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[DevTools][Bug] Fix Race Condition When Unmounting Fibers #24510

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Merged
merged 1 commit into from
May 6, 2022
Merged

[DevTools][Bug] Fix Race Condition When Unmounting Fibers #24510

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4 changes: 4 additions & 0 deletions packages/react-devtools-shared/src/backend/renderer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2630,6 +2630,10 @@ export function attach(
}

function handleCommitFiberUnmount(fiber) {
// Flush any pending Fibers that we are untracking before processing the new commit.
// If we don't do this, we might end up double-deleting Fibers in some cases (like Legacy Suspense).
untrackFibers();

// This is not recursive.
// We can't traverse fibers after unmounting so instead
// we rely on React telling us about each unmount.
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