in tanstack query, how do I find if a mutation has already run once?

Same as title.

8 Replies

fair-roseOP•12mo ago

or do i have to use something like onSuccess and update another state?

exotic-emerald•12mo ago

Would this suffice for your needs? https://tanstack.com/query/latest/docs/framework/react/reference/useMutationState

useMutationState | TanStack Query React Docs

useMutationState is a hook that gives you access to all mutations in the MutationCache. You can pass filters to it to narrow down your mutations, and select to transform the mutation state. Example 1: Get all variables of all running mutations

fair-roseOP•12mo ago

Yep it is. Another question: is it possible for a use query to disable itself? Use case: I deploy a background job on page load and then use query with a small refetchInterval to monitor job's status. When the job is completed, I want to disable the query

typical-coral•12mo ago

you want refetchInterval to be a function

fair-roseOP•12mo ago

What needs to be returned from the function to disable it? false?

typical-coral•12mo ago

yes

fair-roseOP•12mo ago

How do i extract data from Query type?

metropolitan-bronze•12mo ago

I use a helper type for this:

export type UseQueryData<T extends (...args: any) => ReturnType<typeof useQuery>> = T extends (
  ...args: any
) => ReturnType<typeof useQuery<unknown, unknown, infer Data>>
  ? Data
  : never;

export type UseQueryData<T extends (...args: any) => ReturnType<typeof useQuery>> = T extends (
  ...args: any
) => ReturnType<typeof useQuery<unknown, unknown, infer Data>>
  ? Data
  : never;

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in tanstack query, how do I find if a mutation has already run once?

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