diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext')
16 files changed, 113 insertions, 36 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/grouping.rb b/activesupport/lib/active_support/core_ext/array/grouping.rb index 87ae052eb0..34af83d1ab 100644 --- a/activesupport/lib/active_support/core_ext/array/grouping.rb +++ b/activesupport/lib/active_support/core_ext/array/grouping.rb @@ -100,17 +100,13 @@ class Array results end else - results, arr = [[]], self.dup - until arr.empty? - if (idx = arr.index(value)) - results.last.concat(arr.shift(idx)) - arr.shift - results << [] - else - results.last.concat(arr.shift(arr.size)) - end + arr = self.dup + result = [] + while (idx = arr.index(value)) + result << arr.shift(idx) + arr.shift end - results + result << arr end end end diff --git a/activesupport/lib/active_support/core_ext/date/conversions.rb b/activesupport/lib/active_support/core_ext/date/conversions.rb index ed8bca77ac..9a6d7bb415 100644 --- a/activesupport/lib/active_support/core_ext/date/conversions.rb +++ b/activesupport/lib/active_support/core_ext/date/conversions.rb @@ -80,6 +80,7 @@ class Date # # date.to_time(:utc) # => 2007-11-10 00:00:00 UTC def to_time(form = :local) + raise ArgumentError, "Expected :local or :utc, got #{form.inspect}." unless [:local, :utc].include?(form) ::Time.send(form, year, month, day) end diff --git a/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb b/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb new file mode 100644 index 0000000000..19e596a144 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb @@ -0,0 +1,18 @@ +require 'active_support/core_ext/module/attribute_accessors' + +module DateAndTime + module Compatibility + # If true, +to_time+ preserves the timezone offset of receiver. + # + # NOTE: With Ruby 2.4+ the default for +to_time+ changed from + # converting to the local system time, to preserving the offset + # of the receiver. For backwards compatibility we're overriding + # this behavior, but new apps will have an initializer that sets + # this to true, because the new behavior is preferred. + mattr_accessor(:preserve_timezone, instance_writer: false) { false } + + def to_time + preserve_timezone ? getlocal(utc_offset) : getlocal + end + end +end 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/date_time.rb b/activesupport/lib/active_support/core_ext/date_time.rb index 5450533935..86177488c0 100644 --- a/activesupport/lib/active_support/core_ext/date_time.rb +++ b/activesupport/lib/active_support/core_ext/date_time.rb @@ -1,4 +1,5 @@ require 'active_support/core_ext/date_time/acts_like' require 'active_support/core_ext/date_time/blank' require 'active_support/core_ext/date_time/calculations' +require 'active_support/core_ext/date_time/compatibility' require 'active_support/core_ext/date_time/conversions' diff --git a/activesupport/lib/active_support/core_ext/date_time/calculations.rb b/activesupport/lib/active_support/core_ext/date_time/calculations.rb index ac46f5ffe8..9e89a33491 100644 --- a/activesupport/lib/active_support/core_ext/date_time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/date_time/calculations.rb @@ -28,6 +28,13 @@ class DateTime end_of_day.to_i - to_i end + # Returns the fraction of a second as a +Rational+ + # + # DateTime.new(2012, 8, 29, 0, 0, 0.5).subsec # => (1/2) + def subsec + sec_fraction + end + # Returns a new DateTime where one or more of the elements have been changed # according to the +options+ parameter. The time options (<tt>:hour</tt>, # <tt>:min</tt>, <tt>:sec</tt>) reset cascadingly, so if only the hour is @@ -143,14 +150,32 @@ class DateTime end alias :at_end_of_minute :end_of_minute - # Adjusts DateTime to UTC by adding its offset value; offset is set to 0. + # Returns a <tt>Time</tt> instance of the simultaneous time in the system timezone. + def localtime(utc_offset = nil) + utc = new_offset(0) + + Time.utc( + utc.year, utc.month, utc.day, + utc.hour, utc.min, utc.sec + utc.sec_fraction + ).getlocal(utc_offset) + end + alias_method :getlocal, :localtime + + # Returns a <tt>Time</tt> instance of the simultaneous time in the UTC timezone. # # DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-6, 24)) # => Mon, 21 Feb 2005 10:11:12 -0600 - # DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-6, 24)).utc # => Mon, 21 Feb 2005 16:11:12 +0000 + # DateTime.civil(2005, 2, 21, 10, 11, 12, Rational(-6, 24)).utc # => Mon, 21 Feb 2005 16:11:12 UTC def utc - new_offset(0) + utc = new_offset(0) + + Time.utc( + utc.year, utc.month, utc.day, + utc.hour, utc.min, utc.sec + utc.sec_fraction + ) end + alias_method :getgm, :utc alias_method :getutc, :utc + alias_method :gmtime, :utc # Returns +true+ if <tt>offset == 0</tt>. def utc? diff --git a/activesupport/lib/active_support/core_ext/date_time/compatibility.rb b/activesupport/lib/active_support/core_ext/date_time/compatibility.rb new file mode 100644 index 0000000000..03e4a2adfa --- /dev/null +++ b/activesupport/lib/active_support/core_ext/date_time/compatibility.rb @@ -0,0 +1,5 @@ +require 'active_support/core_ext/date_and_time/compatibility' + +class DateTime + prepend DateAndTime::Compatibility +end diff --git a/activesupport/lib/active_support/core_ext/enumerable.rb b/activesupport/lib/active_support/core_ext/enumerable.rb index 8a74ad4d66..eae964bc2e 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 @@ -91,16 +92,33 @@ 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 end + +# Array#sum was added in Ruby 2.4 but it only works with Numeric elements. +# +# We tried shimming it to attempt the fast native method, rescue TypeError, +# and fall back to the compatible implementation, but that's much slower than +# 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 + + def sum(*args) #:nodoc: + # Use Enumerable#sum instead. + super + end + end +end diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb index 6741e732f0..dd5ebe6d8d 100644 --- a/activesupport/lib/active_support/core_ext/hash/conversions.rb +++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb @@ -31,7 +31,7 @@ class Hash # with +key+ as <tt>:root</tt>, and +key+ singularized as second argument. The # callable can add nodes by using <tt>options[:builder]</tt>. # - # 'foo'.to_xml(lambda { |options, key| options[:builder].b(key) }) + # {foo: lambda { |options, key| options[:builder].b(key) }}.to_xml # # => "<b>foo</b>" # # * If +value+ responds to +to_xml+ the method is invoked with +key+ as <tt>:root</tt>. diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb index 0d46248582..24450cd221 100644 --- a/activesupport/lib/active_support/core_ext/module/delegation.rb +++ b/activesupport/lib/active_support/core_ext/module/delegation.rb @@ -149,14 +149,11 @@ class Module # # The target method must be public, otherwise it will raise +NoMethodError+. # - def delegate(*methods) - options = methods.pop - unless options.is_a?(Hash) && to = options[:to] + 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).' end - prefix, allow_nil = options.values_at(:prefix, :allow_nil) - if prefix == true && to =~ /^[^a-z_]/ raise ArgumentError, 'Can only automatically set the delegation prefix when delegating to a method.' end diff --git a/activesupport/lib/active_support/core_ext/numeric/time.rb b/activesupport/lib/active_support/core_ext/numeric/time.rb index 6c4a975495..c6ece22f8d 100644 --- a/activesupport/lib/active_support/core_ext/numeric/time.rb +++ b/activesupport/lib/active_support/core_ext/numeric/time.rb @@ -25,17 +25,17 @@ class Numeric # Returns a Duration instance matching the number of minutes provided. # - # 2.minutes # => 120 seconds + # 2.minutes # => 2 minutes def minutes - ActiveSupport::Duration.new(self * 60, [[:seconds, self * 60]]) + ActiveSupport::Duration.new(self * 60, [[:minutes, self]]) end alias :minute :minutes # Returns a Duration instance matching the number of hours provided. # - # 2.hours # => 7_200 seconds + # 2.hours # => 2 hours def hours - ActiveSupport::Duration.new(self * 3600, [[:seconds, self * 3600]]) + ActiveSupport::Duration.new(self * 3600, [[:hours, self]]) end alias :hour :hours @@ -49,17 +49,17 @@ class Numeric # Returns a Duration instance matching the number of weeks provided. # - # 2.weeks # => 14 days + # 2.weeks # => 2 weeks def weeks - ActiveSupport::Duration.new(self * 7.days, [[:days, self * 7]]) + ActiveSupport::Duration.new(self * 7.days, [[:weeks, self]]) end alias :week :weeks # Returns a Duration instance matching the number of fortnights provided. # - # 2.fortnights # => 28 days + # 2.fortnights # => 4 weeks def fortnights - ActiveSupport::Duration.new(self * 2.weeks, [[:days, self * 14]]) + ActiveSupport::Duration.new(self * 2.weeks, [[:weeks, self * 2]]) end alias :fortnight :fortnights diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb index 039c50a4a2..cb74bad73e 100644 --- a/activesupport/lib/active_support/core_ext/object/blank.rb +++ b/activesupport/lib/active_support/core_ext/object/blank.rb @@ -112,7 +112,10 @@ class String # # @return [true, false] def blank? - BLANK_RE === self + # 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. + empty? || BLANK_RE === self end end diff --git a/activesupport/lib/active_support/core_ext/string/conversions.rb b/activesupport/lib/active_support/core_ext/string/conversions.rb index 71612e09fa..946976c5e9 100644 --- a/activesupport/lib/active_support/core_ext/string/conversions.rb +++ b/activesupport/lib/active_support/core_ext/string/conversions.rb @@ -32,7 +32,7 @@ class String parts.fetch(:offset, form == :utc ? 0 : nil) ) - form == :utc ? time.utc : time.getlocal + form == :utc ? time.utc : time.to_time end # Converts a string to a Date value. diff --git a/activesupport/lib/active_support/core_ext/time.rb b/activesupport/lib/active_support/core_ext/time.rb index 72c3234630..0bce632222 100644 --- a/activesupport/lib/active_support/core_ext/time.rb +++ b/activesupport/lib/active_support/core_ext/time.rb @@ -1,4 +1,5 @@ require 'active_support/core_ext/time/acts_like' require 'active_support/core_ext/time/calculations' +require 'active_support/core_ext/time/compatibility' require 'active_support/core_ext/time/conversions' require 'active_support/core_ext/time/zones' diff --git a/activesupport/lib/active_support/core_ext/time/calculations.rb b/activesupport/lib/active_support/core_ext/time/calculations.rb index 768c9a1b2c..b755726db2 100644 --- a/activesupport/lib/active_support/core_ext/time/calculations.rb +++ b/activesupport/lib/active_support/core_ext/time/calculations.rb @@ -73,6 +73,13 @@ class Time end_of_day.to_i - to_i end + # Returns the fraction of a second as a +Rational+ + # + # Time.new(2012, 8, 29, 0, 0, 0.5).sec_fraction # => (1/2) + def sec_fraction + subsec + end + # Returns a new Time where one or more of the elements have been changed according # to the +options+ parameter. The time options (<tt>:hour</tt>, <tt>:min</tt>, # <tt>:sec</tt>, <tt>:usec</tt>, <tt>:nsec</tt>) reset cascadingly, so if only diff --git a/activesupport/lib/active_support/core_ext/time/compatibility.rb b/activesupport/lib/active_support/core_ext/time/compatibility.rb new file mode 100644 index 0000000000..945319461b --- /dev/null +++ b/activesupport/lib/active_support/core_ext/time/compatibility.rb @@ -0,0 +1,5 @@ +require 'active_support/core_ext/date_and_time/compatibility' + +class Time + prepend DateAndTime::Compatibility +end |