Contents

class Hash
  # deep_merge from rails
  # activesupport/lib/active_support/core_ext/hash/deep_merge.rb
  # Returns a new hash with +self+ and +other_hash+ merged recursively.
  #
  #     h1 = {x: {y: [4,5,6]}, z: [7,8,9]}
  #     h2 = {x: {y: [7,8,9]}, z: "xyz"}
  #
  #     h1.deep_merge(h2) #=> { x: {y: [7, 8, 9]}, z: "xyz" }
  #     h2.deep_merge(h1) #=> { x: {y: [4, 5, 6]}, z: [7, 8, 9] }
  def deep_merge(other_hash)
    dup.deep_merge!(other_hash)
  end

  # Same as +deep_merge+, but modifies +self+.
  def deep_merge!(other_hash)
    other_hash.each_pair do |k, v|
      tv = self[k]
      self[k] = tv.is_a?(Hash) && v.is_a?(Hash) ? tv.deep_merge(v) : v
    end
    self
  end
end

Version data entries

5 entries across 5 versions & 2 rubygems

Version	Path
grape-security-0.8.0	lib/grape/util/deep_merge.rb
grape-0.9.0	lib/grape/util/deep_merge.rb
grape-0.8.0	lib/grape/util/deep_merge.rb
grape-0.7.0	lib/grape/util/deep_merge.rb
grape-0.6.1	lib/grape/util/deep_merge.rb