[sitecore-jss-nextjs]: fixed redirects middleware when pattern use default locale in regexp (#1696)

* [sitecore-jss-nextjs]: fixed redirects middleware when pattern use default local in regexp

* [sitecore-jss-nextjs]: changed CHANGELOG

* [sitecore-jss-nextjs]: fixed ESlint errors

* [sitecore-jss-nextjs]: refactoring condition of redirects

---------

Co-authored-by: Ruslan Matkovskyi <[email protected]>

Author: sc-ruslanmatkovskyi

CHANGELOG.md

@@ -25,6 +25,7 @@ Our versioning strategy is as follows:
 * `[templates/node-headless-ssr-proxy]` `[node-headless-ssr-proxy]` Add sc_site qs parameter to Layout Service requests by default ([#1660](https://github.com/Sitecore/jss/pull/1660))
 * `[templates/nextjs-sxa]` Fixed Image component when there is using Banner variant which set property background-image when image is empty. ([#1689](https://github.com/Sitecore/jss/pull/1689)) ([#1692](https://github.com/Sitecore/jss/pull/1692))
 * `[sitecore-jss-react]` `[templates/nextjs-xmcloud]` Ensure FEAAS and BYOC components can correctly use item datasources ([#1694](https://github.com/Sitecore/jss/pull/1694))
+* `[sitecore-jss-nextjs]` Fix loop error in redirect middleware when the pattern of redirect has default locale. ([#1696](https://github.com/Sitecore/jss/pull/1696))
 
 ### 🛠 Breaking Changes
 

packages/sitecore-jss-nextjs/src/middleware/redirects-middleware.ts

@@ -173,9 +173,12 @@ export class RedirectsMiddleware extends MiddlewareBase {
     const redirects = await this.redirectsService.fetchRedirects(siteName);
     const tragetURL = req.nextUrl.pathname;
     const targetQS = req.nextUrl.search || '';
+    const language = this.getLanguage(req);
+    const modifyRedirects = structuredClone(redirects);
 
-    return redirects.length
-      ? redirects.find((redirect: RedirectInfo) => {
+    return modifyRedirects.length
+      ? modifyRedirects.find((redirect: RedirectInfo) => {
+          redirect.pattern = redirect.pattern.replace(RegExp(`^[^]?/${language}/`, 'gi'), '');
           redirect.pattern = `/^\/${redirect.pattern
             .replace(/^\/|\/$/g, '')
             .replace(/^\^\/|\/\$$/g, '')