class Lono::Template::Strategy::Dsl::Builder::Squeezer

Public Class Methods

new(data) click to toggle source
# File lib/lono/template/strategy/dsl/builder/squeezer.rb, line 3
def initialize(data)
  @data = data
end

Public Instance Methods

squeeze(new_data=nil) click to toggle source
# File lib/lono/template/strategy/dsl/builder/squeezer.rb, line 7
def squeeze(new_data=nil)
  data = new_data.nil? ? @data : new_data

  case data
  when Array
    data.map! { |v| squeeze(v) }
  when Hash
    data.each_with_object({}) do |(k,v), squeezed|
      # only remove nil and empty Array values within Hash structures
      squeezed[k] = squeeze(v) unless v.nil? || v.is_a?(Array) && v.empty?
      squeezed
    end
  else
    data # do not transform
  end
end