refactor a huge 'functions' javascript file into separate files

javascript_refactor.rb

current_class = nil
classes = open(ARGV[0]).read.split("\n").inject({}) do |classes, line|
  if line =~ /^var (\w+) = function.*/
    current_class = $1
  elsif line =~ /^[\s\t]*$/
    skip = true
  end
  (classes[current_class] ||= []) << line unless skip
  classes
end
`mkdir -p javascript_refactoring`
def klass_to_fn klass
  klass.gsub(/[a-z]?[A-Z]/) {|c| c =~ /^[a-z]/ ? c[0,1] + '_' + c[1,1].downcase : c.downcase}
end
classes.each_pair do |klass, code|
  File.open("javascript_refactoring/#{klass_to_fn(klass)}.js",'w+') do |io|
    io << code.join("\n")
  end
end