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-rw-r--r--activesupport/lib/active_support/core_ext/module/concerning.rb3
-rw-r--r--activesupport/lib/active_support/core_ext/module/delegation.rb7
-rw-r--r--activesupport/lib/active_support/core_ext/object/blank.rb11
3 files changed, 12 insertions, 9 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/concerning.rb b/activesupport/lib/active_support/core_ext/module/concerning.rb
index 800bf213cc..7bbbf321ab 100644
--- a/activesupport/lib/active_support/core_ext/module/concerning.rb
+++ b/activesupport/lib/active_support/core_ext/module/concerning.rb
@@ -30,7 +30,6 @@ class Module
# has_many :events
#
# before_create :track_creation
- # after_destroy :track_deletion
#
# private
# def track_creation
@@ -52,7 +51,6 @@ class Module
# included do
# has_many :events
# before_create :track_creation
- # after_destroy :track_deletion
# end
#
# private
@@ -90,7 +88,6 @@ class Module
# included do
# has_many :events
# before_create :track_creation
- # after_destroy :track_deletion
# end
#
# private
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb
index a77f903db5..4310df3024 100644
--- a/activesupport/lib/active_support/core_ext/module/delegation.rb
+++ b/activesupport/lib/active_support/core_ext/module/delegation.rb
@@ -115,11 +115,8 @@ class Module
# invoice.customer_address # => 'Vimmersvej 13'
#
# If the target is +nil+ and does not respond to the delegated method a
- # +Module::DelegationError+ is raised, as with any other value. Sometimes,
- # however, it makes sense to be robust to that situation and that is the
- # purpose of the <tt>:allow_nil</tt> option: If the target is not +nil+, or it
- # is and responds to the method, everything works as usual. But if it is +nil+
- # and does not respond to the delegated method, +nil+ is returned.
+ # +Module::DelegationError+ is raised. If you wish to instead return +nil+,
+ # use the <tt>:allow_nil</tt> option.
#
# class User < ActiveRecord::Base
# has_one :profile
diff --git a/activesupport/lib/active_support/core_ext/object/blank.rb b/activesupport/lib/active_support/core_ext/object/blank.rb
index e42ad852dd..2ca431ab10 100644
--- a/activesupport/lib/active_support/core_ext/object/blank.rb
+++ b/activesupport/lib/active_support/core_ext/object/blank.rb
@@ -1,6 +1,7 @@
# frozen_string_literal: true
require "active_support/core_ext/regexp"
+require "concurrent/map"
class Object
# An object is blank if it's false, empty, or a whitespace string.
@@ -102,6 +103,9 @@ end
class String
BLANK_RE = /\A[[:space:]]*\z/
+ ENCODED_BLANKS = Concurrent::Map.new do |h, enc|
+ h[enc] = Regexp.new(BLANK_RE.source.encode(enc), BLANK_RE.options | Regexp::FIXEDENCODING)
+ end
# A string is blank if it's empty or contains whitespaces only:
#
@@ -119,7 +123,12 @@ 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.
- empty? || BLANK_RE.match?(self)
+ empty? ||
+ begin
+ BLANK_RE.match?(self)
+ rescue Encoding::CompatibilityError
+ ENCODED_BLANKS[self.encoding].match?(self)
+ end
end
end