From a52a02f43fdf73d8aaad99c9cafed07f12ee422a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=BF=9C=E6=96=B9os?= <yangpanteng@gmail.com>
Date: Fri, 31 May 2024 21:05:41 +0800
Subject: [PATCH] fix(v-model): fix the lazy modifier is not reset by other
 modifications (#8547)

close #8546
close #6564
close #6773
---
 packages/runtime-dom/src/directives/vModel.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/packages/runtime-dom/src/directives/vModel.ts b/packages/runtime-dom/src/directives/vModel.ts
index b0ea41728..95685540a 100644
--- a/packages/runtime-dom/src/directives/vModel.ts
+++ b/packages/runtime-dom/src/directives/vModel.ts
@@ -82,7 +82,11 @@ export const vModelText: ModelDirective<
   mounted(el, { value }) {
     el.value = value == null ? '' : value
   },
-  beforeUpdate(el, { value, modifiers: { lazy, trim, number } }, vnode) {
+  beforeUpdate(
+    el,
+    { value, oldValue, modifiers: { lazy, trim, number } },
+    vnode
+  ) {
     el[assignKey] = getModelAssigner(vnode)
     // avoid clearing unresolved text. #2302
     if ((el as any).composing) return
@@ -97,7 +101,8 @@ export const vModelText: ModelDirective<
     }
 
     if (document.activeElement === el && el.type !== 'range') {
-      if (lazy) {
+      // #8546
+      if (lazy && value === oldValue) {
         return
       }
       if (trim && el.value.trim() === newValue) {