diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.new.js b/packages/react-reconciler/src/ReactFiberCommitWork.new.js
index f3fa8fbb21..0b885bf134 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.new.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.new.js
@@ -2869,7 +2869,6 @@ function commitMutationEffectsOnFiber(
if (flags & Visibility) {
const offscreenInstance: OffscreenInstance = finishedWork.stateNode;
- const offscreenBoundary: Fiber = finishedWork;
// Track the current state on the Offscreen instance so we can
// read it during an event
@@ -2880,11 +2879,16 @@ function commitMutationEffectsOnFiber(
}
if (isHidden) {
- // Check if this is an update, and the tree was previously visible.
- if (current !== null && !wasHidden) {
- if ((offscreenBoundary.mode & ConcurrentMode) !== NoMode) {
+ const isUpdate = current !== null;
+ const isAncestorOffscreenHidden = offscreenSubtreeIsHidden;
+ // Only trigger disapper layout effects if:
+ // - This is an update, not first mount.
+ // - This Offscreen was not hidden before.
+ // - No ancestor Offscreen is hidden.
+ if (isUpdate && !wasHidden && !isAncestorOffscreenHidden) {
+ if ((finishedWork.mode & ConcurrentMode) !== NoMode) {
// Disappear the layout effects of all the children
- recursivelyTraverseDisappearLayoutEffects(offscreenBoundary);
+ recursivelyTraverseDisappearLayoutEffects(finishedWork);
}
}
} else {
@@ -2897,7 +2901,7 @@ function commitMutationEffectsOnFiber(
if (supportsMutation && !isOffscreenManual(finishedWork)) {
// TODO: This needs to run whenever there's an insertion or update
// inside a hidden Offscreen tree.
- hideOrUnhideAllChildren(offscreenBoundary, isHidden);
+ hideOrUnhideAllChildren(finishedWork, isHidden);
}
}
diff --git a/packages/react-reconciler/src/ReactFiberCommitWork.old.js b/packages/react-reconciler/src/ReactFiberCommitWork.old.js
index ea1ff57f3d..cbbca98212 100644
--- a/packages/react-reconciler/src/ReactFiberCommitWork.old.js
+++ b/packages/react-reconciler/src/ReactFiberCommitWork.old.js
@@ -2869,7 +2869,6 @@ function commitMutationEffectsOnFiber(
if (flags & Visibility) {
const offscreenInstance: OffscreenInstance = finishedWork.stateNode;
- const offscreenBoundary: Fiber = finishedWork;
// Track the current state on the Offscreen instance so we can
// read it during an event
@@ -2880,11 +2879,16 @@ function commitMutationEffectsOnFiber(
}
if (isHidden) {
- // Check if this is an update, and the tree was previously visible.
- if (current !== null && !wasHidden) {
- if ((offscreenBoundary.mode & ConcurrentMode) !== NoMode) {
+ const isUpdate = current !== null;
+ const isAncestorOffscreenHidden = offscreenSubtreeIsHidden;
+ // Only trigger disapper layout effects if:
+ // - This is an update, not first mount.
+ // - This Offscreen was not hidden before.
+ // - No ancestor Offscreen is hidden.
+ if (isUpdate && !wasHidden && !isAncestorOffscreenHidden) {
+ if ((finishedWork.mode & ConcurrentMode) !== NoMode) {
// Disappear the layout effects of all the children
- recursivelyTraverseDisappearLayoutEffects(offscreenBoundary);
+ recursivelyTraverseDisappearLayoutEffects(finishedWork);
}
}
} else {
@@ -2897,7 +2901,7 @@ function commitMutationEffectsOnFiber(
if (supportsMutation && !isOffscreenManual(finishedWork)) {
// TODO: This needs to run whenever there's an insertion or update
// inside a hidden Offscreen tree.
- hideOrUnhideAllChildren(offscreenBoundary, isHidden);
+ hideOrUnhideAllChildren(finishedWork, isHidden);
}
}
diff --git a/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js b/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js
index f7ca087088..417f851ad4 100644
--- a/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js
+++ b/packages/react-reconciler/src/__tests__/ReactOffscreen-test.js
@@ -281,13 +281,21 @@ describe('ReactOffscreen', () => {
componentWillUnmount() {
Scheduler.unstable_yieldValue('componentWillUnmount');
}
+
+ componentDidMount() {
+ Scheduler.unstable_yieldValue('componentDidMount');
+ }
}
+ let _setIsVisible;
+ let isFirstRender = true;
+
function App() {
const [isVisible, setIsVisible] = React.useState(true);
-
- if (isVisible === true) {
+ _setIsVisible = setIsVisible;
+ if (isFirstRender === true) {
setIsVisible(false);
+ isFirstRender = false;
}
return (
@@ -303,7 +311,23 @@ describe('ReactOffscreen', () => {
await act(async () => {
root.render();
});
+
+ expect(Scheduler).toHaveYielded(['Child']);
+ expect(root).toMatchRenderedOutput();
+
+ await act(async () => {
+ _setIsVisible(true);
+ });
+
+ expect(Scheduler).toHaveYielded(['Child']);
+ expect(root).toMatchRenderedOutput();
+
+ await act(async () => {
+ _setIsVisible(false);
+ });
+
expect(Scheduler).toHaveYielded(['Child']);
+ expect(root).toMatchRenderedOutput();
});
// @gate enableOffscreen