Module: FriendlyNumbers::NumberToCurrency

Defined in:
lib/friendly_numbers/number_to_currency.rb

Constant Summary collapse

DEFAULTS = 
{
  precision: 2,
  unit: "$",
  separator: ","
}

Class Method Summary collapse

Class Method Details

.convert(value, options) ⇒ Object

:nodoc:



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# File 'lib/friendly_numbers/number_to_currency.rb', line 11

def convert(value, options) # :nodoc:
  options = DEFAULTS.merge(options)

  whole, part = value.divmod(1)

  parted = partition(whole, options[:separator])

  options[:unit] +
    parted +
    format("%.#{options[:precision]}f", part)[1..-1] # Strip leading 0
end

.partition(whole, separator) ⇒ Object 



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# File 'lib/friendly_numbers/number_to_currency.rb', line 23

def partition(whole, separator)
  whole.to_s.chars.reverse
    .each_slice(3)
    .map(&:join)
    .join(separator)
    .reverse
end