From 1438147ec36e52968a009cc53cf55b2cd95c8639 Mon Sep 17 00:00:00 2001
From: sight <1453017105@qq.com>
Date: Fri, 24 Jun 2022 16:44:26 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8(component):=20[tab]=E6=B7=BB=E5=8A=A0?=
 =?UTF-8?q?=20activeBarTransition=20=E5=B1=9E=E6=80=A7?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 package/component/src/component/tab/index.vue         | 3 ++-
 package/document/src/document/zh-CN/components/tab.md | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/component/src/component/tab/index.vue b/package/component/src/component/tab/index.vue
index f7f4c589..104a020c 100644
--- a/package/component/src/component/tab/index.vue
+++ b/package/component/src/component/tab/index.vue
@@ -33,6 +33,7 @@ export interface LayTabProps {
   tabPosition?: tabPositionType;
   beforeClose?: Function;
   beforeLeave?: Function;
+  activeBarTransition?: boolean;
 }
 
 const slot = useSlots();
@@ -109,7 +110,7 @@ const getBarStyle = () => {
   return {
     [sizeName]: `${tabSize}px`,
     transform: `translate${axis}(${offset}px)`,
-    //  transition: `transform .3s`, // activeBar 动画
+    transition: props.activeBarTransition ? `transform .3s` : "",
   };
 };
 
diff --git a/package/document/src/document/zh-CN/components/tab.md b/package/document/src/document/zh-CN/components/tab.md
index 0d72e070..af7f8234 100644
--- a/package/document/src/document/zh-CN/components/tab.md
+++ b/package/document/src/document/zh-CN/components/tab.md
@@ -330,6 +330,7 @@ export default {
 | allow-close  | 允许关闭                             | `true` `false`                            |
 | before-close | `Function`关闭之前的回调钩子函数     | 参数(`id`), `return false` 表示不进行关闭 |
 | before-leave | `Function`切换标签之前的回调钩子函数 | 参数(`id`), `return false` 表示不进行切换 |
+| activeBarTransition| 是否开启 activeBar 动画,仅 brief 有效,默认 `false`| `true` `false`|
 
 :::