class Tailwindcss::Compressor

def self.call(input)
  instance.call(input)
end

def self.instance
  @instance ||= new
end

def call(input)
  if input[:name].in?(@options[:only_purge])
    { data: Tailwindcss::Purger.purge(input[:data], keeping_class_names_from_files: @options[:files_with_class_names]) }
  else
    input[:data]
  end
end

def initialize(options = {})
  @options = { 
    files_with_class_names: Rails.root.glob("app/views/**/*.*") + Rails.root.glob("app/helpers/**/*.rb"),
    only_purge: %w[ tailwind ]
  }.merge(options).freeze
end