chore: short-circuit ssdk-incompatible integrations

Author: adamthom-amzn

codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsEndpointGeneratorIntegration.java

@@ -39,6 +39,10 @@ public void writeAdditionalFiles(
             SymbolProvider symbolProvider,
             BiConsumer<String, Consumer<TypeScriptWriter>> writerFactory
     ) {
+        if (!settings.generateClient()) {
+            return;
+        }
+
         writerFactory.accept("endpoints.ts", writer -> {
             new EndpointGenerator(settings.getService(model), writer).run();
         });
@@ -51,6 +55,10 @@ public void addConfigInterfaceFields(
             SymbolProvider symbolProvider,
             TypeScriptWriter writer
     ) {
+        if (!settings.generateClient()) {
+            return;
+        }
+
         writer.addImport("RegionInfoProvider", "RegionInfoProvider", TypeScriptDependency.AWS_SDK_TYPES.packageName);
         writer.writeDocs("Fetch related hostname, signing name or signing region with given region.");
         writer.write("regionInfoProvider?: RegionInfoProvider;\n");
@@ -63,6 +71,10 @@ public Map<String, Consumer<TypeScriptWriter>> getRuntimeConfigWriters(
             SymbolProvider symbolProvider,
             LanguageTarget target
     ) {
+        if (!settings.generateClient()) {
+            return Collections.emptyMap();
+        }
+
         switch (target) {
             case SHARED:
                 return MapUtils.of("regionInfoProvider", writer -> {

codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsPackageFixturesGeneratorIntegration.java

@@ -55,6 +55,11 @@ public void writeAdditionalFiles(
             resource = resource.replace("${year}", Integer.toString(Calendar.getInstance().get(Calendar.YEAR)));
             writer.write(resource);
         });
+
+        if (!settings.generateClient()) {
+            return;
+        }
+
         writerFactory.accept("README.md", writer -> {
             ServiceShape service = settings.getService(model);
             String resource =  IoUtils.readUtf8Resource(getClass(), "README.md.template");