in lib/tasks/docs.rake [442:455]
def pretty_default_value(tag, component)
params = tag.object.parameters.find { |param| [tag.name.to_s, "#{tag.name}:"].include?(param[0]) }
default = tag.defaults&.first || params&.second
return "N/A" unless default
constant_name = "#{component.name}::#{default}"
constant_value = default.safe_constantize || constant_name.safe_constantize
return pretty_value(default) if constant_value.nil?
pretty_value(constant_value)
end