From 362899190666a2d1f9fe23c92e9b6007721ad69f Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Wed, 1 Sep 2021 17:27:03 -0400
Subject: [PATCH] fix(compiler): only generate non-static ref for script setup
 if the binding exists

fix #4431
---
 packages/compiler-core/src/transforms/transformElement.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/compiler-core/src/transforms/transformElement.ts b/packages/compiler-core/src/transforms/transformElement.ts
index 4b142564f0a..e31a2ccbf0a 100644
--- a/packages/compiler-core/src/transforms/transformElement.ts
+++ b/packages/compiler-core/src/transforms/transformElement.ts
@@ -465,7 +465,12 @@ export function buildProps(
         // in inline mode there is no setupState object, so we can't use string
         // keys to set the ref. Instead, we need to transform it to pass the
         // acrtual ref instead.
-        if (!__BROWSER__ && context.inline) {
+        if (
+          !__BROWSER__ &&
+          value &&
+          context.inline &&
+          context.bindingMetadata[value.content]
+        ) {
           isStatic = false
         }
       }