diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext')
15 files changed, 118 insertions, 52 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/grouping.rb b/activesupport/lib/active_support/core_ext/array/grouping.rb index 34af83d1ab..ea9d85f6e3 100644 --- a/activesupport/lib/active_support/core_ext/array/grouping.rb +++ b/activesupport/lib/active_support/core_ext/array/grouping.rb @@ -89,24 +89,19 @@ class Array # [1, 2, 3, 4, 5].split(3) # => [[1, 2], [4, 5]] # (1..10).to_a.split { |i| i % 3 == 0 } # => [[1, 2], [4, 5], [7, 8], [10]] def split(value = nil) + arr = self.dup + result = [] if block_given? - inject([[]]) do |results, element| - if yield(element) - results << [] - else - results.last << element - end - - results + while (idx = arr.index { |i| yield i }) + result << arr.shift(idx) + arr.shift end else - arr = self.dup - result = [] while (idx = arr.index(value)) result << arr.shift(idx) arr.shift end - result << arr end + result << arr end end diff --git a/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb b/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb index 22fc7ecf92..074e2eabf8 100644 --- a/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb +++ b/activesupport/lib/active_support/core_ext/big_decimal/conversions.rb @@ -3,10 +3,8 @@ require 'bigdecimal/util' module ActiveSupport module BigDecimalWithDefaultFormat #:nodoc: - DEFAULT_STRING_FORMAT = 'F' - - def to_s(format = nil) - super(format || DEFAULT_STRING_FORMAT) + def to_s(format = 'F') + super(format) end end end diff --git a/activesupport/lib/active_support/core_ext/class/subclasses.rb b/activesupport/lib/active_support/core_ext/class/subclasses.rb index b0f9a8be34..1d8c33b43e 100644 --- a/activesupport/lib/active_support/core_ext/class/subclasses.rb +++ b/activesupport/lib/active_support/core_ext/class/subclasses.rb @@ -26,8 +26,6 @@ class Class # Returns an array with the direct children of +self+. # - # Integer.subclasses # => [Fixnum, Bignum] - # # class Foo; end # class Bar < Foo; end # class Baz < Bar; end diff --git a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb index 4da7fdd159..6206546672 100644 --- a/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_and_time/calculations.rb @@ -294,6 +294,11 @@ module DateAndTime end alias :at_end_of_year :end_of_year + # Returns a Range representing the whole day of the current date/time. + def all_day + beginning_of_day..end_of_day + end + # Returns a Range representing the whole week of the current date/time. # Week starts on start_day, default is <tt>Date.week_start</tt> or <tt>config.week_start</tt> when set. def all_week(start_day = Date.beginning_of_week) diff --git a/activesupport/lib/active_support/core_ext/date_and_time/zones.rb b/activesupport/lib/active_support/core_ext/date_and_time/zones.rb index d29a8db5cf..e2432c8f8a 100644 --- a/activesupport/lib/active_support/core_ext/date_and_time/zones.rb +++ b/activesupport/lib/active_support/core_ext/date_and_time/zones.rb @@ -5,7 +5,7 @@ module DateAndTime # # Time.zone = 'Hawaii' # => 'Hawaii' # Time.utc(2000).in_time_zone # => Fri, 31 Dec 1999 14:00:00 HST -10:00 - # Date.new(2000).in_time_zone # => Sat, 01 Jan 2000 00:00:00 HST -10:00 + # Date.new(2000).in_time_zone # => Sat, 01 Jan 2000 00:00:00 HST -10:00 # # This method is similar to Time#localtime, except that it uses <tt>Time.zone</tt> as the local zone # instead of the operating system's time zone. @@ -14,7 +14,7 @@ module DateAndTime # and the conversion will be based on that zone instead of <tt>Time.zone</tt>. # # Time.utc(2000).in_time_zone('Alaska') # => Fri, 31 Dec 1999 15:00:00 AKST -09:00 - # Date.new(2000).in_time_zone('Alaska') # => Sat, 01 Jan 2000 00:00:00 AKST -09:00 + # Date.new(2000).in_time_zone('Alaska') # => Sat, 01 Jan 2000 00:00:00 AKST -09:00 def in_time_zone(zone = ::Time.zone) time_zone = ::Time.find_zone! zone time = acts_like?(:time) ? self : nil diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb index 941f20c19d..8ebe758078 100644 --- a/activesupport/lib/active_support/core_ext/enumerable.rb +++ b/activesupport/lib/active_support/core_ext/enumerable.rb @@ -17,11 +17,12 @@ module Enumerable # The default sum of an empty list is zero. You can override this default: # # [].sum(Payment.new(0)) { |i| i.amount } # => Payment.new(0) - def sum(identity = 0, &block) + def sum(identity = nil, &block) if block_given? map(&block).sum(identity) else - inject(:+) || identity + sum = identity ? inject(identity, :+) : inject(:+) + sum || identity || 0 end end @@ -33,7 +34,9 @@ module Enumerable # => { "Chade- Fowlersburg-e" => <Person ...>, "David Heinemeier Hansson" => <Person ...>, ...} def index_by if block_given? - Hash[map { |elem| [yield(elem), elem] }] + result = {} + each { |elem| result[yield(elem)] = elem } + result else to_enum(:index_by) { size if respond_to?(:size) } end @@ -91,15 +94,16 @@ end class Range #:nodoc: # Optimize range sum to use arithmetic progression if a block is not given and # we have a range of numeric values. - def sum(identity = 0) + def sum(identity = nil) if block_given? || !(first.is_a?(Integer) && last.is_a?(Integer)) super else actual_last = exclude_end? ? (last - 1) : last if actual_last >= first - (actual_last - first + 1) * (actual_last + first) / 2 + sum = identity || 0 + sum + (actual_last - first + 1) * (actual_last + first) / 2 else - identity + identity || 0 end end end @@ -112,11 +116,15 @@ end # just calling the compat method in the first place. if Array.instance_methods(false).include?(:sum) && !(%w[a].sum rescue false) class Array - remove_method :sum + alias :orig_sum :sum - def sum(*args) #:nodoc: - # Use Enumerable#sum instead. - super + def sum(init = nil, &block) #:nodoc: + if init.is_a?(Numeric) || first.is_a?(Numeric) + init ||= 0 + orig_sum(init, &block) + else + super + end end end end diff --git a/activesupport/lib/active_support/core_ext/hash/compact.rb b/activesupport/lib/active_support/core_ext/hash/compact.rb index 5dc9a05ec7..62ea579c65 100644 --- a/activesupport/lib/active_support/core_ext/hash/compact.rb +++ b/activesupport/lib/active_support/core_ext/hash/compact.rb @@ -1,9 +1,9 @@ class Hash # Returns a hash with non +nil+ values. # - # hash = { a: true, b: false, c: nil} - # hash.compact # => { a: true, b: false} - # hash # => { a: true, b: false, c: nil} + # hash = { a: true, b: false, c: nil } + # hash.compact # => { a: true, b: false } + # hash # => { a: true, b: false, c: nil } # { c: nil }.compact # => {} def compact self.select { |_, value| !value.nil? } @@ -11,9 +11,9 @@ class Hash # Replaces current hash with non +nil+ values. # - # hash = { a: true, b: false, c: nil} - # hash.compact! # => { a: true, b: false} - # hash # => { a: true, b: false} + # hash = { a: true, b: false, c: nil } + # hash.compact! # => { a: true, b: false } + # hash # => { a: true, b: false } def compact! self.reject! { |_, value| value.nil? } end diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb index dd5ebe6d8d..2fc514cfce 100644 --- a/activesupport/lib/active_support/core_ext/hash/conversions.rb +++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb @@ -55,8 +55,7 @@ class Hash # # XML_TYPE_NAMES = { # "Symbol" => "symbol", - # "Fixnum" => "integer", - # "Bignum" => "integer", + # "Integer" => "integer", # "BigDecimal" => "decimal", # "Float" => "float", # "TrueClass" => "boolean", diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index 24450cd221..7f968d10b5 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -148,7 +148,6 @@ class Module # Foo.new("Bar").name # raises NoMethodError: undefined method `name' # # The target method must be public, otherwise it will raise +NoMethodError+. - # def delegate(*methods, to: nil, prefix: nil, allow_nil: nil) unless to raise ArgumentError, 'Delegation needs a target. Supply an options hash with a :to key as the last argument (e.g. delegate :hello, to: :greeter).' @@ -212,4 +211,68 @@ class Module module_eval(method_def, file, line) end end + + # When building decorators, a common pattern may emerge: + # + # class Partition + # def initialize(first_event) + # @events = [ first_event ] + # end + # + # def people + # if @events.first.detail.people.any? + # @events.collect { |e| Array(e.detail.people) }.flatten.uniq + # else + # @events.collect(&:creator).uniq + # end + # end + # + # private + # def respond_to_missing?(name, include_private = false) + # @events.respond_to?(name, include_private) + # end + # + # def method_missing(method, *args, &block) + # @events.send(method, *args, &block) + # end + # end + # + # With `Module#delegate_missing_to`, the above is condensed to: + # + # class Partition + # delegate_missing_to :@events + # + # def initialize(first_event) + # @events = [ first_event ] + # end + # + # def people + # if @events.first.detail.people.any? + # @events.collect { |e| Array(e.detail.people) }.flatten.uniq + # else + # @events.collect(&:creator).uniq + # end + # end + # end + # + # The target can be anything callable withing the object. E.g. instance + # variables, methods, constants ant the likes. + def delegate_missing_to(target) + target = target.to_s + target = "self.#{target}" if DELEGATION_RESERVED_METHOD_NAMES.include?(target) + + module_eval <<-RUBY, __FILE__, __LINE__ + 1 + def respond_to_missing?(name, include_private = false) + #{target}.respond_to?(name, include_private) + end + + def method_missing(method, *args, &block) + if #{target}.respond_to?(method) + #{target}.public_send(method, *args, &block) + else + super + end + end + RUBY + end end diff --git a/activesupport/lib/active_support/core_ext/numeric/conversions.rb b/activesupport/lib/active_support/core_ext/numeric/conversions.rb index b25925b9d4..6586a351f8 100644 --- a/activesupport/lib/active_support/core_ext/numeric/conversions.rb +++ b/activesupport/lib/active_support/core_ext/numeric/conversions.rb @@ -134,6 +134,12 @@ module ActiveSupport::NumericWithFormat deprecate to_formatted_s: :to_s end -[Fixnum, Bignum, Float, BigDecimal].each do |klass| - klass.prepend(ActiveSupport::NumericWithFormat) +# Ruby 2.4+ unifies Fixnum & Bignum into Integer. +if Integer == Fixnum + Integer.prepend ActiveSupport::NumericWithFormat +else + Fixnum.prepend ActiveSupport::NumericWithFormat + Bignum.prepend ActiveSupport::NumericWithFormat end +Float.prepend ActiveSupport::NumericWithFormat +BigDecimal.prepend ActiveSupport::NumericWithFormat diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb index 699b2fb42b..cb74bad73e 100644 --- a/activesupport/lib/active_support/core_ext/object/blank.rb +++ b/activesupport/lib/active_support/core_ext/object/blank.rb @@ -97,6 +97,8 @@ class Hash end class String + BLANK_RE = /\A[[:space:]]*\z/ + # A string is blank if it's empty or contains whitespaces only: # # ''.blank? # => true @@ -113,10 +115,7 @@ class String # The regexp that matches blank strings is expensive. For the case of empty # strings we can speed up this method (~3.5x) with an empty? call. The # penalty for the rest of strings is marginal. - # - # Double negation in the second operand is also a performance tweak, it is - # faster than the positive \A[[:space:]]*\z. - empty? || !(/[[:^space:]]/ === self) + empty? || BLANK_RE === self end end diff --git a/activesupport/lib/active_support/core_ext/object/duplicable.rb b/activesupport/lib/active_support/core_ext/object/duplicable.rb index befa5aee21..9bc5ee65ba 100644 --- a/activesupport/lib/active_support/core_ext/object/duplicable.rb +++ b/activesupport/lib/active_support/core_ext/object/duplicable.rb @@ -70,7 +70,7 @@ class Numeric # Numbers are not duplicable: # # 3.duplicable? # => false - # 3.dup # => TypeError: can't dup Fixnum + # 3.dup # => TypeError: can't dup Integer def duplicable? false end diff --git a/activesupport/lib/active_support/core_ext/object/try.rb b/activesupport/lib/active_support/core_ext/object/try.rb index 8c16d95b62..3b6d9da216 100644 --- a/activesupport/lib/active_support/core_ext/object/try.rb +++ b/activesupport/lib/active_support/core_ext/object/try.rb @@ -99,7 +99,7 @@ class Object # # "a".try!(:upcase) # => "A" # nil.try!(:upcase) # => nil - # 123.try!(:upcase) # => NoMethodError: undefined method `upcase' for 123:Fixnum + # 123.try!(:upcase) # => NoMethodError: undefined method `upcase' for 123:Integer end class Delegator diff --git a/activesupport/lib/active_support/core_ext/string/access.rb b/activesupport/lib/active_support/core_ext/string/access.rb index ebd0dd3fc7..213a91aa7a 100644 --- a/activesupport/lib/active_support/core_ext/string/access.rb +++ b/activesupport/lib/active_support/core_ext/string/access.rb @@ -1,5 +1,5 @@ class String - # If you pass a single Fixnum, returns a substring of one character at that + # If you pass a single integer, returns a substring of one character at that # position. The first character of the string is at position 0, the next at # position 1, and so on. If a range is supplied, a substring containing # characters at offsets given by the range is returned. In both cases, if an diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index b755726db2..e81b48ab26 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -227,11 +227,6 @@ class Time end alias :at_end_of_minute :end_of_minute - # Returns a Range representing the whole day of the current time. - def all_day - beginning_of_day..end_of_day - end - def plus_with_duration(other) #:nodoc: if ActiveSupport::Duration === other other.since(self) |