gistfile1.rb

require 'nokogiri'
require 'open-uri'
require 'pry'

module Scraper
  module_function

  def fetch_frontpage(frontpage)
    raw = URI.read(frontpage)
    parsed = Nokogiri::HTML(raw)

    target = parsed.css('a.titlelink')

    links = target.map do |link|
      link.attribute('href').value
    end

    create_posts(links)
  end

  def create_posts(links)
    links.map do |post|
      puts post

      raw = URI.read(post)
      parsed = Nokogiri::HTML(raw)

      p parsed
    end
  end
end

Scraper.fetch_frontpage('https://news.ycombinator.com')