Fix unsupported char type

packages/extensions/openapi-to-typespec/src/transforms/transform-object.ts

@@ -46,6 +46,7 @@ const typespecTypes = new Map<string, string>([
   [SchemaType.DateTime, "utcDateTime"],
   [SchemaType.UnixTime, "plainTime"],
   [SchemaType.String, "string"],
+  [SchemaType.Char, "string"],
   [SchemaType.Time, "plainTime"],
   [SchemaType.Uuid, "string"],
   [SchemaType.Uri, "url"],

packages/extensions/openapi-to-typespec/test/search/readme.md

@@ -0,0 +1,10 @@
+```yaml
+library-name: Search
+namespace: Azure.Search
+isAzureSpec: true
+require: https://raw.githubusercontent.com/Azure/azure-rest-api-specs/main/specification/search/data-plane/Azure.Search/readme.md
+#tag: package-preview-2023-06
+modelerfour:
+  flatten-payloads: false
+deserialize-null-collection-as-null-value: true
+```

packages/extensions/openapi-to-typespec/test/search/tsp-output/main.tsp

@@ -0,0 +1,45 @@
+/**
+ * PLEASE DO NOT REMOVE - USED FOR CONVERTER METRICS
+ * Generated by package: @autorest/openapi-to-typespec
+ * Version: Not generated in test
+ * Date: Not generated in test
+ */
+import "@typespec/rest";
+import "@typespec/http";
+import "./routes.tsp";
+
+using TypeSpec.Rest;
+using TypeSpec.Http;
+using TypeSpec.Versioning;
+/**
+ * Client that can be used to manage and query indexes and documents, as well as
+ * manage other resources, on a search service.
+ */
+@service({
+  title: "SearchClient",
+})
+@versioned(Versions)
+@server(
+  "{endpoint}",
+  "Client that can be used to manage and query indexes and documents, as well as manage other resources, on a search service.",
+  {
+    /**
+     * The name of the index.
+     */
+    indexName: string,
+
+    endpoint: string,
+  }
+)
+namespace Azure.Search;
+
+/**
+ * The available API versions.
+ */
+enum Versions {
+  /**
+   * The 2024-07-01 API version.
+   */
+  @useDependency(Azure.Core.Versions.v1_0_Preview_1)
+  v2024_07_01: "2024-07-01",
+}