Contents

# encoding: utf-8

module ServiceObjects

  # Utilitites for ServiceObjects module
  module Utils

    # Constructor of hash with keys, symbolized at any level
    #
    # @example
    #   NormalHash.from { "foo" => "bar", "bar" => { "baz", "bar" => "baz" } }
    #   # => { foo: "baz", bar: { "baz", bar: "baz" } }
    #
    # @api private
    module NormalHash

      # Recursively symbolizes keys of hash at any level
      #
      # @param [Hash] hash
      #
      # @return [Hash]
      def self.from(hash)
        return {} unless hash.is_a? Hash

        hash.inject({}) do |out, (key, val)|
          out.merge(key.to_sym => (val.is_a?(Hash) ? from(val) : val))
        end
      end

    end # class NormalHash

  end # module Utils

end # module ServiceObjects

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
service_objects-0.1.0	lib/service_objects/utils/normal_hash.rb
service_objects-0.0.2	lib/service_objects/utils/normal_hash.rb
service_objects-0.0.1	lib/service_objects/utils/normal_hash.rb