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Contents
module Spout
module Helpers
class TableFormatting
# def initialize(number)
# @number = number
# end
def self.number_with_delimiter(number, delimiter = ',')
number.to_s.reverse.scan(/(?:\d*\.)?\d{1,3}-?/).join(',').reverse
end
# type: :count or :decimal
def self.format_number(number, type, format = nil)
if number.nil?
format_nil(number)
elsif type == :count
format_count(number)
else
format_decimal(number, format)
end
end
def self.format_nil(number)
'-'
end
# count:
# 0 -> '-'
# 10 -> '10'
# 1000 -> '1,000'
# Input (Numeric) -> Output (String)
def self.format_count(number)
(number == 0 || number.nil?) ? '-' : number_with_delimiter(number)
end
# decimal:
# 0 -> '0.0'
# 10 -> '10.0'
# -50.2555 -> '-50.3'
# 1000 -> '1,000.0'
# 12412423.42252525 -> '12,412,423.4'
# Input (Numeric) -> Output (String)
def self.format_decimal(number, format)
precision = 1
precision = -Math.log10(number.abs).floor if number.abs < 1.0 && number != 0
number = number_with_delimiter(number.round(precision))
number = format % number if format
number
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems