From ce212a9737154068222a6101327eed7a31b3695b Mon Sep 17 00:00:00 2001
From: chizukicn <chizukicn@outlook.com>
Date: Fri, 20 Oct 2023 17:19:05 +0800
Subject: [PATCH] feat: add useAffixTargetProvider

---
 packages/core/src/affix/index.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/affix/index.ts b/packages/core/src/affix/index.ts
index edaf793..ca27dd6 100644
--- a/packages/core/src/affix/index.ts
+++ b/packages/core/src/affix/index.ts
@@ -63,7 +63,7 @@ export const useAffix = defineHookComponent({
   setup(props, { emit }) {
     const wrapperRef = ref<HTMLElement | null>(null);
 
-    const parentRef = inject(AFFIX_TARGET_KEY, undefined);
+    const parentRef = inject(AFFIX_TARGET_KEY, null);
 
     const targetRef = useElement(props.target, parentRef);
 
@@ -164,3 +164,9 @@ export const useAffix = defineHookComponent({
 export function provideAffixTarget(target: MaybeRefOrGetter<Element | null | undefined>) {
   provide(AFFIX_TARGET_KEY, target);
 }
+
+export function useAffixTargetProvider<E extends Element = Element>() {
+  const targetRef = ref<E | null>(null);
+  provideAffixTarget(targetRef);
+  return targetRef;
+}