Provides a method similar to the number_to_currency Rails helper, except that the decimal portion of the resulting formatted text is wrapped in a configurable tag (sup by default)

currency_helper.rb

#   This module provides a method similar to the number_to_currency
#   Rails helper, except that the decimal portion of the resulting
#   formatted text is wrapped in a configurable tag (sup by default)
#
#   Copyright (C) 2014 Turn4 LLC

#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.

#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.

#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.

module CurrencyHelper
  def number_to_currency_with_script(number, options = {})
    separator = options.fetch(:separator, '.')
    script = options.fetch(:script, :sup)
    amount = number_to_currency(number, options).split(separator)
    amount[-1] = content_tag(script, amount.last)
    amount.join(separator).html_safe
  end
end