fix: allow additional config props (#7093)

* fix: allow additional config props

* Update slimy-walls-knock.md

Author: WojtekTheWebDev

.changeset/slimy-walls-knock.md

@@ -0,0 +1,5 @@
+---
+"@vue-storefront/sdk": patch
+---
+
+[FIXED] BaseConfig extensibility. Now, it allows to add additional custom properties.

packages/sdk/src/modules/middlewareModule/types.ts

@@ -32,6 +32,11 @@ export type BaseConfig = {
    * @default "POST"
    */
   method?: "GET" | "POST";
+
+  /**
+   * Additional properties for the configuration object.
+   */
+  [key: string]: any;
 };
 
 /**

packages/sdk/src/modules/middlewareModule/utils/prepareConfig.ts

@@ -13,11 +13,7 @@ import { RequestConfig, MethodConfig } from "../types";
  * const products = sdk.commerce.getProducts(params, prepareConfig({ method: "GET" }));
  * ```
  */
-export const prepareConfig = <
-  CustomConfig extends RequestConfig = RequestConfig
->(
-  requestConfig: CustomConfig
-): MethodConfig => {
+export const prepareConfig = (requestConfig: RequestConfig): MethodConfig => {
   return {
     ...requestConfig,
     [isConfig]: true,