Method: Elastictastic::Util#deep_merge

Defined in:
lib/elastictastic/util.rb

#deep_merge(l, r) ⇒ Object 



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# File 'lib/elastictastic/util.rb', line 13

def deep_merge(l, r)
  if l.nil? then r
  elsif r.nil? then l
  elsif Hash === l && Hash === r
    {}.tap do |merged|
      (l.keys | r.keys).each do |key|
        merged[key] = deep_merge(l[key], r[key])
      end
    end
  elsif Array === l && Array === r then l + r
  elsif Array === l then l + [r]
  elsif Array === r then [l] + r
  else [l, r]
  end
end