fix: default error handler type (#7355)

Author: jagoral

.changeset/modern-comics-impress.md

@@ -0,0 +1,5 @@
+---
+"@vue-storefront/middleware": patch
+---
+
+**[FIXED]** type of `defaultErrorHandler`

packages/middleware/src/errors/defaultErrorHandler.ts

@@ -1,14 +1,10 @@
 import { getAgnosticStatusCode } from "../helpers";
-import type { Integration } from "../types";
+import type { ErrorHandler } from "../types";
 
 /**
  * Default error handler for the middleware
  */
-export const defaultErrorHandler: Integration["errorHandler"] = (
-  error,
-  _req,
-  res
-) => {
+export const defaultErrorHandler: ErrorHandler = (error, _req, res) => {
   const status = getAgnosticStatusCode(error);
   res.status(status);
   if (status < 500) {

packages/middleware/src/types/common.ts

@@ -111,6 +111,12 @@ export interface ApiClientExtension<API = any, CONTEXT = any, CONFIG = any> {
   ) => ApiClientExtensionHooks;
 }
 
+export type ErrorHandler = (
+  error: unknown,
+  req: AlokaiRequest,
+  res: AlokaiResponse
+) => void;
+
 export interface Integration<
   CONFIG extends TObject = any,
   API extends ApiMethods = any,
@@ -162,11 +168,7 @@ export interface Integration<
    * };
    * ```
    */
-  errorHandler?: (
-    error: unknown,
-    req: AlokaiRequest,
-    res: AlokaiResponse
-  ) => void;
+  errorHandler?: ErrorHandler;
 }
 
 export interface RequestParams {