Get a list of mechanical keyboard switches by scraping KeyBumps

switch_scraper.rb

# Full Credit to Keybumps for putting together this list
#
# This script assumes you have ruby and the bundler gem installed
#
# ruby switch_scraper.rb
#
# Will write a switches.json file that is an array of switches
# with attributes model,feel,actuation,pre-travel,total-travel,mount

require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'

  gem 'nokogiri'
end

require 'open-uri'
require 'json'

doc = Nokogiri::HTML(URI.open('https://keybumps.com/switch-list.html'))

table_headers = doc.css('table > thead > tr > th').map do |th|
  th.text.strip.downcase.gsub(' ', '_').gsub('-', '_')
end

vals = doc.css('table > tbody > tr').map do |tr|
  row_val = table_headers.each_with_index.map do |th, index|
    next '' if th.empty?

    tr.css('td').at(index).text.strip
  end.reject(&:empty?)

  table_headers.reject(&:empty?).zip(row_val).to_h
end

File.open('switches.json', 'w') do |f|
  f.write(JSON.pretty_generate(vals))
end