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<script lang="ts">
import { derived, writable } from 'svelte/store'
import { createQuery, keepPreviousData } from '../../src/index.js'
import { sleep } from '@tanstack/query-test-utils'
import type { QueryClient, QueryObserverResult } from '@tanstack/query-core'
import type { Writable } from 'svelte/store'
export let queryClient: QueryClient
export let states: Writable<Array<QueryObserverResult>>
const count = writable(0)
const options = derived(count, ($count) => ({
queryKey: ['test', $count],
queryFn: () => sleep(10).then(() => $count),
placeholderData: keepPreviousData,
}))
const query = createQuery(options, queryClient)
$: states.update((prev) => [...prev, $query])
</script>
<button on:click={() => ($count += 1)}>setCount</button>
<div>Status: {$query.status}</div>
<div>Data: {$query.data ?? 'undefined'}</div>
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