count_dist_bytes.rb

#!/usr/bin/env ruby

require 'fileutils'

def analyze
  Dir.glob("public/dist/**/*.{js,css}").reduce({}) do |hash, filename|
    filename =~ /public\/dist\/([^-]*)(-.{10})?\.(.*)/
    name = "#{$1}.#{$3}"
    # puts name
    hash[name] = File.new(filename).size
    hash
  end
end

def run(command)
  output = `#{command} 2>&1`
  raise output unless $?.success?
end

def analyze_for_week(week)
  FileUtils.rm_rf 'public/dist'
  run("git reset --hard")
  run("git checkout v1.17.#{week}.1")
  FileUtils.rm_rf 'node_modules'
  FileUtils.rm_rf 'facesheet/node_modules'
  run("bundle check || bundle install")
  run("yarn")
  FileUtils.cd('facesheet') do
    run("yarn && npm rebuild node-sass && bower install")
    run("ember build --output-path ../public/dist/facesheet --environment=production")
  end
  run("gulp dist")
  { week => analyze }
end

def save(analysis)
  File.open(File.expand_path('~/chirpolith_analysis.raw'), 'a') do |f|
    f.puts analysis.inspect
  end
  week = analysis.keys.first
  File.open(File.expand_path('~/chirpolith_analysis.csv'), 'a') do |f|
    values = COLUMNS.map do |column|
      analysis[week][column]
    end
    f.print "#{week}\t"
    f.puts values.join("\t")
  end
end

COLUMNS = ["javascripts/application.js", "javascripts/templates.js", "javascripts/new_task.js", "javascripts/browserify.js", "javascripts/demographics.js", "javascripts/vendor.js", "facesheet/assets/facesheet.js", "facesheet/assets/vendor.js", "stylesheets/application.css", "stylesheets/print.css", "facesheet/assets/facesheet.css", "facesheet/assets/vendor.css"]

if ARGV.length != 1
  puts "Please tell me which week to do"
  exit(1)
end

week = ARGV[0].to_i
puts "**** WEEK: #{week} *******"
analysis = analyze_for_week(week)
save(analysis)

# (1..52).each do |week|
#   puts
#   puts
#   puts
#   puts "**** WEEK: #{week} *******"
#   analysis = analyze_for_week(week)
#   save(analysis)
# end