FPagination.js

    show() {
      const base = this.localCurrentPage
      const max = this.max

      const factor = Math.ceil(max / 2)
      const pgFrom = (base - factor) || 1
      const pgTo = base <= this.totalPages ? base + factor : this.totalPages

      const result = Array.from({ length: max }, (e, i) =>
        pgFrom + max > this.totalPages
          ? (this.totalPages + 1) - (max - i)
          : pgFrom < 0 ? i + 1 : pgFrom + i)
      
      return result
    }