class Sass::Value::String

def sass_index_to_string_index(sass_index, name = nil)

Returns:
  • (Integer) -

Parameters:
  • sass_index (Number) --
def sass_index_to_string_index(sass_index, name = nil)
  index = sass_index.assert_number(name).assert_integer(name)
  raise Sass::ScriptError.new('String index may not be 0', name) if index.zero?
  if index.abs > text.length
    raise Sass::ScriptError.new("Invalid index #{sass_index} for a string with #{text.length} characters", name)
  end
  index.negative? ? text.length + index : index - 1
end