fix(next/router): Prevent query delete in routing when next.config ba…

…sePath option is true
vercel · Sep 15, 2022 · 37c3104 · 37c3104
1 parent 7477fcd
commit 37c3104
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/packages/next/shared/lib/router/router.ts b/packages/next/shared/lib/router/router.ts
@@ -1552,7 +1552,11 @@ export default class Router implements BaseRouter {
           query = Object.assign({}, routeInfo.query || {}, query)
         }
 
-        if (routeMatch && pathname !== parsed.pathname) {
+        const cleanedParsedPathname = hasBasePath(parsed.pathname)
+          ? removeBasePath(parsed.pathname)
+          : parsed.pathname
+
+        if (routeMatch && pathname !== cleanedParsedPathname) {
           Object.keys(routeMatch).forEach((key) => {
             if (routeMatch && query[key] === routeMatch[key]) {
               delete query[key]