From bd5c07ea72bb219329e9a32fdc76c759b63a0b59 Mon Sep 17 00:00:00 2001
From: Evan-k <48147837+k983551019@users.noreply.github.com>
Date: Mon, 16 Dec 2024 21:17:59 +0800
Subject: [PATCH] fix(components): [anchor] scroll whether link is selected at
 the top (#18047)

fix(components): [anchor] Scroll whether link is selected at the top

Co-authored-by: sea <45450994+warmthsea@users.noreply.github.com>
Co-authored-by: btea <2356281422@qq.com>
---
 packages/components/anchor/src/anchor.ts  | 7 +++++++
 packages/components/anchor/src/anchor.vue | 3 +--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/components/anchor/src/anchor.ts b/packages/components/anchor/src/anchor.ts
index eb49000867..db4c0acdec 100644
--- a/packages/components/anchor/src/anchor.ts
+++ b/packages/components/anchor/src/anchor.ts
@@ -60,6 +60,13 @@ export const anchorProps = buildProps({
     type: definePropType<'vertical' | 'horizontal'>(String),
     default: 'vertical',
   },
+  /**
+   * @description Scroll whether link is selected at the top
+   */
+  scrollTop: {
+    type: Boolean,
+    default: false,
+  },
 })
 
 export type AnchorProps = ExtractPropTypes<typeof anchorProps>
diff --git a/packages/components/anchor/src/anchor.vue b/packages/components/anchor/src/anchor.vue
index bd6ac460ec..e1105fd2f8 100644
--- a/packages/components/anchor/src/anchor.vue
+++ b/packages/components/anchor/src/anchor.vue
@@ -134,13 +134,12 @@ const getCurrentHref = () => {
     })
   }
   anchorTopList.sort((prev, next) => prev.top - next.top)
-
   for (let i = 0; i < anchorTopList.length; i++) {
     const item = anchorTopList[i]
     const next = anchorTopList[i + 1]
 
     if (i === 0 && scrollTop === 0) {
-      return ''
+      return props.scrollTop ? item.href : ''
     }
     if (item.top <= scrollTop && (!next || next.top > scrollTop)) {
       return item.href