# File lib/compass/sass_extensions/functions/lists.rb, line 4 def blank(obj) case obj when Sass::Script::Bool Sass::Script::Bool.new !obj.to_bool when Sass::Script::String Sass::Script::Bool.new obj.value.strip.size == 0 when Sass::Script::List Sass::Script::Bool.new obj.value.size == 0 || obj.value.all?{|el| blank(el).to_bool} else Sass::Script::Bool.new false end end