Methods
Instance Public methods
to_fs(format = nil, options = nil) Link
Provides options for converting numbers into formatted strings. Options are provided for phone numbers, currency, percentage, precision, positional notation, file size, and pretty printing.
This method is aliased to to_formatted_s.
Options
For details on which formats use which options, see ActiveSupport::NumberHelper
Examples
Phone Numbers:
5551234.to_fs(:phone) # => "555-1234"
1235551234.to_fs(:phone) # => "123-555-1234"
1235551234.to_fs(:phone, area_code: true) # => "(123) 555-1234"
1235551234.to_fs(:phone, delimiter: ' ') # => "123 555 1234"
1235551234.to_fs(:phone, area_code: true, extension: 555) # => "(123) 555-1234 x 555"
1235551234.to_fs(:phone, country_code: 1) # => "+1-123-555-1234"
1235551234.to_fs(:phone, country_code: 1, extension: 1343, delimiter: '.')
# => "+1.123.555.1234 x 1343"
Currency:
1234567890.50.to_fs(:currency) # => "$1,234,567,890.50"
1234567890.506.to_fs(:currency) # => "$1,234,567,890.51"
1234567890.506.to_fs(:currency, precision: 3) # => "$1,234,567,890.506"
1234567890.506.to_fs(:currency, round_mode: :down) # => "$1,234,567,890.50"
1234567890.506.to_fs(:currency, locale: :fr) # => "1 234 567 890,51 €"
-1234567890.50.to_fs(:currency, negative_format: '(%u%n)')
# => "($1,234,567,890.50)"
1234567890.50.to_fs(:currency, unit: '£', separator: ',', delimiter: '')
# => "£1234567890,50"
1234567890.50.to_fs(:currency, unit: '£', separator: ',', delimiter: '', format: '%n %u')
# => "1234567890,50 £"
Percentage:
100.to_fs(:percentage) # => "100.000%"
100.to_fs(:percentage, precision: 0) # => "100%"
1000.to_fs(:percentage, delimiter: '.', separator: ',') # => "1.000,000%"
302.24398923423.to_fs(:percentage, precision: 5) # => "302.24399%"
302.24398923423.to_fs(:percentage, round_mode: :down) # => "302.243%"
1000.to_fs(:percentage, locale: :fr) # => "1 000,000%"
100.to_fs(:percentage, format: '%n %') # => "100.000 %"
Delimited:
12345678.to_fs(:delimited) # => "12,345,678"
12345678.05.to_fs(:delimited) # => "12,345,678.05"
12345678.to_fs(:delimited, delimiter: '.') # => "12.345.678"
12345678.to_fs(:delimited, delimiter: ',') # => "12,345,678"
12345678.05.to_fs(:delimited, separator: ' ') # => "12,345,678 05"
12345678.05.to_fs(:delimited, locale: :fr) # => "12 345 678,05"
98765432.98.to_fs(:delimited, delimiter: ' ', separator: ',')
# => "98 765 432,98"
Rounded:
111.2345.to_fs(:rounded) # => "111.235"
111.2345.to_fs(:rounded, precision: 2) # => "111.23"
111.2345.to_fs(:rounded, precision: 2, round_mode: :up) # => "111.24"
13.to_fs(:rounded, precision: 5) # => "13.00000"
389.32314.to_fs(:rounded, precision: 0) # => "389"
111.2345.to_fs(:rounded, significant: true) # => "111"
111.2345.to_fs(:rounded, precision: 1, significant: true) # => "100"
13.to_fs(:rounded, precision: 5, significant: true) # => "13.000"
111.234.to_fs(:rounded, locale: :fr) # => "111,234"
13.to_fs(:rounded, precision: 5, significant: true, strip_insignificant_zeros: true)
# => "13"
389.32314.to_fs(:rounded, precision: 4, significant: true) # => "389.3"
1111.2345.to_fs(:rounded, precision: 2, separator: ',', delimiter: '.')
# => "1.111,23"
Human-friendly size in Bytes:
123.to_fs(:human_size) # => "123 Bytes"
1234.to_fs(:human_size) # => "1.21 KB"
12345.to_fs(:human_size) # => "12.1 KB"
1234567.to_fs(:human_size) # => "1.18 MB"
1234567890.to_fs(:human_size) # => "1.15 GB"
1234567890123.to_fs(:human_size) # => "1.12 TB"
1234567890123456.to_fs(:human_size) # => "1.1 PB"
1234567890123456789.to_fs(:human_size) # => "1.07 EB"
1234567.to_fs(:human_size, precision: 2) # => "1.2 MB"
1234567.to_fs(:human_size, precision: 2, round_mode: :up) # => "1.3 MB"
483989.to_fs(:human_size, precision: 2) # => "470 KB"
1234567.to_fs(:human_size, precision: 2, separator: ',') # => "1,2 MB"
1234567890123.to_fs(:human_size, precision: 5) # => "1.1228 TB"
524288000.to_fs(:human_size, precision: 5) # => "500 MB"
Human-friendly format:
123.to_fs(:human) # => "123"
1234.to_fs(:human) # => "1.23 Thousand"
12345.to_fs(:human) # => "12.3 Thousand"
1234567.to_fs(:human) # => "1.23 Million"
1234567890.to_fs(:human) # => "1.23 Billion"
1234567890123.to_fs(:human) # => "1.23 Trillion"
1234567890123456.to_fs(:human) # => "1.23 Quadrillion"
1234567890123456789.to_fs(:human) # => "1230 Quadrillion"
489939.to_fs(:human, precision: 2) # => "490 Thousand"
489939.to_fs(:human, precision: 2, round_mode: :down) # => "480 Thousand"
489939.to_fs(:human, precision: 4) # => "489.9 Thousand"
1234567.to_fs(:human, precision: 4,
significant: false) # => "1.2346 Million"
1234567.to_fs(:human, precision: 1,
separator: ',',
significant: false) # => "1,2 Million"
Also aliased as: to_formatted_s
# File activesupport/lib/active_support/core_ext/numeric/conversions.rb, line 111 def to_fs(format = nil, options = nil) return to_s if format.nil? case format when Integer, String to_s(format) when :phone ActiveSupport::NumberHelper.number_to_phone(self, options || {}) when :currency ActiveSupport::NumberHelper.number_to_currency(self, options || {}) when :percentage ActiveSupport::NumberHelper.number_to_percentage(self, options || {}) when :delimited ActiveSupport::NumberHelper.number_to_delimited(self, options || {}) when :rounded ActiveSupport::NumberHelper.number_to_rounded(self, options || {}) when :human ActiveSupport::NumberHelper.number_to_human(self, options || {}) when :human_size ActiveSupport::NumberHelper.number_to_human_size(self, options || {}) when Symbol to_s else to_s(format) end end