chore(region-config-resolver): use region functions from smithy (#7440)

Author: kuhe

packages/region-config-resolver/package.json

@@ -24,17 +24,14 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@aws-sdk/types": "*",
-    "@smithy/node-config-provider": "^4.3.2",
+    "@smithy/config-resolver": "^4.3.2",
     "@smithy/types": "^4.7.1",
-    "@smithy/util-config-provider": "^4.2.0",
-    "@smithy/util-middleware": "^4.2.2",
     "tslib": "^2.6.2"
   },
   "devDependencies": {
     "@tsconfig/recommended": "1.0.1",
     "concurrently": "7.0.0",
     "downlevel-dts": "0.10.1",
-    "jest": "28.1.1",
     "rimraf": "3.0.2",
     "typescript": "~5.8.3"
   },

packages/region-config-resolver/src/extensions/index.ts

@@ -1,5 +1,5 @@
-import { AwsRegionExtensionConfiguration } from "@aws-sdk/types";
-import { Provider } from "@smithy/types";
+import type { AwsRegionExtensionConfiguration } from "@aws-sdk/types";
+import type { Provider } from "@smithy/types";
 
 export type RegionExtensionRuntimeConfigType = Partial<{ region: string | Provider<string> }>;
 

packages/region-config-resolver/src/index.ts

@@ -1,2 +1,2 @@
 export * from "./extensions";
-export * from "./regionConfig";
+export * from "./regionConfig/awsRegionConfig";

packages/region-config-resolver/src/regionConfig/awsRegionConfig.ts

@@ -0,0 +1,22 @@
+/**
+ * Backward compatibility re-export alias.
+ * @internal
+ */
+export {
+  REGION_ENV_NAME,
+  REGION_INI_NAME,
+  NODE_REGION_CONFIG_OPTIONS,
+  NODE_REGION_CONFIG_FILE_OPTIONS,
+} from "@smithy/config-resolver";
+
+/**
+ * Backward compatibility re-export alias.
+ * @internal
+ */
+export type { RegionInputConfig, RegionResolvedConfig } from "@smithy/config-resolver";
+
+/**
+ * Backward compatibility re-export alias.
+ * @internal
+ */
+export { resolveRegionConfig } from "@smithy/config-resolver";