Fix: Edit history modal crash (#10834)

* failing test * handle nodes without children in messagediffutils
2023-05-11 22:21:02 +12:00
parent eac548c25a
commit 41c96877d3
3 changed files with 36 additions and 2 deletions
--- a/src/utils/MessageDiffUtils.tsx
+++ b/src/utils/MessageDiffUtils.tsx
@@ -104,8 +104,10 @@ function diffTreeToDOM(desc: Text | HTMLElement): Node {
        for (const [key, value] of Object.entries(desc.attributes)) {
            node.setAttribute(key, value.value);
        }
-        for (const childDesc of desc.childNodes) {
-            node.appendChild(diffTreeToDOM(childDesc as Text | HTMLElement));
+        if (desc.childNodes) {
+            for (const childDesc of desc.childNodes) {
+                node.appendChild(diffTreeToDOM(childDesc as Text | HTMLElement));
+            }
        }
        return node;
    }