From 67536ee06053b3a467a10a59a85f40828a16f07b Mon Sep 17 00:00:00 2001
From: RicardoErii <‘1974364190@qq.com’>
Date: Thu, 4 Jan 2024 21:28:14 +0800
Subject: [PATCH] fix(types): optimizing type inference with defaults

---
 packages/runtime-core/src/apiSetupHelpers.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/runtime-core/src/apiSetupHelpers.ts b/packages/runtime-core/src/apiSetupHelpers.ts
index e5f79444da0..d2d126dc667 100644
--- a/packages/runtime-core/src/apiSetupHelpers.ts
+++ b/packages/runtime-core/src/apiSetupHelpers.ts
@@ -300,7 +300,9 @@ type PropsWithDefaults<
   Defaults extends InferDefaults<T>,
   BKeys extends keyof T,
 > = Readonly<Omit<T, keyof Defaults>> & {
-  readonly [K in keyof Defaults]-?: K extends keyof T
+  readonly [K in keyof Defaults as K extends keyof T
+    ? K
+    : never]-?: K extends keyof T
     ? Defaults[K] extends undefined
       ? T[K]
       : NotUndefined<T[K]>