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[editable] Fix Memory Leak when switching between focused editables #5542

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merged 3 commits into from
Oct 31, 2023
+21 −0
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[editable] Fix Memory Leak when switching between focused editables #5542

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5b8b945
[editable] Fix Memory Leak when switching between focused editable co…
hellsan631 Oct 27, 2023
944365d
Update editable.tsx
hellsan631 Oct 28, 2023
40aa9d4
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dylans Oct 31, 2023
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16 changes: 16 additions & 0 deletions packages/slate-react/src/components/editable.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
import React, {
useCallback,
useEffect,
useLayoutEffect,
useMemo,
useReducer,
useRef,
Expand Down Expand Up @@ -176,6 +177,21 @@
[]
)

useLayoutEffect(() => {
return () => {
if (state == null) {
return
}
// Avoid leaking DOM nodes when this component is unmounted.
if (state.latestElement != null) {
state.latestElement.remove()
}
if (state.latestElement != null) {
state.latestElement = null
}
}
}, [])

Check warning on line 193 in packages/slate-react/src/components/editable.tsx

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GitHub Actions / lint:eslint 

React Hook useLayoutEffect has a missing dependency: 'state'. Either include it or remove the dependency array

// The autoFocus TextareaHTMLAttribute doesn't do anything on a div, so it
// needs to be manually focused.
useEffect(() => {
Expand Down
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