src/lib/hooks/useInitialNumToRender.ts


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import React from 'react'
import {Dimensions} from 'react-native'

const MIN_POST_HEIGHT = 100

export function useInitialNumToRender(minItemHeight: number = MIN_POST_HEIGHT) {
  return React.useMemo(() => {
    const screenHeight = Dimensions.get('window').height
    return Math.ceil(screenHeight / minItemHeight) + 1
  }, [minItemHeight])
}