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import { useQuery } from '@tanstack/react-query'
import { api } from '@/lib/queryClient'
/**
* Query key for user identity
*/
export const identityKeys = {
all: ['identity'] as const,
id: () => [...identityKeys.all, 'id'] as const,
}
/**
* Fetch the current user's stable database user.id
*/
async function fetchUserId(): Promise<string | null> {
try {
const res = await api('identity')
if (!res.ok) return null
const data = await res.json()
return data.userId
} catch {
return null
}
}
/**
* Hook: Get the current user's stable database user.id
*
* Returns the database user.id for both authenticated users and guests.
* Returns null if no valid session exists.
*/
export function useUserId() {
return useQuery({
queryKey: identityKeys.id(),
queryFn: fetchUserId,
staleTime: 5 * 60 * 1000, // 5 minutes
retry: false,
})
}
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