chore: add updated RDS DATA smithy model (#370)

* chore: add http request type guard for middlewares

header default middleware
expect continue middleare

* chore: add http request type guard for apply body checksum middlewares

* chore: only build and test demo smithy client

* feat: add isInstance to httpResponse

* chore: update rds data model

* chore: update to ts3.7; update rds model#3

* chore: update tsconfig to genenerte types only once

* chore: update gitignore

* chore: parse body with streamCollector

* chore: add error deserialization

* chore: stub Field union

* fix: fix middleware-header-default test

* fix: fix retry-middleware unit test

Author: AllanZhengYP

packages/protocol-http/src/httpRequest.ts

@@ -18,7 +18,7 @@ export class HttpRequest implements HttpMessage, HttpEndpoint {
   public query: QueryParameterBag;
   public headers: HeaderBag;
   public body?: any;
-  public isHttpRequest = true;
+  private readonly isHttpRequest = true;
 
   constructor(options: HttpRequestOptions) {
     this.method = options.method || "GET";
@@ -40,7 +40,9 @@ export class HttpRequest implements HttpMessage, HttpEndpoint {
   }
 
   static isInstance(request: unknown): request is HttpRequest {
-    return (request as HttpRequest).isHttpRequest;
+    return (
+      request !== undefined && (request as HttpRequest).isHttpRequest === true
+    );
   }
 
   getFormatedUrl(): string {

packages/protocol-http/src/httpResponse.ts

@@ -13,9 +13,17 @@ export class HttpResponse {
   public statusCode: number;
   public headers: HeaderBag;
   public body?: any;
+  private readonly isHttpResponse = true;
+
   constructor(options: HttpResponseOptions) {
     this.statusCode = options.statusCode;
     this.headers = options.headers || {};
     this.body = options.body;
   }
+
+  static isInstance(request: unknown): request is HttpResponse {
+    return (
+      request !== undefined && (request as HttpResponse).isHttpResponse === true
+    );
+  }
 }