fix parse logic

Gemfile.lock

@@ -18,6 +18,7 @@ PATH
   remote: .
   specs:
     packwerk_yard (0.1.0)
+      parser
       yard
 
 GEM

lib/packwerk_yard/parser.rb

@@ -4,6 +4,10 @@ module PackwerkYard
   class Parser # rubocop:disable Style/Documentation
     include Packwerk::FileParser
 
+    # Array Syntax e.g. Array<String>
+    ARRAY_REGEXP = /Array<(.+)>/.freeze
+    private_constant :ARRAY_REGEXP
+
     def initialize(ruby_parser: Packwerk::Parsers::Ruby.new)
       @ruby_parser = ruby_parser
     end
@@ -41,6 +45,7 @@ def extract_from_yard_to_types(source_code)
     end
 
     def to_constant(name)
+      name = Regexp.last_match(1) if name =~ ARRAY_REGEXP
       Object.const_get(name)
     rescue NameError
       nil

packwerk_yard.gemspec

@@ -18,6 +18,7 @@ Gem::Specification.new do |spec|
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = "https://github.com/euglena1215/packwerk-yard"
   spec.metadata["changelog_uri"] = "https://github.com/euglena1215/packwerk-yard/blob/main/CHANGELOG.md"
+  spec.metadata["rubygems_mfa_required"] = "true"
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
@@ -32,5 +33,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "yard"
-  spec.metadata["rubygems_mfa_required"] = "true"
+  spec.add_dependency "parser"
 end