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import { createEffect, createMemo, createSignal, onCleanup } from 'solid-js'
import { replaceEqualDeep } from '@tanstack/query-core'
import { useQueryClient } from './QueryClientProvider'
import type {
Mutation,
MutationCache,
MutationFilters,
MutationState,
} from '@tanstack/query-core'
import type { Accessor } from 'solid-js'
import type { QueryClient } from './QueryClient'
type MutationStateOptions<TResult = MutationState> = {
filters?: MutationFilters
select?: (mutation: Mutation) => TResult
}
function getResult<TResult = MutationState>(
mutationCache: MutationCache,
options: MutationStateOptions<TResult>,
): Array<TResult> {
return mutationCache
.findAll(options.filters)
.map(
(mutation): TResult =>
(options.select ? options.select(mutation) : mutation.state) as TResult,
)
}
export function useMutationState<TResult = MutationState>(
options: Accessor<MutationStateOptions<TResult>> = () => ({}),
queryClient?: Accessor<QueryClient>,
): Accessor<Array<TResult>> {
const client = createMemo(() => useQueryClient(queryClient?.()))
const mutationCache = createMemo(() => client().getMutationCache())
const [result, setResult] = createSignal(
getResult(mutationCache(), options()),
)
createEffect(() => {
const unsubscribe = mutationCache().subscribe(() => {
const nextResult = replaceEqualDeep(
result(),
getResult(mutationCache(), options()),
)
if (result() !== nextResult) {
setResult(nextResult)
}
})
onCleanup(unsubscribe)
})
return result
}
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