From ce0220612efd4e2cd76cb8d5a6c6cb3d82735e96 Mon Sep 17 00:00:00 2001
From: Polaris-tl <38718927+Polaris-tl@users.noreply.github.com>
Date: Sun, 28 Jul 2024 18:22:44 +0800
Subject: [PATCH] perf(hooks): replace the ref object with a plain object
 (#15061)
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Co-authored-by: 唐铃 <ling.tang01@geely.com>
---
 packages/hooks/use-cursor/index.ts | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/packages/hooks/use-cursor/index.ts b/packages/hooks/use-cursor/index.ts
index 3cc49b4752..11f93d95ca 100644
--- a/packages/hooks/use-cursor/index.ts
+++ b/packages/hooks/use-cursor/index.ts
@@ -1,19 +1,18 @@
-import { ref } from 'vue'
-
 import type { ShallowRef } from 'vue'
 
+interface SelectionInfo {
+  selectionStart?: number
+  selectionEnd?: number
+  value?: string
+  beforeTxt?: string
+  afterTxt?: string
+}
+
 // Keep input cursor in the correct position when we use formatter.
 export function useCursor(
   input: ShallowRef<HTMLInputElement | undefined>
 ): [() => void, () => void] {
-  const selectionRef = ref<{
-    selectionStart?: number
-    selectionEnd?: number
-    value?: string
-    beforeTxt?: string
-    afterTxt?: string
-  }>()
-
+  let selectionInfo: SelectionInfo
   function recordCursor() {
     if (input.value == undefined) return
 
@@ -24,7 +23,7 @@ export function useCursor(
     const beforeTxt = value.slice(0, Math.max(0, selectionStart))
     const afterTxt = value.slice(Math.max(0, selectionEnd))
 
-    selectionRef.value = {
+    selectionInfo = {
       selectionStart,
       selectionEnd,
       value,
@@ -33,10 +32,10 @@ export function useCursor(
     }
   }
   function setCursor() {
-    if (input.value == undefined || selectionRef.value == undefined) return
+    if (input.value == undefined || selectionInfo == undefined) return
 
     const { value } = input.value
-    const { beforeTxt, afterTxt, selectionStart } = selectionRef.value
+    const { beforeTxt, afterTxt, selectionStart } = selectionInfo
 
     if (
       beforeTxt == undefined ||