class Phlex::Tag

def build_attributes
  @attributes
    .transform_values { _1.join(SPACE) }
    .map { |k, v| "#{k}=\"#{v}\"" }
end

def call
  raise NoMethodError
end

def initialize(**attributes)
  @attributes = attributes
    .transform_values { _1.split(SPACE) if _1.is_a?(String) }
end

def meta_data
  ([self.class.value] + build_attributes).join(SPACE)
end

def value
  name.split(NAMESPACE_DELINEATOR).last.downcase
end