],
+    signingRegion: regionHash[resolvedRegion]?.signingRegion,
     regionRegex: partitionHash[partition].regionRegex,
   });
 

packages/config-resolver/src/regionInfo/getResolvedSigningRegion.ts

@@ -2,16 +2,16 @@ import { isFipsRegion } from "./isFipsRegion";
 
 export interface GetResolvedSigningRegionOptions {
   hostname: string;
-  resolvedRegionHash: { signingRegion?: string };
   regionRegex: string;
+  signingRegion?: string;
 }
 
 export const getResolvedSigningRegion = (
   region: string,
-  { hostname, resolvedRegionHash, regionRegex }: GetResolvedSigningRegionOptions
+  { hostname, signingRegion, regionRegex }: GetResolvedSigningRegionOptions
 ) => {
-  if (resolvedRegionHash?.signingRegion) {
-    return resolvedRegionHash.signingRegion;
+  if (signingRegion) {
+    return signingRegion;
   } else if (isFipsRegion(region)) {
     const regionRegexJs = regionRegex.replace("\\\\", "\\").replace(/^\^/g, "").replace(/\$$/g, "");
     const regionRegexmatchArray = hostname.match(regionRegexJs);