From e9f68dc7c42ff4426e3d9bb5574ba8996cd60316 Mon Sep 17 00:00:00 2001
From: daiwei <daiwei521@126.com>
Date: Mon, 1 Dec 2025 16:47:39 +0800
Subject: [PATCH] refactor(runtime-vapor): pass vapor slot fallback directly to
 `renderSlot`

---
 packages/runtime-core/src/helpers/renderSlot.ts | 2 +-
 packages/runtime-core/src/index.ts              | 4 ----
 packages/runtime-vapor/src/vdomInterop.ts       | 5 +----
 3 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/packages/runtime-core/src/helpers/renderSlot.ts b/packages/runtime-core/src/helpers/renderSlot.ts
index 3a9389a592..9bcbc3aa10 100644
--- a/packages/runtime-core/src/helpers/renderSlot.ts
+++ b/packages/runtime-core/src/helpers/renderSlot.ts
@@ -130,7 +130,7 @@ export function ensureValidVNode(
     : null
 }
 
-export function ensureVaporSlotFallback(
+function ensureVaporSlotFallback(
   vnodes: VNodeArrayChildren | null | undefined,
   fallback?: () => VNodeArrayChildren,
 ): void {
diff --git a/packages/runtime-core/src/index.ts b/packages/runtime-core/src/index.ts
index 58f6f40b9f..4cee02acb1 100644
--- a/packages/runtime-core/src/index.ts
+++ b/packages/runtime-core/src/index.ts
@@ -608,10 +608,6 @@ export { setRef } from './rendererTemplateRef'
  * @internal
  */
 export { type VNodeNormalizedRef, normalizeRef } from './vnode'
-/**
- * @internal
- */
-export { ensureVaporSlotFallback } from './helpers/renderSlot'
 /**
  * @internal
  */
diff --git a/packages/runtime-vapor/src/vdomInterop.ts b/packages/runtime-vapor/src/vdomInterop.ts
index 7f051e064f..e408c78501 100644
--- a/packages/runtime-vapor/src/vdomInterop.ts
+++ b/packages/runtime-vapor/src/vdomInterop.ts
@@ -21,7 +21,6 @@ import {
   currentInstance,
   ensureHydrationRenderer,
   ensureRenderer,
-  ensureVaporSlotFallback,
   isEmitListener,
   isKeepAlive,
   isRef,
@@ -464,12 +463,10 @@ function renderVDOMSlot(
           slotsRef.value,
           isFunction(name) ? name() : name,
           props,
+          fallback as any,
         )
 
         let children = vnode.children as any[]
-        // handle forwarded vapor slot without its own fallback
-        // use the fallback provided by the slot outlet
-        ensureVaporSlotFallback(children, fallback as any)
         isValidSlot = children.length > 0
       }
 
-- 
2.47.3