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Initial implementation of useSWRList #2047

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Initial implementation of useSWRList #2047

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2 changes: 2 additions & 0 deletions _internal/index.ts
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Expand Up @@ -23,3 +23,5 @@ export { withMiddleware } from './utils/with-middleware'
export { preload } from './utils/preload'

export * from './types'

export const WITH_DEDUPE = { dedupe: true }
12 changes: 12 additions & 0 deletions _internal/types.ts
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Expand Up @@ -278,3 +278,15 @@ export interface StateDependencies {
isValidating?: boolean
isLoading?: boolean
}

export type DefinitelyTruthy<T> = false extends T
? never
: 0 extends T
? never
: '' extends T
? never
: null extends T
? never
: undefined extends T
? never
: T
18 changes: 3 additions & 15 deletions core/use-swr.ts
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Expand Up @@ -31,23 +31,11 @@ import {
SWRConfiguration,
SWRHook,
RevalidateEvent,
StateDependencies
StateDependencies,
DefinitelyTruthy,
WITH_DEDUPE
} from 'swr/_internal'

const WITH_DEDUPE = { dedupe: true }

type DefinitelyTruthy<T> = false extends T
? never
: 0 extends T
? never
: '' extends T
? never
: null extends T
? never
: undefined extends T
? never
: T

export const useSWRHandler = <Data = any, Error = any>(
_key: Key,
fetcher: Fetcher<Data> | null,
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