mutationFn needs access to a hook

I'm a huge fan of Dominik's post "Leveraging the Query Function Context" (https://tkdodo.eu/blog/leveraging-the-query-function-context) (well, and all of the other ones).

I really enjoy defining the query functions separately from the hook as shown in the post. However, when the queryFn or mutationFn depends on another hook, I've had to inline the functions as below:

export const myCustomHook = () => {
  const otherHook = useOtherHook();

  return useMutation({
    mutationFn: () => {
      return otherHook.somePromiseThing();
    }
  })
}

export const myCustomHook = () => {
  const otherHook = useOtherHook();

  return useMutation({
    mutationFn: () => {
      return otherHook.somePromiseThing();
    }
  })
}

I feel like this pattern sucks and I'm not sure if it's because I am abusing hooks or overlooking an obvious alternative.

Can anyone weigh in? Thanks

TanStack•3y ago•

1 reply

sacred-rose

mutationFn needs access to a hook

export const myCustomHook = () => {
  const otherHook = useOtherHook();

  return useMutation({
    mutationFn: () => {
      return otherHook.somePromiseThing();
    }
  })
}

export const myCustomHook = () => {
  const otherHook = useOtherHook();

  return useMutation({
    mutationFn: () => {
      return otherHook.somePromiseThing();
    }
  })
}

I feel like this pattern sucks and I'm not sure if it's because I am abusing hooks or overlooking an obvious alternative.

Can anyone weigh in? Thanks

mutationFn needs access to a hook

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