feat(Dialog): add destroyOnClose prop to control content destruction on close (#13382)

packages/vant/src/dialog/Dialog.tsx

@@ -63,6 +63,7 @@ export const dialogProps = extend({}, popupSharedProps, {
   showConfirmButton: truthProp,
   closeOnClickOverlay: Boolean,
   keyboardEnabled: truthProp,
+  destroyOnClose: Boolean,
 });
 
 export type DialogProps = ExtractPropTypes<typeof dialogProps>;
@@ -71,6 +72,7 @@ const popupInheritKeys = [
   ...popupSharedPropKeys,
   'transition',
   'closeOnPopstate',
+  'destroyOnClose',
 ] as const;
 
 export default defineComponent({

packages/vant/src/dialog/README.md

@@ -172,6 +172,7 @@ Vant exports following Dialog utility functions:
 | confirmButtonText | Confirm button text | _string_ | `Confirm` |
 | confirmButtonColor | Confirm button color | _string_ | `#ee0a24` |
 | confirmButtonDisabled | Whether to disable confirm button | _boolean_ | `false` |
+| destroyOnClose `v4.9.18` | Whether to destroy content when closed | _boolean_ | `false` |
 | overlay | Whether to show overlay | _boolean_ | `true` |
 | overlayClass | Custom overlay class | _string \| Array \| object_ | - |
 | overlayStyle | Custom overlay style | _object_ | - |
@@ -202,6 +203,7 @@ Vant exports following Dialog utility functions:
 | confirm-button-text | Confirm button text | _string_ | `Confirm` |
 | confirm-button-color | Confirm button color | _string_ | `#ee0a24` |
 | confirm-button-disabled | Whether to disable confirm button | _boolean_ | `false` |
+| destroy-on-close `v4.9.18` | Whether to destroy content when closed | _boolean_ | `false` |
 | z-index | Set the z-index to a fixed value | _number \| string_ | `2000+` |
 | overlay | Whether to show overlay | _boolean_ | `true` |
 | overlay-class | Custom overlay class | _string_ | - |

packages/vant/src/dialog/README.zh-CN.md

@@ -172,6 +172,7 @@ Vant 中导出了以下 Dialog 相关的辅助函数：
 | cancelButtonText | 取消按钮文案 | _string_ | `取消` |
 | cancelButtonColor | 取消按钮颜色 | _string_ | `black` |
 | cancelButtonDisabled | 是否禁用取消按钮 | _boolean_ | `false` |
+| destroyOnClose `v4.9.18` | 是否在关闭时销毁内容 | _boolean_ | `false` |
 | overlay | 是否展示遮罩层 | _boolean_ | `true` |
 | overlayClass | 自定义遮罩层类名 | _string \| Array \| object_ | - |
 | overlayStyle | 自定义遮罩层样式 | _object_ | - |
@@ -204,6 +205,7 @@ Vant 中导出了以下 Dialog 相关的辅助函数：
 | cancel-button-text | 取消按钮文案 | _string_ | `取消` |
 | cancel-button-color | 取消按钮颜色 | _string_ | `black` |
 | cancel-button-disabled | 是否禁用取消按钮 | _boolean_ | `false` |
+| destroy-on-close `v4.9.18` | 是否在关闭时销毁内容 | _boolean_ | `false` |
 | z-index | 将弹窗的 z-index 层级设置为一个固定值 | _number \| string_ | `2000+` |
 | overlay | 是否展示遮罩层 | _boolean_ | `true` |
 | overlay-class | 自定义遮罩层类名 | _string_ | - |

packages/vant/src/dialog/function-call.tsx

@@ -31,6 +31,7 @@ const DEFAULT_OPTIONS = {
   showCancelButton: false,
   closeOnPopstate: true,
   closeOnClickOverlay: false,
+  destroyOnClose: false,
 } as const;
 
 let currentOptions = extend({}, DEFAULT_OPTIONS);