module Primer::Forms::Utils

def classify(options)


so the options hash can be easily passed to Rails form builder methods.
3. Combines options[:class] and options[:classes] into options[:class]
is expected by Rails/HTML while the second is specific to Primer.
2. Runs classify on both options[:class] and options[:classes]. The first
1. Runs Primer's classify routine to convert entries like mb: 1 to mb-1.

This method does the following: 
def classify(options)
  options[:classes] = class_names(options.delete(:class), options[:classes])
  options.merge!(Primer::Classify.call(options))
  options.except!(*PRIMER_UTILITY_KEYS)
  options[:class] = class_names(options[:class], options.delete(:classes))
  options
end

def const_source_location(class_name)

public API to map constants to source files.
conventions, so it should work ok. Zeitwerk also has this information but lacks a
for the file in the configured autoload paths. Doing so relies on Rails' autoloading
Ruby's native Module.const_source_location. Instead we have to fudge it by searching
Unfortunately this bug (https://github.com/ruby/ruby/pull/5646) prevents us from using 
def const_source_location(class_name)
  return nil unless class_name
  # NOTE: underscore respects namespacing, i.e. will convert Foo::Bar to foo/bar.
  class_path = "#{class_name.underscore}.rb"
  ActiveSupport::Dependencies.autoload_paths.each do |autoload_path|
    absolute_path = File.join(autoload_path, class_path)
    return absolute_path if File.exist?(absolute_path)
  end
  nil
end