TanStack
API Reference

MutationObserverErrorResult

Defined in: packages/query-core/src/types.ts:2243

A mutation result in the error state after the mutation failed.

Extends

Type Parameters

TData

TData = unknown

TError

TError = DefaultError

TVariables

TVariables = void

TOnMutateResult

TOnMutateResult = unknown

Properties

PropertyTypeDescriptionOverrides
contextTOnMutateResult | undefinedThe value returned by onMutate, if defined. Passed to onSuccess, onError and onSettled as the mutation's context.-
dataundefinedundefined, since the mutation hasn't succeeded.MutationObserverBaseResult.data
errorTErrorThe error the mutation failed with.MutationObserverBaseResult.error
failureCountnumberThe number of times the mutation function has failed for the current attempt.-
failureReasonTError | nullThe reason the current attempt failed, as reported by the retryer.-
isErrortruetrue, since the mutation failed.MutationObserverBaseResult.isError
isIdlefalsefalse, since the mutation has run.MutationObserverBaseResult.isIdle
isPausedbooleanWhether the mutation is currently paused (see network mode), or is waiting for another mutation with the same scope to finish.-
isPendingfalsefalse, since the mutation isn't running.MutationObserverBaseResult.isPending
isSuccessfalsefalse, since the mutation hasn't succeeded.MutationObserverBaseResult.isSuccess
mutateMutateFunction<TData, TError, TVariables, TOnMutateResult>The mutation function you can call with variables to trigger the mutation and optionally hooks on additional callback options. Param The variables object to pass to the mutationFn. Param This function will fire when the mutation is successful and will be passed the mutation's result. Param This function will fire if the mutation encounters an error and will be passed the error. Param This function will fire when the mutation is either successfully fetched or encounters an error and be passed either the data or error. Remarks - If you make multiple requests, onSuccess will fire only after the latest call you've made. - All the callback functions (onSuccess, onError, onSettled) are void functions, and the returned value will be ignored.-
reset() => voidA function to clean the mutation internal state (i.e., it resets the mutation to its initial state).-
status"error"'error', since the mutation failed.MutationObserverBaseResult.status
submittedAtnumberThe timestamp for when the mutation was submitted.-
variablesTVariablesThe variables passed to mutate for this mutation.MutationObserverBaseResult.variables