Action View Number Helpers

Provides methods for converting numbers into formatted strings. Methods are provided for phone numbers, currency, percentage, precision, positional notation, file size, and pretty printing.

Most methods expect a number argument, and will return it unchanged if can’t be converted into a valid number.

Namespace

Class

Methods

Instance Public methods

number_to_currency(number, options = {})

Delegates to ActiveSupport::NumberHelper#number_to_currency.

Additionally, supports a :raise option that will cause InvalidNumberError to be raised if number is not a valid number:

number_to_currency("12x34")              # => "$12x34"
number_to_currency("12x34", raise: true) # => InvalidNumberError
πŸ“ Source code
# File actionview/lib/action_view/helpers/number_helper.rb, line 51
      def number_to_currency(number, options = {})
        delegate_number_helper_method(:number_to_currency, number, options)
      end
πŸ”Ž See on GitHub

number_to_human(number, options = {})

Delegates to ActiveSupport::NumberHelper#number_to_human.

Additionally, supports a :raise option that will cause InvalidNumberError to be raised if number is not a valid number:

number_to_human("12x34")              # => "12x34"
number_to_human("12x34", raise: true) # => InvalidNumberError
πŸ“ Source code
# File actionview/lib/action_view/helpers/number_helper.rb, line 111
      def number_to_human(number, options = {})
        delegate_number_helper_method(:number_to_human, number, options)
      end
πŸ”Ž See on GitHub

number_to_human_size(number, options = {})

Delegates to ActiveSupport::NumberHelper#number_to_human_size.

Additionally, supports a :raise option that will cause InvalidNumberError to be raised if number is not a valid number:

number_to_human_size("12x34")              # => "12x34"
number_to_human_size("12x34", raise: true) # => InvalidNumberError
πŸ“ Source code
# File actionview/lib/action_view/helpers/number_helper.rb, line 99
      def number_to_human_size(number, options = {})
        delegate_number_helper_method(:number_to_human_size, number, options)
      end
πŸ”Ž See on GitHub

number_to_percentage(number, options = {})

Delegates to ActiveSupport::NumberHelper#number_to_percentage.

Additionally, supports a :raise option that will cause InvalidNumberError to be raised if number is not a valid number:

number_to_percentage("99x")              # => "99x%"
number_to_percentage("99x", raise: true) # => InvalidNumberError
πŸ“ Source code
# File actionview/lib/action_view/helpers/number_helper.rb, line 63
      def number_to_percentage(number, options = {})
        delegate_number_helper_method(:number_to_percentage, number, options)
      end
πŸ”Ž See on GitHub

number_to_phone(number, options = {})

Delegates to ActiveSupport::NumberHelper#number_to_phone.

Additionally, supports a :raise option that will cause InvalidNumberError to be raised if number is not a valid number:

number_to_phone("12x34")              # => "12x34"
number_to_phone("12x34", raise: true) # => InvalidNumberError
πŸ“ Source code
# File actionview/lib/action_view/helpers/number_helper.rb, line 35
      def number_to_phone(number, options = {})
        return unless number
        options = options.symbolize_keys

        parse_float(number, true) if options.delete(:raise)
        ERB::Util.html_escape(ActiveSupport::NumberHelper.number_to_phone(number, options))
      end
πŸ”Ž See on GitHub

number_with_delimiter(number, options = {})

Delegates to ActiveSupport::NumberHelper#number_to_delimited.

Additionally, supports a :raise option that will cause InvalidNumberError to be raised if number is not a valid number:

number_with_delimiter("12x34")              # => "12x34"
number_with_delimiter("12x34", raise: true) # => InvalidNumberError
πŸ“ Source code
# File actionview/lib/action_view/helpers/number_helper.rb, line 75
      def number_with_delimiter(number, options = {})
        delegate_number_helper_method(:number_to_delimited, number, options)
      end
πŸ”Ž See on GitHub

number_with_precision(number, options = {})

Delegates to ActiveSupport::NumberHelper#number_to_rounded.

Additionally, supports a :raise option that will cause InvalidNumberError to be raised if number is not a valid number:

number_with_precision("12x34")              # => "12x34"
number_with_precision("12x34", raise: true) # => InvalidNumberError
πŸ“ Source code
# File actionview/lib/action_view/helpers/number_helper.rb, line 87
      def number_with_precision(number, options = {})
        delegate_number_helper_method(:number_to_rounded, number, options)
      end
πŸ”Ž See on GitHub