From bf0f655c725d9ce420839d3e0a0b5999860949dc Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@youzan.com>
Date: Tue, 7 Jul 2020 17:07:33 +0800
Subject: [PATCH] types(ImagePreview): swipeTo should be optional (#6727)

---
 types/image-preview.d.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/types/image-preview.d.ts b/types/image-preview.d.ts
index 4792825b0..01a209c91 100644
--- a/types/image-preview.d.ts
+++ b/types/image-preview.d.ts
@@ -20,9 +20,9 @@ export type ImagePreviewOptions =
       closeOnPopstate?: boolean;
       closeIconPosition?: string;
       getContainer?: string | (() => Element);
-      onClose?: () => void;
-      onChange?: (index: number) => void;
-      swipeTo(index: number, options?: SwipeToOptions): void;
+      onClose?(): void;
+      onChange?(index: number): void;
+      swipeTo?(index: number, options?: SwipeToOptions): void;
     };
 
 export class VanImagePreview extends VanPopupMixin {