Module: Readthis::Expanders

Defined in:
lib/readthis/expanders.rb

Class Method Summary collapse

Class Method Details

.expand(key, namespace = nil) ⇒ Object 



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# File 'lib/readthis/expanders.rb', line 3

def self.expand(key, namespace = nil)
  expanded =
    if key.respond_to?(:cache_key)
      key.cache_key
    elsif key.is_a?(Array)
      key.flat_map { |elem| expand(elem) }.join('/')
    elsif key.is_a?(Hash)
      key.sort_by { |key, _| key.to_s }.map { |key, val| "#{key}=#{val}" }.join('/')
    elsif key.respond_to?(:to_param)
      key.to_param
    else
      key
    end

  namespace ? "#{namespace}:#{expanded}" : expanded
end