✨(component): [tab]添加 activeBarTransition 属性

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` : "",
   };
 };
 

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`|
 
 :::