sachin21/space2underscore

# frozen_string_literal: true

module Space2underscore
  class Underscore
    def initialize(sentence)
      @sentence = sentence
    end

    def convert
      if @sentence.length == 1
        @sentence[0].strip.gsub(/\s/, '_')
      else
        @sentence.join('_')
      end
    end
  end
end