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react-native-viewport-helpers

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import * as React from 'react'; import { View } from 'react-native'; import { EffectCallback } from 'react'; /** * Hook to run when ref is in view * @param ref Ref to be in view * @param onVisible Effect to run when in view * @param dependencies Dependencies for the hook * @param delay delay to poll on, by default 500ms */ export declare function useIsInViewPortEffect(ref: React.MutableRefObject<View | HTMLDivElement | null>, onVisible?: EffectCallback, dependencies?: any[], delay?: number): boolean;