feat(smithy-client): attempt to add ssdk base exception class

packages/smithy-client/src/exceptions.ts

@@ -1,48 +1,29 @@
 import { HttpResponse, MetadataBearer, ResponseMetadata, RetryableTrait, SmithyException } from "@aws-sdk/types";
 
 export class ClientException extends Error {
-  /**
-   * The shape ID name of the exception.
-   */
-  readonly name: string;
   /**
    * Whether the client or server are at fault.
    */
   readonly $fault: "client" | "server";
 
-  /**
-   * The service that encountered the exception.
-   */
-  readonly $service?: string;
-
-  /**
-   * Indicates that an error MAY be retried by the client.
-   */
-  readonly $retryable?: RetryableTrait;
-
-  readonly $frameworkError?: boolean;
-  readonly statusCode?: number;
-
-  constructor(options: {
-    name: string;
-    $fault: "client" | "server";
-    message?: string;
-    $service?: string;
-    $retryable?: RetryableTrait;
-    $frameworkError?: boolean;
-    statusCode?: number;
-  }) {
+  constructor(options: { name: string; $fault: "client" | "server"; message?: string }) {
     super(options.message);
+    Object.setPrototypeOf(this, ClientException.prototype);
     this.name = options.name;
     this.$fault = options.$fault;
-    this.$service = options.$service;
-    this.$retryable = options.$retryable;
-    this.$frameworkError = options.$frameworkError;
-    this.statusCode = options.statusCode;
-    Object.setPrototypeOf(this, ClientException.prototype);
   }
 }
 
+/**
+ * The type of the exception class constructor parameter. The returned type contains the properties
+ * in the `ExceptionType` but not in the `BaseExceptionType`. If the `BaseExceptionType` contains
+ * `$metadata` property, it's also included in the returned type.
+ */
+export type ExceptionOptionType<ExceptionType extends Error, BaseExceptionType extends Error> = Omit<
+  ExceptionType,
+  Exclude<keyof BaseExceptionType, "$metadata">
+>;
+
 export interface ServiceExceptionOptions extends SmithyException, MetadataBearer {
   message?: string;
 }