From 135cbab3632536c2634e2052afeec42b8b570057 Mon Sep 17 00:00:00 2001
From: Eduardo San Martin Morote <posva13@gmail.com>
Date: Mon, 18 Aug 2025 13:22:44 +0200
Subject: [PATCH] feat: expose internal mergeRouteRecord

---
 packages/router/src/experimental/index.ts  |  7 +++++++
 packages/router/src/experimental/router.ts | 21 +++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/packages/router/src/experimental/index.ts b/packages/router/src/experimental/index.ts
index a504af1d..e16fe505 100644
--- a/packages/router/src/experimental/index.ts
+++ b/packages/router/src/experimental/index.ts
@@ -39,6 +39,13 @@ export {
 
 export { miss, MatchMiss } from './route-resolver/matchers/errors'
 
+/**
+ * Internal functions and types for the experimental router.
+ * They should all be prefixed with `_` to avoid conflicts with the public API.
+ */
+
+export { mergeRouteRecord as _mergeRouteRecord } from './router'
+
 // in the new experimental router, there are only parents
 // this should create type errors if someone is realying on children
 declare module 'vue-router' {
diff --git a/packages/router/src/experimental/router.ts b/packages/router/src/experimental/router.ts
index 0cd04e7c..1b12a122 100644
--- a/packages/router/src/experimental/router.ts
+++ b/packages/router/src/experimental/router.ts
@@ -370,6 +370,27 @@ export function normalizeRouteRecord(
     | EXPERIMENTAL_RouteRecordNormalized_Group
 }
 
+/**
+ * Merges route record objects for the experimental resolver format.
+ * This function is specifically designed to work with objects that will be passed to normalizeRouteRecord().
+ *
+ * @internal
+ *
+ * @param main - main route record object
+ * @param routeRecords - route records to merge (from definePage imports)
+ * @returns merged route record object
+ */
+export function mergeRouteRecord(
+  main: EXPERIMENTAL_RouteRecordNormalized,
+  // TODO: actual type
+  ...routeRecords: Partial<EXPERIMENTAL_RouteRecordNormalized>[]
+) {
+  for (const record of routeRecords) {
+    main.meta = { ...main.meta, ...record.meta }
+  }
+  return main
+}
+
 // TODO: probably need some generic types
 // <TResolver extends NEW_RouterResolver_Base>,
 /**
-- 
2.47.3