From fbbfae2d2949cd1a46d06c55a85599e2f71b9247 Mon Sep 17 00:00:00 2001
From: Karl Seguin <k@openmymind.io>
Date: Mon, 14 Sep 2026 17:23:13 +0800
Subject: [PATCH] assert node has a non-null document

---
 src/browser/webapi/Node.zig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/browser/webapi/Node.zig b/src/browser/webapi/Node.zig
index 2fd8ec394..2bf956a60 100644
--- a/src/browser/webapi/Node.zig
+++ b/src/browser/webapi/Node.zig
@@ -723,7 +723,9 @@ pub fn getDocument(self: *const Node, frame: *const Frame) *Document {
     if (self._type == .document) {
         return self.subtype(Document);
     }
-    return self.ownerDocument(frame).?;
+    const doc = self.ownerDocument(frame);
+    lp.assert(doc != null, "null node document", .{ .type = self.getNodeType() });
+    return doc.?;
 }
 
 // Returns the Frame that owns this node's tree, or null when the node's