Add frozen_string_literal: true to match Rails codebase

15 files changed, 30 insertions, 0 deletions

diff --git a/lib/action_mailbox/base.rb b/lib/action_mailbox/base.rb
index 0ae83bf691..b78110d039 100644
--- a/lib/action_mailbox/base.rb
+++ b/lib/action_mailbox/base.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_support/rescuable"
 
 require "action_mailbox/callbacks"
diff --git a/lib/action_mailbox/callbacks.rb b/lib/action_mailbox/callbacks.rb
index f1bbd0593d..c6f07d7ccf 100644
--- a/lib/action_mailbox/callbacks.rb
+++ b/lib/action_mailbox/callbacks.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_support/callbacks"
 
 module ActionMailbox
diff --git a/lib/action_mailbox/engine.rb b/lib/action_mailbox/engine.rb
index e0954e4e49..8b010826e9 100644
--- a/lib/action_mailbox/engine.rb
+++ b/lib/action_mailbox/engine.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "rails/engine"
 
 module ActionMailbox
diff --git a/lib/action_mailbox/mail_ext.rb b/lib/action_mailbox/mail_ext.rb
index abdaae4f9e..c4d277a1f9 100644
--- a/lib/action_mailbox/mail_ext.rb
+++ b/lib/action_mailbox/mail_ext.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "mail"
 
 # The hope is to upstream most of these basic additions to the Mail gem's Mail object. But until then, here they lay!
diff --git a/lib/action_mailbox/mail_ext/address_equality.rb b/lib/action_mailbox/mail_ext/address_equality.rb
index 76675365dd..69243a666e 100644
--- a/lib/action_mailbox/mail_ext/address_equality.rb
+++ b/lib/action_mailbox/mail_ext/address_equality.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Mail::Address
   def ==(other_address)
     other_address.is_a?(Mail::Address) && to_s == other_address.to_s
diff --git a/lib/action_mailbox/mail_ext/address_wrapping.rb b/lib/action_mailbox/mail_ext/address_wrapping.rb
index f41087a450..fcdfbb6f6f 100644
--- a/lib/action_mailbox/mail_ext/address_wrapping.rb
+++ b/lib/action_mailbox/mail_ext/address_wrapping.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Mail::Address
   def self.wrap(address)
     address.is_a?(Mail::Address) ? address : Mail::Address.new(address)
diff --git a/lib/action_mailbox/mail_ext/addresses.rb b/lib/action_mailbox/mail_ext/addresses.rb
index f64c3ef5df..377373bee6 100644
--- a/lib/action_mailbox/mail_ext/addresses.rb
+++ b/lib/action_mailbox/mail_ext/addresses.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Mail::Message
   def from_address
     header[:from]&.address_list&.addresses&.first
diff --git a/lib/action_mailbox/mail_ext/from_source.rb b/lib/action_mailbox/mail_ext/from_source.rb
index ddc3cbe385..17b7fc80ad 100644
--- a/lib/action_mailbox/mail_ext/from_source.rb
+++ b/lib/action_mailbox/mail_ext/from_source.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Mail
   def self.from_source(source)
     Mail.new Mail::Utilities.binary_unsafe_to_crlf(source.to_s)
diff --git a/lib/action_mailbox/mail_ext/recipients.rb b/lib/action_mailbox/mail_ext/recipients.rb
index 87255ce6ce..a8ac42d602 100644
--- a/lib/action_mailbox/mail_ext/recipients.rb
+++ b/lib/action_mailbox/mail_ext/recipients.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Mail::Message
   def recipients
     Array(to) + Array(cc) + Array(bcc) + Array(header[:x_original_to]).map(&:to_s)
diff --git a/lib/action_mailbox/router.rb b/lib/action_mailbox/router.rb
index ef55718974..0f041a8389 100644
--- a/lib/action_mailbox/router.rb
+++ b/lib/action_mailbox/router.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Encapsulates the routes that live on the ApplicationMailbox and performs the actual routing when
 # an inbound_email is received.
 class ActionMailbox::Router
diff --git a/lib/action_mailbox/router/route.rb b/lib/action_mailbox/router/route.rb
index 6472b9a31d..adb9f94c1a 100644
--- a/lib/action_mailbox/router/route.rb
+++ b/lib/action_mailbox/router/route.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 # Encapsulates a route, which can then be matched against an inbound_email and provide a lookup of the matching
 # mailbox class. See examples for the different route addresses and how to use them in the `ActionMailbox::Base`
 # documentation.
diff --git a/lib/action_mailbox/routing.rb b/lib/action_mailbox/routing.rb
index db462e6019..1ea96c8a9d 100644
--- a/lib/action_mailbox/routing.rb
+++ b/lib/action_mailbox/routing.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ActionMailbox
   # See `ActionMailbox::Base` for how to specify routing.
   module Routing
diff --git a/lib/action_mailbox/test_case.rb b/lib/action_mailbox/test_case.rb
index 1b3aec1393..a501e8a7ca 100644
--- a/lib/action_mailbox/test_case.rb
+++ b/lib/action_mailbox/test_case.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "action_mailbox/test_helper"
 require "active_support/test_case"
 
diff --git a/lib/action_mailbox/test_helper.rb b/lib/action_mailbox/test_helper.rb
index 4e4552629a..02c52fb779 100644
--- a/lib/action_mailbox/test_helper.rb
+++ b/lib/action_mailbox/test_helper.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "mail"
 
 module ActionMailbox
diff --git a/lib/action_mailbox/version.rb b/lib/action_mailbox/version.rb
index 23c615dbbd..7e6bd414e8 100644
--- a/lib/action_mailbox/version.rb
+++ b/lib/action_mailbox/version.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ActionMailbox
   VERSION = '0.1.0'
 end