Class: Hash

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

Instance Method Summary collapse

Instance Method Details

#deep_merge_existing_keys(other_hash, &block) ⇒ Object 



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# File 'lib/deep_merge_existing_keys/core_ext/hash.rb', line 2

def deep_merge_existing_keys(other_hash, &block)
  dup.deep_merge_existing_keys!(other_hash, &block)
end

#deep_merge_existing_keys!(other_hash, &block) ⇒ Object 



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# File 'lib/deep_merge_existing_keys/core_ext/hash.rb', line 6

def deep_merge_existing_keys!(other_hash, &block)
  other_hash.each_pair do |k,v|
    next unless self.keys.include? k

    self[k] = if self[k].is_a?(Hash) && v.is_a?(Hash)
                self[k].deep_merge_existing_keys(v, &block)
              elsif block_given?
                block.call(k, self[k], v)
              else
                v
              end
  end
  self
end