Add null check

facebook · Oct 11, 2022 · a258012 · a258012
1 parent 4083f2f
commit a258012
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/packages/react-reconciler/src/ReactFiberCompleteWork.new.js b/packages/react-reconciler/src/ReactFiberCompleteWork.new.js
@@ -429,7 +429,8 @@ if (supportsMutation) {
           child.return = node;
         }
         // If Offscreen is not in manual mode, detached tree is hidden from user space.
-        const _needsVisibilityToggle = node.memoizedProps.mode !== 'manual';
+        const _needsVisibilityToggle =
+          node.memoizedProps === null || node.memoizedProps.mode !== 'manual';
         appendAllChildrenToContainer(
           containerChildSet,
           node,

diff --git a/packages/react-reconciler/src/ReactFiberCompleteWork.old.js b/packages/react-reconciler/src/ReactFiberCompleteWork.old.js
@@ -429,7 +429,8 @@ if (supportsMutation) {
           child.return = node;
         }
         // If Offscreen is not in manual mode, detached tree is hidden from user space.
-        const _needsVisibilityToggle = node.memoizedProps.mode !== 'manual';
+        const _needsVisibilityToggle =
+          node.memoizedProps === null || node.memoizedProps.mode !== 'manual';
         appendAllChildrenToContainer(
           containerChildSet,
           node,