chore(client-sso-oidc): move sts to peer (#6224)

Author: isaiahshall

Diff for: clients/client-sso-oidc/package.json

@@ -20,7 +20,6 @@
   "dependencies": {
     "@aws-crypto/sha256-browser": "5.2.0",
     "@aws-crypto/sha256-js": "5.2.0",
-    "@aws-sdk/client-sts": "*",
     "@aws-sdk/core": "*",
     "@aws-sdk/credential-provider-node": "*",
     "@aws-sdk/middleware-host-header": "*",
@@ -59,6 +58,9 @@
     "@smithy/util-utf8": "^3.0.0",
     "tslib": "^2.6.2"
   },
+  "peerDependencies": {
+    "@aws-sdk/client-sts": "*"
+  },
   "devDependencies": {
     "@tsconfig/node16": "16.1.3",
     "@types/node": "^16.18.96",

Diff for: codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsCredentialProviderUtils.java

@@ -33,13 +33,21 @@ private AwsCredentialProviderUtils() {}
      * The dependencies are skipped in first party credential providers to avoid circular dependency issue.
      */
     public static void addAwsCredentialProviderDependencies(ServiceShape service, TypeScriptWriter writer) {
-        if (!service.getId().equals(ShapeId.from("com.amazonaws.ssooidc#AWSSSOOIDCService"))) {
+        boolean isStsClient =
+                service.getId().equals(ShapeId.from("com.amazonaws.sts#AWSSecurityTokenServiceV20110615"));
+        boolean isSsoOidcClient = service.getId().equals(ShapeId.from("com.amazonaws.ssooidc#AWSSSOOIDCService"));
+        if (!isSsoOidcClient) {
             // SSO OIDC client is required in Sso credential provider
             writer.addDependency(AwsDependency.SSO_OIDC_CLIENT);
         }
-        if (!service.getId().equals(ShapeId.from("com.amazonaws.sts#AWSSecurityTokenServiceV20110615"))) {
+        if (!isStsClient) {
             // STS client is required in Ini and WebIdentity credential providers
-            writer.addDependency(AwsDependency.STS_CLIENT);
+            if (isSsoOidcClient) {
+                // For the SSO OIDC client, adding the STS client as a peerDependency avoids circular dependency issues.
+                writer.addDependency(AwsDependency.STS_CLIENT_PEER);
+            } else {
+                writer.addDependency(AwsDependency.STS_CLIENT);
+            }
         }
     }
 }

Diff for: codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsDependency.java

@@ -67,6 +67,7 @@ public enum AwsDependency implements Dependency {
     TRANSCRIBE_STREAMING_MIDDLEWARE(NORMAL_DEPENDENCY, "@aws-sdk/middleware-sdk-transcribe-streaming"),
     STS_MIDDLEWARE(NORMAL_DEPENDENCY, "@aws-sdk/middleware-sdk-sts"),
     STS_CLIENT(NORMAL_DEPENDENCY, "@aws-sdk/client-sts"),
+    STS_CLIENT_PEER(PEER_DEPENDENCY, "@aws-sdk/client-sts"),
     SSO_OIDC_CLIENT(NORMAL_DEPENDENCY, "@aws-sdk/client-sso-oidc"),
     MIDDLEWARE_LOGGER(NORMAL_DEPENDENCY, "@aws-sdk/middleware-logger"),
     MIDDLEWARE_USER_AGENT("dependencies", "@aws-sdk/middleware-user-agent"),