Query Options

Query Options

One of the best ways to share queryKey and queryFn between multiple places, yet keep them co-located to one another, is to use the queryOptions helper. At runtime, this helper just returns whatever you pass into it, but it has a lot of advantages when using it with TypeScript. You can define all possible options for a query in one place, and you'll also get type inference and type safety for all of them.

import { queryOptions } from '@tanstack/angular-query-experimental'

groupOptions = (id: number) => {
  return () =>
    queryOptions({
      queryKey: ['groups', id],
      queryFn: () => fetchGroups(id),
      staleTime: 5 * 1000,
    })
}

// usage:

injectQuery(groupOptions(1))
injectQueries({
  queries: [groupOptions(1), groupOptions(2)],
})
queryClient.prefetchQuery(groupOptions(23))
queryClient.setQueryData(groupOptions(42).queryKey, newGroups)

import { queryOptions } from '@tanstack/angular-query-experimental'

groupOptions = (id: number) => {
  return () =>
    queryOptions({
      queryKey: ['groups', id],
      queryFn: () => fetchGroups(id),
      staleTime: 5 * 1000,
    })
}

// usage:

injectQuery(groupOptions(1))
injectQueries({
  queries: [groupOptions(1), groupOptions(2)],
})
queryClient.prefetchQuery(groupOptions(23))
queryClient.setQueryData(groupOptions(42).queryKey, newGroups)

For Infinite Queries, a separate infiniteQueryOptions helper is available.

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