Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/nike/core_ext/hash.rb

Instance Method Summary collapse

Instance Method Details

#deep_merge(other_hash) ⇒ Object 



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# File 'lib/nike/core_ext/hash.rb', line 3

def deep_merge(other_hash)
  dup.deep_merge!(other_hash)
end

#deep_merge!(other_hash) ⇒ Object 



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# File 'lib/nike/core_ext/hash.rb', line 7

def deep_merge!(other_hash)
  other_hash.each_pair do |k,v|
    tv = self[k]
    self[k] = \
      if tv.is_a?(Hash) && v.is_a?(Hash) 
        tv.deep_merge(v)
      elsif tv.is_a?(Array) && v.is_a?(Array)  
        tv + v
      else v
      end
  end
  self
end

#underscore_keys ⇒ Object 



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# File 'lib/nike/core_ext/hash.rb', line 21

def underscore_keys
  self.inject({}) do |h, (k,v)|
    h[k.to_s.underscore] = \
      case v
      when Hash
        v.underscore_keys
      when Array
        v.map { |i| i.is_a?(Hash) ? i.underscore_keys : i }
      else v
      end; h
  end
end