Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/lapiz.rb

Instance Method Summary collapse

Instance Method Details

#flattenObject



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# File 'lib/lapiz.rb', line 16

def flatten
  new_hash = self.dup

  while new_hash.values.map(&:class).include?(Hash)
    updated_hash = {}
    new_hash.each_pair do |k,v| 
      if v.is_a?(Hash)
        v.each_pair do |ik, iv| 
          updated_hash["#{k},#{ik}"] = iv
        end
      else
        updated_hash[k.to_s] = v
      end
    end
    new_hash = updated_hash
  end

  new_hash = new_hash.to_a.map{ |e|
    if e[0].to_s.include?(",")
      main = e[0].split(",").first
      rest = e[0].split(",")[1..-1]
      rest_string = rest.map{ |r| "[#{r}]" }.join("")
      ["#{main}#{rest_string}", e[1]]
    else
      [e[0].to_s, e[1]]
    end
  }.to_h

  new_hash
end