deep_find.rb

deep_find.rb

# return path for deep find in nested hashes

def deep_find(hash, term)
  paths = []
  _deep_find(hash, term, root = "", paths)
  paths
end

def _deep_find(hash, term, root, paths)
  if hash.is_a?(Hash)
    hash.each_pair do |k,v|
      _deep_find(v, term, root == "" ? "#{k}" : root + ".#{k}", paths)
    end
  elsif hash.is_a?(Array)
    hash.each_with_index do |item, index|
      _deep_find(item, term, root + "[#{index}]", paths) 
    end
  elsif hash == term
    paths << root
  end
end