snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

packages/svelte-query/tests/useIsMutating/Base.svelte

@@ -0,0 +1,25 @@
+<script lang="ts">
+  import type { QueryClient } from '@tanstack/query-core'
+  import { queryKey, sleep } from '@tanstack/query-test-utils'
+  import { setQueryClientContext } from '../../src/context.js'
+  import { createMutation, useIsMutating } from '../../src/index.js'
+
+  type Props = {
+    queryClient: QueryClient
+  }
+
+  let { queryClient }: Props = $props()
+
+  setQueryClientContext(queryClient)
+
+  const mutation = createMutation(() => ({
+    mutationKey: queryKey(),
+    mutationFn: () => sleep(10).then(() => 'data'),
+  }))
+
+  const isMutating = useIsMutating()
+</script>
+
+<button onclick={() => mutation.mutate()}>Trigger</button>
+
+<div>isMutating: {isMutating.current}</div>