Merge pull request #29540 from kirs/rubocop-frozen-string

Enforce frozen string in Rubocop

52 files changed, 52 insertions, 0 deletions

diff --git a/activemodel/lib/active_model.rb b/activemodel/lib/active_model.rb
index a2892e9ea9..1f090bad17 100644
--- a/activemodel/lib/active_model.rb
+++ b/activemodel/lib/active_model.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 #--
 # Copyright (c) 2004-2017 David Heinemeier Hansson
 #
diff --git a/activemodel/lib/active_model/attribute_methods.rb b/activemodel/lib/active_model/attribute_methods.rb
index b3b39bf7ae..c87fd64a10 100644
--- a/activemodel/lib/active_model/attribute_methods.rb
+++ b/activemodel/lib/active_model/attribute_methods.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "concurrent/map"
 require "mutex_m"
 
diff --git a/activemodel/lib/active_model/callbacks.rb b/activemodel/lib/active_model/callbacks.rb
index 835e6f7716..3bc2fed7cf 100644
--- a/activemodel/lib/active_model/callbacks.rb
+++ b/activemodel/lib/active_model/callbacks.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/array/extract_options"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/conversion.rb b/activemodel/lib/active_model/conversion.rb
index 12687c70d3..fc0c499f14 100644
--- a/activemodel/lib/active_model/conversion.rb
+++ b/activemodel/lib/active_model/conversion.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   # == Active \Model \Conversion
   #
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb
index dc81f74779..4dfa312223 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/hash_with_indifferent_access"
 require "active_support/core_ext/object/duplicable"
 
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index 942b4fa9bb..52e1a46bfc 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/array/conversions"
 require "active_support/core_ext/string/inflections"
 require "active_support/core_ext/object/deep_dup"
diff --git a/activemodel/lib/active_model/forbidden_attributes_protection.rb b/activemodel/lib/active_model/forbidden_attributes_protection.rb
index 45ab8a2ca1..37a16863d7 100644
--- a/activemodel/lib/active_model/forbidden_attributes_protection.rb
+++ b/activemodel/lib/active_model/forbidden_attributes_protection.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   # Raised when forbidden attributes are used for mass assignment.
   #
diff --git a/activemodel/lib/active_model/gem_version.rb b/activemodel/lib/active_model/gem_version.rb
index 67bdfaa643..e257b0de71 100644
--- a/activemodel/lib/active_model/gem_version.rb
+++ b/activemodel/lib/active_model/gem_version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   # Returns the version of the currently loaded \Active \Model as a <tt>Gem::Version</tt>
   def self.gem_version
diff --git a/activemodel/lib/active_model/lint.rb b/activemodel/lib/active_model/lint.rb
index 291a545528..4120d769c9 100644
--- a/activemodel/lib/active_model/lint.rb
+++ b/activemodel/lib/active_model/lint.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Lint
     # == Active \Model \Lint \Tests
diff --git a/activemodel/lib/active_model/model.rb b/activemodel/lib/active_model/model.rb
index 945a5402a3..234e479b35 100644
--- a/activemodel/lib/active_model/model.rb
+++ b/activemodel/lib/active_model/model.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   # == Active \Model \Basic \Model
   #
diff --git a/activemodel/lib/active_model/naming.rb b/activemodel/lib/active_model/naming.rb
index 9ac56526a2..b32c90884e 100644
--- a/activemodel/lib/active_model/naming.rb
+++ b/activemodel/lib/active_model/naming.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/hash/except"
 require "active_support/core_ext/module/introspection"
 require "active_support/core_ext/module/remove_method"
diff --git a/activemodel/lib/active_model/railtie.rb b/activemodel/lib/active_model/railtie.rb
index 1671eb7bd4..f7666d201a 100644
--- a/activemodel/lib/active_model/railtie.rb
+++ b/activemodel/lib/active_model/railtie.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model"
 require "rails"
 
diff --git a/activemodel/lib/active_model/secure_password.rb b/activemodel/lib/active_model/secure_password.rb
index 1c0fe92bc0..d1dc833f83 100644
--- a/activemodel/lib/active_model/secure_password.rb
+++ b/activemodel/lib/active_model/secure_password.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module SecurePassword
     extend ActiveSupport::Concern
diff --git a/activemodel/lib/active_model/serialization.rb b/activemodel/lib/active_model/serialization.rb
index 77834f26fc..3151c46828 100644
--- a/activemodel/lib/active_model/serialization.rb
+++ b/activemodel/lib/active_model/serialization.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/hash/except"
 require "active_support/core_ext/hash/slice"
 
diff --git a/activemodel/lib/active_model/serializers/json.rb b/activemodel/lib/active_model/serializers/json.rb
index 205b84ddb4..3d453cd829 100644
--- a/activemodel/lib/active_model/serializers/json.rb
+++ b/activemodel/lib/active_model/serializers/json.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/json"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/translation.rb b/activemodel/lib/active_model/translation.rb
index 35fc7cf743..7d8fe1717c 100644
--- a/activemodel/lib/active_model/translation.rb
+++ b/activemodel/lib/active_model/translation.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   # == Active \Model \Translation
   #
diff --git a/activemodel/lib/active_model/type.rb b/activemodel/lib/active_model/type.rb
index 095801d8f0..3d8c0a00ce 100644
--- a/activemodel/lib/active_model/type.rb
+++ b/activemodel/lib/active_model/type.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model/type/helpers"
 require "active_model/type/value"
 
diff --git a/activemodel/lib/active_model/type/big_integer.rb b/activemodel/lib/active_model/type/big_integer.rb
index 3b629682fe..90734cb2fa 100644
--- a/activemodel/lib/active_model/type/big_integer.rb
+++ b/activemodel/lib/active_model/type/big_integer.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model/type/integer"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/type/binary.rb b/activemodel/lib/active_model/type/binary.rb
index 819e4e4a96..37da9deb43 100644
--- a/activemodel/lib/active_model/type/binary.rb
+++ b/activemodel/lib/active_model/type/binary.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class Binary < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/boolean.rb b/activemodel/lib/active_model/type/boolean.rb
index f2a47370a3..120aca8c6a 100644
--- a/activemodel/lib/active_model/type/boolean.rb
+++ b/activemodel/lib/active_model/type/boolean.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     # == Active \Model \Type \Boolean
diff --git a/activemodel/lib/active_model/type/date.rb b/activemodel/lib/active_model/type/date.rb
index eefd080351..e17fe1047a 100644
--- a/activemodel/lib/active_model/type/date.rb
+++ b/activemodel/lib/active_model/type/date.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class Date < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/date_time.rb b/activemodel/lib/active_model/type/date_time.rb
index 5cb0077e45..325ab13375 100644
--- a/activemodel/lib/active_model/type/date_time.rb
+++ b/activemodel/lib/active_model/type/date_time.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class DateTime < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/decimal.rb b/activemodel/lib/active_model/type/decimal.rb
index e6805c5f6b..388d41e7ff 100644
--- a/activemodel/lib/active_model/type/decimal.rb
+++ b/activemodel/lib/active_model/type/decimal.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "bigdecimal/util"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/type/float.rb b/activemodel/lib/active_model/type/float.rb
index 4d0d2771a0..00cef09cca 100644
--- a/activemodel/lib/active_model/type/float.rb
+++ b/activemodel/lib/active_model/type/float.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class Float < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/helpers.rb b/activemodel/lib/active_model/type/helpers.rb
index 82cd9ebe98..3d039b7530 100644
--- a/activemodel/lib/active_model/type/helpers.rb
+++ b/activemodel/lib/active_model/type/helpers.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model/type/helpers/accepts_multiparameter_time"
 require "active_model/type/helpers/numeric"
 require "active_model/type/helpers/mutable"
diff --git a/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb b/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb
index f783d286c5..69405f8e0a 100644
--- a/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb
+++ b/activemodel/lib/active_model/type/helpers/accepts_multiparameter_time.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     module Helpers # :nodoc: all
diff --git a/activemodel/lib/active_model/type/helpers/mutable.rb b/activemodel/lib/active_model/type/helpers/mutable.rb
index f3a17a1698..61569f1e7b 100644
--- a/activemodel/lib/active_model/type/helpers/mutable.rb
+++ b/activemodel/lib/active_model/type/helpers/mutable.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     module Helpers # :nodoc: all
diff --git a/activemodel/lib/active_model/type/helpers/numeric.rb b/activemodel/lib/active_model/type/helpers/numeric.rb
index 275822b738..363115632f 100644
--- a/activemodel/lib/active_model/type/helpers/numeric.rb
+++ b/activemodel/lib/active_model/type/helpers/numeric.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     module Helpers # :nodoc: all
diff --git a/activemodel/lib/active_model/type/helpers/time_value.rb b/activemodel/lib/active_model/type/helpers/time_value.rb
index 53cf7c6029..c99addc642 100644
--- a/activemodel/lib/active_model/type/helpers/time_value.rb
+++ b/activemodel/lib/active_model/type/helpers/time_value.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/time/zones"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/type/immutable_string.rb b/activemodel/lib/active_model/type/immutable_string.rb
index 58268540e5..06abd8a13f 100644
--- a/activemodel/lib/active_model/type/immutable_string.rb
+++ b/activemodel/lib/active_model/type/immutable_string.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class ImmutableString < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/integer.rb b/activemodel/lib/active_model/type/integer.rb
index 106b5d966c..0cd0e7f371 100644
--- a/activemodel/lib/active_model/type/integer.rb
+++ b/activemodel/lib/active_model/type/integer.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class Integer < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/registry.rb b/activemodel/lib/active_model/type/registry.rb
index 2d5dd366eb..15732d1bbd 100644
--- a/activemodel/lib/active_model/type/registry.rb
+++ b/activemodel/lib/active_model/type/registry.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   # :stopdoc:
   module Type
diff --git a/activemodel/lib/active_model/type/string.rb b/activemodel/lib/active_model/type/string.rb
index 850cab962b..d6e330bdba 100644
--- a/activemodel/lib/active_model/type/string.rb
+++ b/activemodel/lib/active_model/type/string.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model/type/immutable_string"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/type/time.rb b/activemodel/lib/active_model/type/time.rb
index 54d6214e81..8cf7078ff3 100644
--- a/activemodel/lib/active_model/type/time.rb
+++ b/activemodel/lib/active_model/type/time.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class Time < Value # :nodoc:
diff --git a/activemodel/lib/active_model/type/value.rb b/activemodel/lib/active_model/type/value.rb
index 7e9ae92245..b56c8b48f5 100644
--- a/activemodel/lib/active_model/type/value.rb
+++ b/activemodel/lib/active_model/type/value.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Type
     class Value
diff --git a/activemodel/lib/active_model/validations.rb b/activemodel/lib/active_model/validations.rb
index ae1d69f685..a684277127 100644
--- a/activemodel/lib/active_model/validations.rb
+++ b/activemodel/lib/active_model/validations.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/array/extract_options"
 require "active_support/core_ext/hash/keys"
 require "active_support/core_ext/hash/except"
diff --git a/activemodel/lib/active_model/validations/absence.rb b/activemodel/lib/active_model/validations/absence.rb
index 4618f46e30..f09f89bff2 100644
--- a/activemodel/lib/active_model/validations/absence.rb
+++ b/activemodel/lib/active_model/validations/absence.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     # == \Active \Model Absence Validator
diff --git a/activemodel/lib/active_model/validations/acceptance.rb b/activemodel/lib/active_model/validations/acceptance.rb
index a26c37daa5..32b8d9567e 100644
--- a/activemodel/lib/active_model/validations/acceptance.rb
+++ b/activemodel/lib/active_model/validations/acceptance.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     class AcceptanceValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/callbacks.rb b/activemodel/lib/active_model/validations/callbacks.rb
index 4e94422cf1..f4e10ce918 100644
--- a/activemodel/lib/active_model/validations/callbacks.rb
+++ b/activemodel/lib/active_model/validations/callbacks.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     # == Active \Model \Validation \Callbacks
diff --git a/activemodel/lib/active_model/validations/clusivity.rb b/activemodel/lib/active_model/validations/clusivity.rb
index 18f1056e2b..081c69a7f7 100644
--- a/activemodel/lib/active_model/validations/clusivity.rb
+++ b/activemodel/lib/active_model/validations/clusivity.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/range"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/validations/confirmation.rb b/activemodel/lib/active_model/validations/confirmation.rb
index 03585bf5e1..88930ea0cd 100644
--- a/activemodel/lib/active_model/validations/confirmation.rb
+++ b/activemodel/lib/active_model/validations/confirmation.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     class ConfirmationValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/exclusion.rb b/activemodel/lib/active_model/validations/exclusion.rb
index b7156ba802..1442f89002 100644
--- a/activemodel/lib/active_model/validations/exclusion.rb
+++ b/activemodel/lib/active_model/validations/exclusion.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model/validations/clusivity"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/validations/format.rb b/activemodel/lib/active_model/validations/format.rb
index 98b3f6a8e5..01ea49c4d6 100644
--- a/activemodel/lib/active_model/validations/format.rb
+++ b/activemodel/lib/active_model/validations/format.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     class FormatValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/helper_methods.rb b/activemodel/lib/active_model/validations/helper_methods.rb
index 2176115334..14236dcf41 100644
--- a/activemodel/lib/active_model/validations/helper_methods.rb
+++ b/activemodel/lib/active_model/validations/helper_methods.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     module HelperMethods # :nodoc:
diff --git a/activemodel/lib/active_model/validations/inclusion.rb b/activemodel/lib/active_model/validations/inclusion.rb
index c6c5bae649..7ca8696951 100644
--- a/activemodel/lib/active_model/validations/inclusion.rb
+++ b/activemodel/lib/active_model/validations/inclusion.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_model/validations/clusivity"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/validations/length.rb b/activemodel/lib/active_model/validations/length.rb
index 940c58f3a7..e77a9e4f4c 100644
--- a/activemodel/lib/active_model/validations/length.rb
+++ b/activemodel/lib/active_model/validations/length.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     class LengthValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/numericality.rb b/activemodel/lib/active_model/validations/numericality.rb
index fb053a4c4e..53a7287ec6 100644
--- a/activemodel/lib/active_model/validations/numericality.rb
+++ b/activemodel/lib/active_model/validations/numericality.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     class NumericalityValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/presence.rb b/activemodel/lib/active_model/validations/presence.rb
index ce4106a5e1..82f9ea0c9c 100644
--- a/activemodel/lib/active_model/validations/presence.rb
+++ b/activemodel/lib/active_model/validations/presence.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module ActiveModel
   module Validations
     class PresenceValidator < EachValidator # :nodoc:
diff --git a/activemodel/lib/active_model/validations/validates.rb b/activemodel/lib/active_model/validations/validates.rb
index a8b958e974..45a7007c45 100644
--- a/activemodel/lib/active_model/validations/validates.rb
+++ b/activemodel/lib/active_model/validations/validates.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/hash/slice"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/validations/with.rb b/activemodel/lib/active_model/validations/with.rb
index 9227dd06ff..b485846c6d 100644
--- a/activemodel/lib/active_model/validations/with.rb
+++ b/activemodel/lib/active_model/validations/with.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/array/extract_options"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/validator.rb b/activemodel/lib/active_model/validator.rb
index 6c11981e1d..976cf56a5e 100644
--- a/activemodel/lib/active_model/validator.rb
+++ b/activemodel/lib/active_model/validator.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "active_support/core_ext/module/anonymous"
 
 module ActiveModel
diff --git a/activemodel/lib/active_model/version.rb b/activemodel/lib/active_model/version.rb
index 6e7fd227fd..09667cf425 100644
--- a/activemodel/lib/active_model/version.rb
+++ b/activemodel/lib/active_model/version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require_relative "gem_version"
 
 module ActiveModel