From 526ce7452781e592cb0d59433fad6f631bb8c8bc Mon Sep 17 00:00:00 2001
From: zhiyuanzmj <32807958+zhiyuanzmj@users.noreply.github.com>
Date: Sat, 21 Dec 2024 05:13:16 +0800
Subject: [PATCH] fix(language-core): prevent visiting functional components
 for parseScriptSetupRanges (#5049)

---
 .../language-core/lib/parsers/scriptSetupRanges.ts    |  3 +++
 .../tsc/passedFixtures/vue3/templateRef/main.vue      | 11 ++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/packages/language-core/lib/parsers/scriptSetupRanges.ts b/packages/language-core/lib/parsers/scriptSetupRanges.ts
index d8f4705a66..0eebc5071e 100644
--- a/packages/language-core/lib/parsers/scriptSetupRanges.ts
+++ b/packages/language-core/lib/parsers/scriptSetupRanges.ts
@@ -396,6 +396,9 @@ export function parseScriptSetupRanges(
 		}
 
 		ts.forEachChild(node, child => {
+			if (ts.isFunctionLike(node)) {
+				return;
+			}
 			parents.push(node);
 			visitNode(child, parents);
 			parents.pop();
diff --git a/test-workspace/tsc/passedFixtures/vue3/templateRef/main.vue b/test-workspace/tsc/passedFixtures/vue3/templateRef/main.vue
index 71237e3276..50c8109f39 100644
--- a/test-workspace/tsc/passedFixtures/vue3/templateRef/main.vue
+++ b/test-workspace/tsc/passedFixtures/vue3/templateRef/main.vue
@@ -1,10 +1,19 @@
 <script setup lang="ts">
-import TemplateRef from './template-ref.vue';
+import { useTemplateRef } from 'vue';
 import { exactType } from '../../shared';
+import TemplateRef from './template-ref.vue';
+
+function Comp() {
+	const foo = useTemplateRef('templateRef');
+	exactType(foo.value, {} as unknown);
+	return '';
+}
 </script>
 
 <template>
 	<TemplateRef ref="templateRef" />
 
 	{{ exactType($refs.templateRef?.$refs.generic?.foo, {} as (1 | undefined)) }}
+
+	<Comp />
 </template>