diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/array/conversions.rb')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/array/conversions.rb | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb index 19220da2b1..e9e9cf445e 100644 --- a/activesupport/lib/active_support/core_ext/array/conversions.rb +++ b/activesupport/lib/active_support/core_ext/array/conversions.rb @@ -3,12 +3,20 @@ module ActiveSupport #:nodoc: module Array #:nodoc: # Enables to conversion of Arrays to human readable lists. ['one', 'two', 'three'] => "one, two, and three" module Conversions - # Converts the array to comma-seperated sentence where the last element is joined by the connector word (default is 'and'). - def to_sentence(connector = 'and') - if length > 1 - "#{self[0...-1].join(', ')}, #{connector} #{self[-1]}" - elsif length == 1 - self[0] + # Converts the array to comma-seperated sentence where the last element is joined by the connector word. Options: + # * <tt>:connector</tt>: The word used to join the last element in arrays with more than two elements (default: "and") + # * <tt>:skip_last_comma</tt>: Set to true to return "a, b and c" instead of "a, b, and c". + def to_sentence(options = {}) + options.assert_valid_keys(:connector, :skip_last_comma) + options.reverse_merge! :connector => 'and', :skip_last_comma => false + + case length + when 1 + self[0] + when 2 + "#{self[0]} #{options[:connector]} #{self[1]}" + else + "#{self[0...-1].join(', ')}#{options[:skip_last_comma] ? '' : ','} #{options[:connector]} #{self[-1]}" end end |