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2 changes: 1 addition & 1 deletion docs/en/installation.md
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ function Page() {
mutationFn: () => Promise.resolve(),
optimisticUpdateOptions: {
queryKey: ["todos"],
optimisticUpdatesFn: ({ prevQueryData, variables }: { prevQueryData: Todo[]; variables: Todo }) => {
getOptimisticState: ({ prevQueryData, variables }: { prevQueryData: Todo[]; variables: Todo }) => {
return [...prevQueryData, variables];
},
invalidateQueryOnSuccess: true
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4 changes: 2 additions & 2 deletions docs/en/react/useOptimisticMutation.md
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ const {
mutationFn: addTodo,
optimisticUpdateOptions: {
queryKey: ["todos"],
optimisticUpdatesFn: ({ prevQueryData, variables }) => {
getOptimisticState: ({ prevQueryData, variables }) => {
return [...prevQueryData, variables];
},
invalidateQueryOnSuccess: true
Expand All @@ -43,7 +43,7 @@ This parameter extends the original UseMutationOptions. All original options are
- Defaults to `false`
- Whether to invalidate the query after a successful mutation
- If set to `true`, the query will fetch if the data is stale.
- `optimisticUpdatesFn: { prevQueryData: TQueryData; variables: TVariables }) => TQueryData;`
- `getOptimisticState: { prevQueryData: TQueryData; variables: TVariables }) => TQueryData;`
- This function returns the state for optimistic updates.

## queryClient
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