feat: ActionSheet、ShareSheet add before-close prop (#9068)

src/share-sheet/README.md

@@ -183,6 +183,7 @@ export default {
 | close-on-click-overlay | Whether to close when overlay is clicked | _boolean_ | `true` |
 | safe-area-inset-bottom | Whether to enable bottom safe area adaptation | _boolean_ | `true` |
 | teleport | Specifies a target element where ShareSheet will be mounted | _string \| Element_ | - |
+| before-close `v3.1.4` | Callback function before close | _(action: string) => boolean \| Promise\<boolean\>_ | - |
 
 ### Data Structure of Option
 

src/share-sheet/README.zh-CN.md

@@ -195,6 +195,7 @@ export default {
 | close-on-click-overlay | 是否在点击遮罩层后关闭 | _boolean_ | `true` |
 | safe-area-inset-bottom | 是否开启[底部安全区适配](#/zh-CN/advanced-usage#di-bu-an-quan-qu-gua-pei) | _boolean_ | `true` |
 | teleport | 指定挂载的节点，[用法示例](#/zh-CN/popup#zhi-ding-gua-zai-wei-zhi) | _string \| Element_ | - |
+| before-close `v3.1.4` | 关闭前的回调函数，返回 `false` 可阻止关闭，支持返回 Promise | _(action: string) => boolean \| Promise\<boolean\>_ | - |
 
 ### Option 数据结构