fix: expose props type in return for generic component

close #2639

packages/vue-language-core/src/generators/script.ts

@@ -410,7 +410,7 @@ export function generate(
 			codes.push('emit: typeof __VLS_emit');
 			codes.push('};\n');
 			codes.push('})(),\n');
-			codes.push(') => ({} as any))');
+			codes.push(') => ({} as import("vue").VNode & { __props?: typeof __VLS_props, __ctx?: typeof __VLS_ctx }))');
 		}
 		else if (!sfc.script) {
 			// no script block, generate script setup code at root

packages/vue-test-workspace/vue-tsc/#2639/Bar.vue

@@ -0,0 +1,37 @@
+<template>
+	<Foo :items="items">
+		<template #content="{ item }">
+			<div>{{ item.name }}</div>
+		</template>
+	</Foo>
+</template>
+
+<script setup lang="ts">
+import Foo from './Foo.vue';
+
+type ShowCaseItem = {
+	name: string;
+	icon: string;
+	action: () => void;
+	index: number;
+};
+
+const items: ShowCaseItem[] = [
+	{
+		name: 'Instagram Follow Up',
+		action: () => {
+			console.log('open IG');
+		},
+		icon: 'instagramIcon',
+		index: 0,
+	},
+	{
+		name: 'Email Follow Up',
+		action: () => {
+			console.log('open email');
+		},
+		icon: 'envelopeIcon',
+		index: 1,
+	},
+]
+</script>

packages/vue-test-workspace/vue-tsc/#2639/Foo.vue

@@ -0,0 +1,11 @@
+<template>
+    <div v-for="item in props.items" :key="item.index" >
+      <slot :item="item" name="content" />
+    </div>
+</template>
+
+<script setup lang="ts" generic="T extends {index: number}">
+const props = defineProps<{
+  items: T[];
+}>();
+</script>

packages/vue-test-workspace/vue-tsc/components/main.vue

@@ -73,7 +73,7 @@ declare const ScriptSetupGenericExact: <T, >(
 		emit: { (e: 'bar', data: T): void },
 		expose(_exposed: { baz: T }): void,
 	}
-) => any;
+) => import('vue').VNode & { __props?: typeof _props, __ctx?: typeof _ctx };
 
 exactType(ScriptSetup, ScriptSetupExact);
 exactType(ScriptSetupExpose, ScriptSetupExposeExact);

packages/vue-test-workspace/vue-tsc/defineProp_B/main.vue

@@ -33,7 +33,7 @@ declare const ScriptSetupGenericExact: <T, >(
 		emit: any,
 		expose(_exposed: {}): void,
 	}
-) => any;
+) => import('vue').VNode & { __props?: typeof _props, __ctx?: typeof _ctx };
 
 exactType(ScriptSetup, ScriptSetupExact);
 exactType(ScriptSetupGeneric, ScriptSetupGenericExact);