chore(codegen): omit generation of union visitors in schema serde

Makefile

@@ -12,13 +12,16 @@ generate-protocol-tests:
 	rm -rf ./private/smithy-rpcv2-cbor
 	rm -rf ./private/smithy-rpcv2-cbor-schema
 	rm -rf ./private/my-local-model
+	rm -rf ./private/my-local-model-schema
 	cp -r ./smithy-typescript-protocol-test-codegen/build/smithyprojections/smithy-typescript-protocol-test-codegen/smithy-rpcv2-cbor/typescript-codegen ./private/smithy-rpcv2-cbor
 	cp -r ./smithy-typescript-protocol-test-codegen/build/smithyprojections/smithy-typescript-protocol-test-codegen/smithy-rpcv2-cbor-schema/typescript-codegen ./private/smithy-rpcv2-cbor-schema
 	cp -r ./smithy-typescript-protocol-test-codegen/build/smithyprojections/smithy-typescript-protocol-test-codegen/my-local-model/typescript-client-codegen/ ./private/my-local-model
+	cp -r ./smithy-typescript-protocol-test-codegen/build/smithyprojections/smithy-typescript-protocol-test-codegen/my-local-model-schema/typescript-client-codegen/ ./private/my-local-model-schema
 	node ./scripts/post-protocol-test-codegen
 	npx prettier --write ./private/smithy-rpcv2-cbor
 	npx prettier --write ./private/smithy-rpcv2-cbor-schema
 	npx prettier --write ./private/my-local-model
+	npx prettier --write ./private/my-local-model-schema
 	yarn
 
 test-protocols:

private/my-local-model-schema/package.json

@@ -0,0 +1,80 @@
+{
+  "name": "xyz-schema",
+  "description": "xyz-schema client",
+  "version": "0.0.1",
+  "scripts": {
+    "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types'",
+    "build:cjs": "tsc -p tsconfig.cjs.json",
+    "build:es": "tsc -p tsconfig.es.json",
+    "build:types": "tsc -p tsconfig.types.json",
+    "build:types:downlevel": "downlevel-dts dist-types dist-types/ts3.4",
+    "clean": "rimraf ./dist-* && rimraf *.tsbuildinfo || exit 0",
+    "prepack": "yarn run clean && yarn run build"
+  },
+  "main": "./dist-cjs/index.js",
+  "types": "./dist-types/index.d.ts",
+  "module": "./dist-es/index.js",
+  "sideEffects": false,
+  "dependencies": {
+    "@aws-crypto/sha256-browser": "5.2.0",
+    "@aws-crypto/sha256-js": "5.2.0",
+    "@aws-sdk/types": "latest",
+    "@smithy/config-resolver": "workspace:^",
+    "@smithy/core": "workspace:^",
+    "@smithy/eventstream-serde-browser": "workspace:^",
+    "@smithy/eventstream-serde-config-resolver": "workspace:^",
+    "@smithy/eventstream-serde-node": "workspace:^",
+    "@smithy/fetch-http-handler": "workspace:^",
+    "@smithy/hash-node": "workspace:^",
+    "@smithy/invalid-dependency": "workspace:^",
+    "@smithy/middleware-content-length": "workspace:^",
+    "@smithy/middleware-endpoint": "workspace:^",
+    "@smithy/middleware-retry": "workspace:^",
+    "@smithy/middleware-serde": "workspace:^",
+    "@smithy/middleware-stack": "workspace:^",
+    "@smithy/node-config-provider": "workspace:^",
+    "@smithy/node-http-handler": "workspace:^",
+    "@smithy/protocol-http": "workspace:^",
+    "@smithy/smithy-client": "workspace:^",
+    "@smithy/types": "workspace:^",
+    "@smithy/url-parser": "workspace:^",
+    "@smithy/util-base64": "workspace:^",
+    "@smithy/util-body-length-browser": "workspace:^",
+    "@smithy/util-body-length-node": "workspace:^",
+    "@smithy/util-defaults-mode-browser": "workspace:^",
+    "@smithy/util-defaults-mode-node": "workspace:^",
+    "@smithy/util-endpoints": "workspace:^",
+    "@smithy/util-middleware": "workspace:^",
+    "@smithy/util-retry": "workspace:^",
+    "@smithy/util-utf8": "workspace:^",
+    "tslib": "^2.6.2"
+  },
+  "devDependencies": {
+    "@tsconfig/node18": "18.2.4",
+    "@types/node": "^18.19.69",
+    "concurrently": "7.0.0",
+    "downlevel-dts": "0.10.1",
+    "rimraf": "^3.0.0",
+    "typescript": "~5.8.3"
+  },
+  "engines": {
+    "node": ">=18.0.0"
+  },
+  "typesVersions": {
+    "<4.0": {
+      "dist-types/*": [
+        "dist-types/ts3.4/*"
+      ]
+    }
+  },
+  "files": [
+    "dist-*/**"
+  ],
+  "private": true,
+  "browser": {
+    "./dist-es/runtimeConfig": "./dist-es/runtimeConfig.browser"
+  },
+  "react-native": {
+    "./dist-es/runtimeConfig": "./dist-es/runtimeConfig.native"
+  }
+}

private/my-local-model-schema/src/XYZService.ts

@@ -0,0 +1,54 @@
+// smithy-typescript generated code
+import { XYZServiceClient, XYZServiceClientConfig } from "./XYZServiceClient";
+import { GetNumbersCommand, GetNumbersCommandInput, GetNumbersCommandOutput } from "./commands/GetNumbersCommand";
+import {
+  TradeEventStreamCommand,
+  TradeEventStreamCommandInput,
+  TradeEventStreamCommandOutput,
+} from "./commands/TradeEventStreamCommand";
+import { createAggregatedClient } from "@smithy/smithy-client";
+import { HttpHandlerOptions as __HttpHandlerOptions } from "@smithy/types";
+
+const commands = {
+  GetNumbersCommand,
+  TradeEventStreamCommand,
+};
+
+export interface XYZService {
+  /**
+   * @see {@link GetNumbersCommand}
+   */
+  getNumbers(): Promise<GetNumbersCommandOutput>;
+  getNumbers(args: GetNumbersCommandInput, options?: __HttpHandlerOptions): Promise<GetNumbersCommandOutput>;
+  getNumbers(args: GetNumbersCommandInput, cb: (err: any, data?: GetNumbersCommandOutput) => void): void;
+  getNumbers(
+    args: GetNumbersCommandInput,
+    options: __HttpHandlerOptions,
+    cb: (err: any, data?: GetNumbersCommandOutput) => void
+  ): void;
+
+  /**
+   * @see {@link TradeEventStreamCommand}
+   */
+  tradeEventStream(): Promise<TradeEventStreamCommandOutput>;
+  tradeEventStream(
+    args: TradeEventStreamCommandInput,
+    options?: __HttpHandlerOptions
+  ): Promise<TradeEventStreamCommandOutput>;
+  tradeEventStream(
+    args: TradeEventStreamCommandInput,
+    cb: (err: any, data?: TradeEventStreamCommandOutput) => void
+  ): void;
+  tradeEventStream(
+    args: TradeEventStreamCommandInput,
+    options: __HttpHandlerOptions,
+    cb: (err: any, data?: TradeEventStreamCommandOutput) => void
+  ): void;
+}
+
+/**
+ * xyz interfaces
+ * @public
+ */
+export class XYZService extends XYZServiceClient implements XYZService {}
+createAggregatedClient(commands, XYZService);