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mutationOptions helps extracting mutation options into separate functions.

@github-actions github-actions bot added documentation Improvements or additions to documentation package: react-query labels Apr 6, 2025
@Ubinquitous Ubinquitous force-pushed the feature/react-query-mutation-options branch from 5e14207 to 596896d Compare April 6, 2025 10:23
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☁️ Nx Cloud last updated this comment at 2025-05-09 08:26:19 UTC

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commit: 299a19f

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sorry but it seems like you’ve copy-pasted queryOptions and replaced the word query with the word mutation :/

your starting point should’ve been useMutation, not queryOptions

TData,
TMutationKey
>['mutationFn'],
SkipToken | undefined
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skipToken is specific to queries. This isn’t needed.

UseMutationOptions<TMutationFnData, TError, TData, TMutationKey>,
'mutationFn'
> & {
initialData:
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there is no initialData for mutations

TMutationKey
>,
): DefinedInitialDataOptions<TMutationFnData, TError, TData, TMutationKey> & {
mutationKey: DataTag<TMutationKey, TMutationFnData, TError>
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we also don’t need a DataTag, this is query specific.

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codecov bot commented May 1, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.30%. Comparing base (57251a4) to head (299a19f).

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@@             Coverage Diff             @@
##             main    #8960       +/-   ##
===========================================
+ Coverage   44.60%   84.30%   +39.70%     
===========================================
  Files         207       27      -180     
  Lines        8167      376     -7791     
  Branches     1828      110     -1718     
===========================================
- Hits         3643      317     -3326     
+ Misses       4081       50     -4031     
+ Partials      443        9      -434     
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@tanstack/angular-query-devtools-experimental ∅ <ø> (∅)
@tanstack/angular-query-experimental ∅ <ø> (∅)
@tanstack/eslint-plugin-query ∅ <ø> (∅)
@tanstack/query-async-storage-persister ∅ <ø> (∅)
@tanstack/query-broadcast-client-experimental ∅ <ø> (∅)
@tanstack/query-codemods ∅ <ø> (∅)
@tanstack/query-core ∅ <ø> (∅)
@tanstack/query-devtools ∅ <ø> (∅)
@tanstack/query-persist-client-core ∅ <ø> (∅)
@tanstack/query-sync-storage-persister ∅ <ø> (∅)
@tanstack/query-test-utils ∅ <ø> (∅)
@tanstack/react-query 95.45% <100.00%> (+0.02%) ⬆️
@tanstack/react-query-devtools 10.00% <ø> (ø)
@tanstack/react-query-next-experimental ∅ <ø> (∅)
@tanstack/react-query-persist-client 100.00% <ø> (ø)
@tanstack/solid-query ∅ <ø> (∅)
@tanstack/solid-query-devtools ∅ <ø> (∅)
@tanstack/solid-query-persist-client ∅ <ø> (∅)
@tanstack/svelte-query ∅ <ø> (∅)
@tanstack/svelte-query-devtools ∅ <ø> (∅)
@tanstack/svelte-query-persist-client ∅ <ø> (∅)
@tanstack/vue-query ∅ <ø> (∅)
@tanstack/vue-query-devtools ∅ <ø> (∅)
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@Ubinquitous
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Thank you for reviewing my PR. I thought queryOptions and mutationOptions could be structured similarly since it was an options-related function. I re-created useMutation as start. I changed it to only have UseMutationOptions, excluding unnecessary data tags and initialData.

options: UseMutationOptions<TData, TError, TVariables, TContext>,
): UseMutationOptions<TData, TError, TVariables, TContext>

export function mutationOptions(options: unknown) {
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if there’s only declaration, we don’t need overloads

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Thank you, I changed it to a non-overloaded function.

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manudeli commented May 1, 2025

I merged #9094 to resolve below ci failure because of flaky timer tests

image

Comment on lines 247 to 257
function useGroupPostMutation() {
const queryClient = useQueryClient()

return mutationOptions({
mutationKey: ['groups'],
mutationFn: executeGroups,
onSuccess: () => {
queryClient.invalidateQueries({ queryKey: ['posts'] })
},
})
}
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It might be worth highlighting in the documentation that mutationOptions can be reused across different interfaces—such as useMutation, useIsMutating, and queryClient.isMutating.

Suggested change
function useGroupPostMutation() {
const queryClient = useQueryClient()
return mutationOptions({
mutationKey: ['groups'],
mutationFn: executeGroups,
onSuccess: () => {
queryClient.invalidateQueries({ queryKey: ['posts'] })
},
})
}
function groupMutationOptions() {
return mutationOptions({
mutationKey: ['groups'],
mutationFn: addGroup,
})
}
useMutation({
...groupMutationOptions()
onSuccess: () => queryClient.invalidateQueries({ queryKey: ['groups'] })
})
useIsMutating(groupMutationOptions())
queryClient.isMutating(groupMutationOptions())

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@TkDodo, @Ubinquitous I'd like to hear your thoughts on my review

Comment on lines +1 to +13
import type { DefaultError } from '@tanstack/query-core'
import type { UseMutationOptions } from './types'

export function mutationOptions<
TData = unknown,
TError = DefaultError,
TVariables = void,
TContext = unknown,
>(
options: UseMutationOptions<TData, TError, TVariables, TContext>,
): UseMutationOptions<TData, TError, TVariables, TContext> {
return options
}
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@manudeli manudeli May 5, 2025

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If mutationOptions is intended to be reused across various TanStack React Query interfaces—such as useMutation, useIsMutating, and queryClient.isMutating—then it might make sense to make mutationKey a required field, similar to how queryOptions.queryKey is typed.

Suggested change
import type { DefaultError } from '@tanstack/query-core'
import type { UseMutationOptions } from './types'
export function mutationOptions<
TData = unknown,
TError = DefaultError,
TVariables = void,
TContext = unknown,
>(
options: UseMutationOptions<TData, TError, TVariables, TContext>,
): UseMutationOptions<TData, TError, TVariables, TContext> {
return options
}
import type { WithRequired } from 'node_modules/@tanstack/query-core/build/legacy'
import type { DefaultError } from '@tanstack/query-core'
import type { UseMutationOptions } from './types'
export function mutationOptions<
TData = unknown,
TError = DefaultError,
TVariables = void,
TContext = unknown,
>(
options: WithRequired<
UseMutationOptions<TData, TError, TVariables, TContext>,
'mutationKey'
>,
): WithRequired<
UseMutationOptions<TData, TError, TVariables, TContext>,
'mutationKey'
> {
return options
}

Making mutationKey required could help avoid situations like the following:

// Without mutationKey, it’s unavailable for useIsMutating or queryClient.isMutating
// cannot reliably identify the mutation, which may lead to unintended behavior.
function groupMutationOptions() {
  return mutationOptions({
    mutationFn: addGroup,
  });
}

useMutation({
  ...groupMutationOptions(),
  onSuccess: () => queryClient.invalidateQueries({ queryKey: ['groups'] }),
});

useIsMutating(groupMutationOptions())
// This cannot detect the isMutating state from the above hook 
// because groupMutationOptions doesn't include a mutationKey.
// but TypeScript compiler doesn't detect this as error

So in my opinion, mutationOptions's mutationKey should be required field.
Additionally, we can make it as optional field later if we need without BREAKING CHANGE.

So when we first add mutationOptions, it might be beneficial to make mutationKey a required field at first

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@Ubinquitous Ubinquitous May 5, 2025

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If mutationOptions is used not only in useMutation but also in other interfaces such as useIsMutating, I think it would be better to make it a required value.

One thing I'm concerned about is that developers who only use mutationOptions for useMutation's options might end up writing unnecessary code.

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mutationOptions is needed to be exported from src/index.ts

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manudeli commented May 6, 2025

@Ubinquitous Resolve eslint error please

@Ubinquitous
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Sorry, I fix error that 'should not allow excess properties' test don't have assertions

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