module HashWithPatchMerge

Public Instance Methods

patch_merge(other_hash, &block) click to toggle source

# File lib/knod/patch_merge.rb, line 3
def patch_merge(other_hash, &block)
  dup.patch_merge!(other_hash, &block)
end

patch_merge!(other_hash, &block) click to toggle source

# File lib/knod/patch_merge.rb, line 7
def patch_merge!(other_hash, &block)
  other_hash.each_pair do |k, v|
    tv = self[k]
    if tv.is_a?(Hash) && v.is_a?(Hash)
      self[k] = tv.patch_merge(v, &block)
    else
      self[k] = block && tv ? block.call(k, tv, v) : v
      delete(k) if self[k].nil?
    end
  end
  self
end