diff options
Diffstat (limited to 'components/script/dom/document.rs')
| -rw-r--r-- | components/script/dom/document.rs | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs index 2ca8825808b..fef552b326b 100644 --- a/components/script/dom/document.rs +++ b/components/script/dom/document.rs @@ -560,7 +560,8 @@ impl Document { let new_dirty_root = element .upcast::<Node>() - .common_ancestor(dirty_root.upcast(), ShadowIncluding::Yes); + .common_ancestor(dirty_root.upcast(), ShadowIncluding::Yes) + .expect("Couldn't find common ancestor"); let mut has_dirty_descendants = true; for ancestor in dirty_root @@ -1515,10 +1516,12 @@ impl Document { FireMouseEventType::Enter | FireMouseEventType::Leave )); - let common_ancestor = related_target.as_ref().map_or_else( - || DomRoot::from_ref(&*event_target), - |related_target| event_target.common_ancestor(related_target, ShadowIncluding::No), - ); + let common_ancestor = match related_target.as_ref() { + Some(related_target) => event_target + .common_ancestor(related_target, ShadowIncluding::No) + .unwrap_or_else(|| DomRoot::from_ref(&*event_target)), + None => DomRoot::from_ref(&*event_target), + }; // We need to create a target chain in case the event target shares // its boundaries with its ancestors. |