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Only use Slate Provider's value prop as initial state #4540

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Oct 12, 2021
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5 changes: 5 additions & 0 deletions .changeset/lovely-goats-argue.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
'slate-react': minor
---

The Slate Provider's "value" prop is now only used as initial state for editor.children as was intended before. If your code relies on replacing editor.children you should do so by replacing it directly instead of relying on the "value" prop to do this for you.
10 changes: 5 additions & 5 deletions packages/slate-react/src/components/slate.tsx
Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,8 @@ export const Slate = (props: {
onChange: (value: Descendant[]) => void
}) => {
const { editor, children, onChange, value, ...rest } = props
const [key, setKey] = useState(0)
const context: [ReactEditor] = useMemo(() => {

const [context, setContext] = React.useState<[ReactEditor]>(() => {
if (!Node.isNodeList(value)) {
throw new Error(
`[Slate] value is invalid! Expected a list of elements` +
Expand All @@ -35,12 +35,12 @@ export const Slate = (props: {
editor.children = value
Object.assign(editor, rest)
return [editor]
}, [key, value, ...Object.values(rest)])
})

const onContextChange = useCallback(() => {
onChange(editor.children)
setKey(key + 1)
}, [key, onChange])
setContext([editor])
}, [onChange])

EDITOR_TO_ON_CHANGE.set(editor, onContextChange)

Expand Down