Backwards compatible with Ruby 3

.rubocop.yml

@@ -1,16 +1,19 @@
 inherit_gem:
-    rubocop-shopify: rubocop.yml
+  rubocop-shopify: rubocop.yml
 
 require:
   - rubocop-performance
   - rubocop-sorbet
 
 AllCops:
+  NewCops: disable
   TargetRubyVersion: 2.7
   UseCache: true
   CacheRootDirectory: tmp
+  SuggestExtensions: false
   Exclude:
-    - 'test/fixtures/**/*'
+    - "test/fixtures/**/*"
+    - "bin/*"
 
 Lint/UnusedMethodArgument:
   AllowUnusedKeywordArguments: true
@@ -19,13 +22,13 @@ Style/MethodCallWithArgsParentheses:
   Enabled: true
   IgnoreMacros: true
   IgnoredMethods:
-  - require
-  - require_relative
-  - require_dependency
-  - yield
-  - raise
+    - require
+    - require_relative
+    - require_dependency
+    - yield
+    - raise
   Exclude:
-  - Gemfile
+    - Gemfile
 
 Style/StringLiterals:
   EnforcedStyle: double_quotes
@@ -44,3 +47,9 @@ Sorbet/KeywordArgumentOrdering:
 
 Sorbet/ValidSigil:
   Enabled: true
+  Exclude:
+    - "test/**/*"
+
+Sorbet/FalseSigil:
+  Exclude:
+    - "test/**/*"

.ruby-version

@@ -1 +1 @@
-3.0.0
+2.7.1

Gemfile

@@ -8,7 +8,7 @@ gemspec
 # Specify the same dependency sources as the application Gemfile
 
 gem("spring")
-gem("rails", github: "rails/rails", branch: "main")
+gem("rails", "~> 5.0.7", ">= 5.0.7.2")
 gem("constant_resolver", require: false)
 gem("sorbet-runtime", require: false)
 gem("rubocop-performance", require: false)

Gemfile.lock

@@ -1,94 +1,8 @@
-GIT
-  remote: https://github.com/rails/rails.git
-  revision: d612542336d9a61381311c95a27d801bb4094779
-  branch: main
-  specs:
-    actioncable (7.0.0.alpha)
-      actionpack (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      nio4r (~> 2.0)
-      websocket-driver (>= 0.6.1)
-    actionmailbox (7.0.0.alpha)
-      actionpack (= 7.0.0.alpha)
-      activejob (= 7.0.0.alpha)
-      activerecord (= 7.0.0.alpha)
-      activestorage (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      mail (>= 2.7.1)
-    actionmailer (7.0.0.alpha)
-      actionpack (= 7.0.0.alpha)
-      actionview (= 7.0.0.alpha)
-      activejob (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      mail (~> 2.5, >= 2.5.4)
-      rails-dom-testing (~> 2.0)
-    actionpack (7.0.0.alpha)
-      actionview (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      rack (~> 2.0, >= 2.0.9)
-      rack-test (>= 0.6.3)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (7.0.0.alpha)
-      actionpack (= 7.0.0.alpha)
-      activerecord (= 7.0.0.alpha)
-      activestorage (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      nokogiri (>= 1.8.5)
-    actionview (7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      builder (~> 3.1)
-      erubi (~> 1.4)
-      rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      globalid (>= 0.3.6)
-    activemodel (7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-    activerecord (7.0.0.alpha)
-      activemodel (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-    activestorage (7.0.0.alpha)
-      actionpack (= 7.0.0.alpha)
-      activejob (= 7.0.0.alpha)
-      activerecord (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      marcel (~> 1.0.0)
-      mini_mime (~> 1.0.2)
-    activesupport (7.0.0.alpha)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-      zeitwerk (~> 2.3)
-    rails (7.0.0.alpha)
-      actioncable (= 7.0.0.alpha)
-      actionmailbox (= 7.0.0.alpha)
-      actionmailer (= 7.0.0.alpha)
-      actionpack (= 7.0.0.alpha)
-      actiontext (= 7.0.0.alpha)
-      actionview (= 7.0.0.alpha)
-      activejob (= 7.0.0.alpha)
-      activemodel (= 7.0.0.alpha)
-      activerecord (= 7.0.0.alpha)
-      activestorage (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      bundler (>= 1.15.0)
-      railties (= 7.0.0.alpha)
-      sprockets-rails (>= 2.0.0)
-    railties (7.0.0.alpha)
-      actionpack (= 7.0.0.alpha)
-      activesupport (= 7.0.0.alpha)
-      method_source
-      rake (>= 0.13)
-      thor (~> 1.0)
-
 PATH
   remote: .
   specs:
-    packwerk (1.2.0)
-      activesupport (>= 5.2)
+    packwerk (1.3.0)
+      activesupport (>= 5.0)
       ast
       better_html
       constant_resolver
@@ -99,6 +13,44 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    actioncable (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      nio4r (>= 1.2, < 3.0)
+      websocket-driver (~> 0.6.1)
+    actionmailer (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      actionview (= 5.0.7.2)
+      activejob (= 5.0.7.2)
+      mail (~> 2.5, >= 2.5.4)
+      rails-dom-testing (~> 2.0)
+    actionpack (5.0.7.2)
+      actionview (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      rack (~> 2.0)
+      rack-test (~> 0.6.3)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.2)
+    actionview (5.0.7.2)
+      activesupport (= 5.0.7.2)
+      builder (~> 3.1)
+      erubis (~> 2.7.0)
+      rails-dom-testing (~> 2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.0.3)
+    activejob (5.0.7.2)
+      activesupport (= 5.0.7.2)
+      globalid (>= 0.3.6)
+    activemodel (5.0.7.2)
+      activesupport (= 5.0.7.2)
+    activerecord (5.0.7.2)
+      activemodel (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      arel (~> 7.0)
+    activesupport (5.0.7.2)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
+    arel (7.1.4)
     ast (2.4.2)
     better_html (1.0.16)
       actionview (>= 4.0)
@@ -112,39 +64,39 @@ GEM
     byebug (11.1.3)
     coderay (1.1.3)
     colorize (0.8.1)
-    commander (4.5.2)
+    commander (4.6.0)
       highline (~> 2.0.0)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.9)
     constant_resolver (0.1.5)
     crass (1.0.6)
     erubi (1.10.0)
+    erubis (2.7.0)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     highline (2.0.3)
     html_tokenizer (0.0.7)
     i18n (1.8.10)
       concurrent-ruby (~> 1.0)
-    loofah (2.9.0)
+    loofah (2.10.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     m (1.5.1)
       method_source (>= 0.6.7)
       rake (>= 0.9.2.2)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
-    marcel (1.0.0)
     method_source (1.0.0)
-    mini_mime (1.0.3)
-    mini_portile2 (2.5.1)
+    mini_mime (1.1.0)
+    mini_portile2 (2.5.3)
     minitest (5.14.4)
-    minitest-focus (1.2.1)
+    minitest-focus (1.3.1)
       minitest (>= 4, < 6)
     mocha (1.12.0)
     nio4r (2.5.7)
-    nokogiri (1.11.5)
+    nokogiri (1.11.7)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    nokogiri (1.11.5-x86_64-darwin)
+    nokogiri (1.11.7-x86_64-darwin)
       racc (~> 1.4)
     parallel (1.20.1)
     parlour (6.0.0)
@@ -154,23 +106,41 @@ GEM
       sorbet-runtime (>= 0.5)
     parser (3.0.0.0)
       ast (~> 2.4.1)
-    pry (0.14.0)
+    pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
     racc (1.5.2)
     rack (2.2.3)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rails (5.0.7.2)
+      actioncable (= 5.0.7.2)
+      actionmailer (= 5.0.7.2)
+      actionpack (= 5.0.7.2)
+      actionview (= 5.0.7.2)
+      activejob (= 5.0.7.2)
+      activemodel (= 5.0.7.2)
+      activerecord (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      bundler (>= 1.3.0)
+      railties (= 5.0.7.2)
+      sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.3.0)
       loofah (~> 2.3)
+    railties (5.0.7.2)
+      actionpack (= 5.0.7.2)
+      activesupport (= 5.0.7.2)
+      method_source
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
     rainbow (3.0.0)
     rake (13.0.3)
     regexp_parser (2.1.1)
     rexml (3.2.5)
-    rubocop (1.12.0)
+    rubocop (1.13.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -181,12 +151,12 @@ GEM
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.4.1)
       parser (>= 2.7.1.5)
-    rubocop-performance (1.10.2)
-      rubocop (>= 0.90.0, < 2.0)
+    rubocop-performance (1.11.3)
+      rubocop (>= 1.7.0, < 2.0)
       rubocop-ast (>= 0.4.0)
-    rubocop-shopify (2.0.1)
-      rubocop (~> 1.11)
-    rubocop-sorbet (0.6.1)
+    rubocop-shopify (2.1.0)
+      rubocop (~> 1.13)
+    rubocop-sorbet (0.6.2)
       rubocop
     ruby-progressbar (1.11.0)
     smart_properties (1.15.0)
@@ -201,7 +171,7 @@ GEM
     sorbet-static (0.5.6360-universal-darwin-19)
     sorbet-static (0.5.6360-universal-darwin-20)
     sorbet-static (0.5.6360-x86_64-linux)
-    spoom (1.1.0)
+    spoom (1.1.1)
       colorize
       sorbet (>= 0.5.6347)
       sorbet-runtime
@@ -214,7 +184,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    tapioca (0.4.19)
+    tapioca (0.4.23)
       bundler (>= 1.17.3)
       parlour (>= 2.1.0)
       pry (>= 0.12.2)
@@ -223,13 +193,13 @@ GEM
       spoom
       thor (>= 0.19.2)
     thor (1.1.0)
-    tzinfo (2.0.4)
-      concurrent-ruby (~> 1.0)
+    thread_safe (0.3.6)
+    tzinfo (1.2.9)
+      thread_safe (~> 0.1)
     unicode-display_width (2.0.0)
-    websocket-driver (0.7.3)
+    websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    zeitwerk (2.4.2)
 
 PLATFORMS
   ruby
@@ -243,7 +213,7 @@ DEPENDENCIES
   minitest-focus
   mocha
   packwerk!
-  rails!
+  rails (~> 5.0.7, >= 5.0.7.2)
   rake
   rubocop-performance
   rubocop-shopify

lib/packwerk.rb

@@ -20,6 +20,7 @@ module Packwerk
   autoload :ConstNodeInspector
   autoload :DependencyChecker
   autoload :DeprecatedReferences
+  autoload :ExtractLoadableConstantDefinitions
   autoload :FileProcessor
   autoload :FilesForProcessing
   autoload :Graph
@@ -40,10 +41,14 @@ module Packwerk
   autoload :Reference
   autoload :ReferenceExtractor
   autoload :ReferenceOffense
+  autoload :ResolveConstantDefinitions
   autoload :Result
   autoload :RunContext
-  autoload :Version
   autoload :ViolationType
+  autoload :Version
+  autoload :ZeitwerkOffense
+  autoload :ZeitwerkValidationRun
+  autoload :ZeitwerkViolations
 
   module Inflections
     extend ActiveSupport::Autoload