Contents

# encoding: utf-8
class Hash
  # Convert hash to command line options
  #
  # @example Convert true value
  #
  #   hash = {
  #     opt1: true
  #   }
  #
  #   hash.to_options
  #   # => [ '--opt1']
  #
  # @example Convert false value
  #
  #   hash = {
  #     opt1: false
  #   }
  #
  #   hash.to_options
  #   # => [ '--no-opt1']
  #
  # @example Convert other values
  #
  #   hash = {
  #     opt1: 'string'
  #   }
  #
  #   hash.to_options
  #   # => [ '--opt1', 'string']
  def to_options
    each_with_object([]) do |(key, value), a|
      if value.is_a? TrueClass
        a << "--#{key}"
      elsif value.is_a? FalseClass
        a << "--no-#{key}"
      else
        a << "--#{key}"
        a << value.to_s
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
fedux_org-stdlib-0.6.40	lib/fedux_org_stdlib/core_ext/hash/options.rb