From d51404f15d8789085305d11ecacdddc4d90e4b6a Mon Sep 17 00:00:00 2001
From: SerKo <serko.dev@gmail.com>
Date: Wed, 19 Nov 2025 21:41:30 +0800
Subject: [PATCH 1/3] fix(runtime-core): keep options API typing intact when
 `expose` is used

---
 packages/runtime-core/src/apiDefineComponent.ts | 2 +-
 packages/runtime-core/src/componentOptions.ts   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/runtime-core/src/apiDefineComponent.ts b/packages/runtime-core/src/apiDefineComponent.ts
index 68155e831a3..e83715f6a39 100644
--- a/packages/runtime-core/src/apiDefineComponent.ts
+++ b/packages/runtime-core/src/apiDefineComponent.ts
@@ -272,7 +272,7 @@ export function defineComponent<
         Slots,
         LocalComponents,
         Directives,
-        Exposed
+        string
       >
     >,
 ): DefineComponent<
diff --git a/packages/runtime-core/src/componentOptions.ts b/packages/runtime-core/src/componentOptions.ts
index 35f2f0cfaf5..fc41b04a9d4 100644
--- a/packages/runtime-core/src/componentOptions.ts
+++ b/packages/runtime-core/src/componentOptions.ts
@@ -1194,7 +1194,7 @@ export type ComponentOptionsWithoutProps<
       S,
       LC,
       Directives,
-      Exposed
+      string
     >
   >
 
@@ -1256,7 +1256,7 @@ export type ComponentOptionsWithArrayProps<
       S,
       LC,
       Directives,
-      Exposed
+      string
     >
   >
 

From b3d4e08cc36632eae228f48daa5f3016f4730bda Mon Sep 17 00:00:00 2001
From: SerKo <serko.dev@gmail.com>
Date: Wed, 19 Nov 2025 21:42:58 +0800
Subject: [PATCH 2/3] test: add dts fixture

---
 .../dts-test/defineComponent.test-d.tsx       | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/packages-private/dts-test/defineComponent.test-d.tsx b/packages-private/dts-test/defineComponent.test-d.tsx
index 1967668dceb..2cf7d2eeaac 100644
--- a/packages-private/dts-test/defineComponent.test-d.tsx
+++ b/packages-private/dts-test/defineComponent.test-d.tsx
@@ -2107,3 +2107,38 @@ defineComponent({
     expectType<string>(this.$props)
   },
 })
+
+// expose should not break other instance properties
+defineComponent({
+  setup() {
+    const setup1 = ref('setup1')
+    const setup2 = ref('setup2')
+    return { setup1, setup2 }
+  },
+  data() {
+    return {
+      data1: 1,
+    }
+  },
+  props: {
+    props1: {
+      type: String,
+    },
+  },
+  methods: {
+    methods1() {
+      return `methods1`
+    },
+  },
+  computed: {
+    computed1() {
+      this.setup1
+      this.setup2
+      this.data1
+      this.props1
+      this.methods1()
+      return `computed1`
+    },
+  },
+  expose: ['setup1'],
+})

From cba4209c9bf6602f56d8e6cb6789e0043e4ef85a Mon Sep 17 00:00:00 2001
From: SerKo <serko.dev@gmail.com>
Date: Wed, 19 Nov 2025 21:54:55 +0800
Subject: [PATCH 3/3] chore: update issue id in comment

---
 packages-private/dts-test/defineComponent.test-d.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages-private/dts-test/defineComponent.test-d.tsx b/packages-private/dts-test/defineComponent.test-d.tsx
index 2cf7d2eeaac..9dc5bf87135 100644
--- a/packages-private/dts-test/defineComponent.test-d.tsx
+++ b/packages-private/dts-test/defineComponent.test-d.tsx
@@ -2108,7 +2108,7 @@ defineComponent({
   },
 })
 
-// expose should not break other instance properties
+// #14117
 defineComponent({
   setup() {
     const setup1 = ref('setup1')