diff options
Diffstat (limited to 'activesupport/lib')
5 files changed, 97 insertions, 24 deletions
diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb index edde4f46b9..7713c52cb1 100644 --- a/activesupport/lib/active_support/core_ext/enumerable.rb +++ b/activesupport/lib/active_support/core_ext/enumerable.rb @@ -1,6 +1,9 @@ # frozen_string_literal: true module Enumerable + INDEX_WITH_DEFAULT = Object.new + private_constant :INDEX_WITH_DEFAULT + # Enumerable#sum was added in Ruby 2.4, but it only works with Numeric elements # when we omit an identity. @@ -37,10 +40,11 @@ module Enumerable end end - # Convert an enumerable to a hash. + # Convert an enumerable to a hash keying it by the block return value. # # people.index_by(&:login) # # => { "nextangle" => <Person ...>, "chade-" => <Person ...>, ...} + # # people.index_by { |person| "#{person.first_name} #{person.last_name}" } # # => { "Chade- Fowlersburg-e" => <Person ...>, "David Heinemeier Hansson" => <Person ...>, ...} def index_by @@ -53,6 +57,26 @@ module Enumerable end end + # Convert an enumerable to a hash keying it with the enumerable items and with the values returned in the block. + # + # post = Post.new(title: "hey there", body: "what's up?") + # + # %i( title body ).index_with { |attr_name| post.public_send(attr_name) } + # # => { title: "hey there", body: "what's up?" } + def index_with(default = INDEX_WITH_DEFAULT) + if block_given? + result = {} + each { |elem| result[elem] = yield(elem) } + result + elsif default != INDEX_WITH_DEFAULT + result = {} + each { |elem| result[elem] = default } + result + else + to_enum(:index_with) { size if respond_to?(:size) } + end + end + # Returns +true+ if the enumerable has more than 1 element. Functionally # equivalent to <tt>enum.to_a.size > 1</tt>. Can be called with a block too, # much like any?, so <tt>people.many? { |p| p.age > 26 }</tt> returns +true+ diff --git a/activesupport/lib/active_support/core_ext/range.rb b/activesupport/lib/active_support/core_ext/range.rb index 4074e91d17..78814fd189 100644 --- a/activesupport/lib/active_support/core_ext/range.rb +++ b/activesupport/lib/active_support/core_ext/range.rb @@ -1,7 +1,7 @@ # frozen_string_literal: true require "active_support/core_ext/range/conversions" -require "active_support/core_ext/range/include_range" +require "active_support/core_ext/range/compare_range" require "active_support/core_ext/range/include_time_with_zone" require "active_support/core_ext/range/overlaps" require "active_support/core_ext/range/each" diff --git a/activesupport/lib/active_support/core_ext/range/compare_range.rb b/activesupport/lib/active_support/core_ext/range/compare_range.rb new file mode 100644 index 0000000000..704041f6de --- /dev/null +++ b/activesupport/lib/active_support/core_ext/range/compare_range.rb @@ -0,0 +1,61 @@ +# frozen_string_literal: true + +module ActiveSupport + module CompareWithRange #:nodoc: + # Extends the default Range#=== to support range comparisons. + # (1..5) === (1..5) # => true + # (1..5) === (2..3) # => true + # (1..5) === (2..6) # => false + # + # The native Range#=== behavior is untouched. + # ('a'..'f') === ('c') # => true + # (5..9) === (11) # => false + def ===(value) + if value.is_a?(::Range) + # 1...10 includes 1..9 but it does not include 1..10. + operator = exclude_end? && !value.exclude_end? ? :< : :<= + super(value.first) && value.last.send(operator, last) + else + super + end + end + + # Extends the default Range#include? to support range comparisons. + # (1..5).include?(1..5) # => true + # (1..5).include?(2..3) # => true + # (1..5).include?(2..6) # => false + # + # The native Range#include? behavior is untouched. + # ('a'..'f').include?('c') # => true + # (5..9).include?(11) # => false + def include?(value) + if value.is_a?(::Range) + # 1...10 includes 1..9 but it does not include 1..10. + operator = exclude_end? && !value.exclude_end? ? :< : :<= + super(value.first) && value.last.send(operator, last) + else + super + end + end + + # Extends the default Range#cover? to support range comparisons. + # (1..5).cover?(1..5) # => true + # (1..5).cover?(2..3) # => true + # (1..5).cover?(2..6) # => false + # + # The native Range#cover? behavior is untouched. + # ('a'..'f').cover?('c') # => true + # (5..9).cover?(11) # => false + def cover?(value) + if value.is_a?(::Range) + # 1...10 covers 1..9 but it does not cover 1..10. + operator = exclude_end? && !value.exclude_end? ? :< : :<= + super(value.first) && value.last.send(operator, last) + else + super + end + end + end +end + +Range.prepend(ActiveSupport::CompareWithRange) diff --git a/activesupport/lib/active_support/core_ext/range/include_range.rb b/activesupport/lib/active_support/core_ext/range/include_range.rb index 7ba1011921..2da2c587a3 100644 --- a/activesupport/lib/active_support/core_ext/range/include_range.rb +++ b/activesupport/lib/active_support/core_ext/range/include_range.rb @@ -1,25 +1,9 @@ # frozen_string_literal: true -module ActiveSupport - module IncludeWithRange #:nodoc: - # Extends the default Range#include? to support range comparisons. - # (1..5).include?(1..5) # => true - # (1..5).include?(2..3) # => true - # (1..5).include?(2..6) # => false - # - # The native Range#include? behavior is untouched. - # ('a'..'f').include?('c') # => true - # (5..9).include?(11) # => false - def include?(value) - if value.is_a?(::Range) - # 1...10 includes 1..9 but it does not include 1..10. - operator = exclude_end? && !value.exclude_end? ? :< : :<= - super(value.first) && value.last.send(operator, last) - else - super - end - end - end -end +require "active_support/deprecation" -Range.prepend(ActiveSupport::IncludeWithRange) +ActiveSupport::Deprecation.warn "You have required `active_support/core_ext/range/include_range`. " \ +"This file will be removed in Rails 6.1. You should require `active_support/core_ext/range/compare_range` " \ + "instead." + +require "active_support/core_ext/range/compare_range" diff --git a/activesupport/lib/active_support/deprecation/behaviors.rb b/activesupport/lib/active_support/deprecation/behaviors.rb index 66d6f3225a..3abd25aa85 100644 --- a/activesupport/lib/active_support/deprecation/behaviors.rb +++ b/activesupport/lib/active_support/deprecation/behaviors.rb @@ -94,6 +94,10 @@ module ActiveSupport private def arity_coerce(behavior) + unless behavior.respond_to?(:call) + raise ArgumentError, "#{behavior.inspect} is not a valid deprecation behavior." + end + if behavior.arity == 4 || behavior.arity == -1 behavior else |