fix(language-core): prevent visiting functional components for parseS…

…criptSetupRanges (vuejs#5049)

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();

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>