Module: TRMNL::Liquid::Fallback

Defined in:
lib/trmnl/liquid/fallback.rb

Overview

library-native formatting functions that don't rely on ActionView helpers

Class Method Summary collapse

Class Method Details

.number_to_currency(number, unit, delimiter, separator, precision) ⇒ Object

rubocop:disable Metrics/ParameterLists



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# File 'lib/trmnl/liquid/fallback.rb', line 33

def number_to_currency number, unit, delimiter, separator, precision
  result = number_with_delimiter number, delimiter, separator
  dollars, cents = result.split separator

  if precision <= 0
    "#{unit}#{dollars}"
  else
    cents = cents.to_s[0..(precision - 1)].ljust precision, "0"
    "#{unit}#{dollars}#{separator}#{cents}"
  end
end

.number_with_delimiter(number, delimiter, separator) ⇒ Object

:reek:TooManyStatements rubocop:todo Metrics/MethodLength



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# File 'lib/trmnl/liquid/fallback.rb', line 11

def number_with_delimiter number, delimiter, separator
  value = number.to_s

  # return early if it's not a simple numeric-like string
  return value unless value.match?(/\A-?\d+(\.\d+)?\z/)

  integer, fractional = value.split "."
  negative = integer.start_with? "-"
  integer = integer[1..] if negative

  integer_with_delimiters = integer.reverse.scan(/\d{1,3}/).join(delimiter).reverse
  integer_with_delimiters = "-#{integer_with_delimiters}" if negative

  if fractional
    integer_with_delimiters + separator + fractional
  else
    integer_with_delimiters
  end
end

.ordinalize(number) ⇒ Object

:reek:TooManyStatements



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# File 'lib/trmnl/liquid/fallback.rb', line 47

def ordinalize number
  return "#{number}th" if (11..13).cover? number % 100

  suffix = case number % 10
             when 1 then "st"
             when 2 then "nd"
             when 3 then "rd"
             else "th"
           end

  "#{number}#{suffix}"
end

.pluralize(count, singular, plural) ⇒ Object 



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# File 'lib/trmnl/liquid/fallback.rb', line 60

def pluralize count, singular, plural
  plural ||= "#{singular}s"
  count == 1 ? "1 #{singular}" : "#{count} #{plural}"
end