From bad0fc386d6094e99bb629302dc821b8ec537837 Mon Sep 17 00:00:00 2001
From: Karl Seguin <k@openmymind.io>
Date: Thu, 26 Feb 2026 15:26:34 +0800
Subject: [PATCH] Don't assume that a 'keydown' event is a KeyboardEvent

---
 src/browser/Page.zig                  |  2 +-
 src/browser/tests/event/keyboard.html | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/browser/Page.zig b/src/browser/Page.zig
index 435685c7..618a3aca 100644
--- a/src/browser/Page.zig
+++ b/src/browser/Page.zig
@@ -3069,7 +3069,7 @@ pub fn triggerKeyboard(self: *Page, keyboard_event: *KeyboardEvent) !void {
 }
 
 pub fn handleKeydown(self: *Page, target: *Node, event: *Event) !void {
-    const keyboard_event = event.as(KeyboardEvent);
+    const keyboard_event = event.is(KeyboardEvent) orelse return;
     const key = keyboard_event.getKey();
 
     if (key == .Dead) {
diff --git a/src/browser/tests/event/keyboard.html b/src/browser/tests/event/keyboard.html
index b6c3ddd8..79baff7e 100644
--- a/src/browser/tests/event/keyboard.html
+++ b/src/browser/tests/event/keyboard.html
@@ -103,3 +103,16 @@
   document.dispatchEvent(new KeyboardEvent('keytest', {key: 'b'}));
   testing.expectEqual(false, keyIsTrusted);
 </script>
+
+<script id=non_keyboard_keydown>
+  // this used to crash
+  {
+    let called = false;
+    const div = document.createElement('div')
+    div.addEventListener('keydown', () => {
+      called = true;
+    });
+    div.dispatchEvent(new Event('keydown'));
+    testing.expectEqual(true, called);
+  }
+</script>