'paginationRange.length' is possibly 'undefined'.ts(18048)

error

'paginationRange.length' is possibly 'undefined'.ts(18048)

export type IPaginate = {
    totalCount: number
    pageSize: number
    siblingCount: number
    currentPage: number
    onPageChange?: () => void
}

paginateHook.ts

export const usePagination = ({totalCount, pageSize, siblingCount = 1, currentPage}: IPaginate) => {
    // do something here
}

UsePaginate.tsx

const paginationRange = usePagination({
    currentPage,
    totalCount,
    siblingCount,
    pageSize
})

if ( currentPage === 0 || paginationRange?.length < 2){ // 'paginationRange.length' is possibly 'undefined'.ts(18048)
    return null
}