class Hash

Public Instance Methods

deep_merge_existing_keys(other_hash, &block) click to toggle source
# 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) click to toggle source
# 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