class Hash

rubocop:disable Style/ClassAndModuleChildren

Public Instance Methods

deep_merge!(second) click to toggle source

# File lib/hash.rb, line 3
def deep_merge!(second)
  merger = proc do |_, v1, v2|
    if v1.is_a?(Hash) && v2.is_a?(Hash)
      v1.merge(v2, &merger)
    elsif v1.is_a?(Array) && v2.is_a?(Array)
      v1 | v2
    elsif [:undefined, nil, :nil].include?(v2)
      v1
    else
      v2
    end
  end

  self.merge!(second.to_h, &merger)
end