From 2f77a73dfe7e44a21fb7d7463036212621713324 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B7=AF=E6=8C=AF=E5=87=AF?= <l>
Date: Tue, 23 Dec 2025 09:56:27 +0800
Subject: [PATCH 1/2] fix: prevent page scroll when switching images with
 keyboard

---
 src/Preview/index.tsx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Preview/index.tsx b/src/Preview/index.tsx
index 2aab1c8..f694ba4 100644
--- a/src/Preview/index.tsx
+++ b/src/Preview/index.tsx
@@ -333,13 +333,16 @@ const Preview: React.FC<PreviewProps> = props => {
       const { keyCode } = event;
 
       if (keyCode === KeyCode.ESC) {
+        event.preventDefault();
         onClose?.();
       }
 
       if (showLeftOrRightSwitches) {
         if (keyCode === KeyCode.LEFT) {
+          event.preventDefault();
           onActive(-1);
         } else if (keyCode === KeyCode.RIGHT) {
+          event.preventDefault();
           onActive(1);
         }
       }

From 1885625bfe94472170d8a454edfe09f79f58faf9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B7=AF=E6=8C=AF=E5=87=AF?= <l>
Date: Tue, 23 Dec 2025 12:03:19 +0800
Subject: [PATCH 2/2] refactor onKeyDown

---
 src/Preview/index.tsx | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/Preview/index.tsx b/src/Preview/index.tsx
index f694ba4..67e3df8 100644
--- a/src/Preview/index.tsx
+++ b/src/Preview/index.tsx
@@ -332,19 +332,20 @@ const Preview: React.FC<PreviewProps> = props => {
     if (open) {
       const { keyCode } = event;
 
-      if (keyCode === KeyCode.ESC) {
-        event.preventDefault();
-        onClose?.();
-      }
-
-      if (showLeftOrRightSwitches) {
-        if (keyCode === KeyCode.LEFT) {
+      switch (keyCode) {
+        case KeyCode.ESC:
           event.preventDefault();
-          onActive(-1);
-        } else if (keyCode === KeyCode.RIGHT) {
-          event.preventDefault();
-          onActive(1);
-        }
+          onClose?.();
+          break;
+        case KeyCode.LEFT:
+        case KeyCode.RIGHT:
+          if (showLeftOrRightSwitches) {
+            event.preventDefault();
+            onActive(keyCode === KeyCode.LEFT ? -1 : 1);
+          }
+          break;
+        default:
+          break;
       }
     }
   });