Port Homebrew::DevCmd::GenerateCaskApi

Library/Homebrew/dev-cmd/generate-cask-api.rb

@@ -1,16 +1,22 @@
 # typed: true
 # frozen_string_literal: true
 
+require "abstract_command"
 require "cli/parser"
 require "cask/cask"
 require "formula"
 
 module Homebrew
-  module_function
+  module DevCmd
+    class GenerateCaskApi < AbstractCommand
+      CASK_JSON_TEMPLATE = <<~EOS
+        ---
+        layout: cask_json
+        ---
+        {{ content }}
+      EOS
 
-  sig { returns(CLI::Parser) }
+      cmd_args do
-  def generate_cask_api_args
-    Homebrew::CLI::Parser.new do
         description <<~EOS
           Generate `homebrew/cask` API data files for <#{HOMEBREW_API_WWW}>.
           The generated files are written to the current directory.
@@ -20,28 +26,9 @@ module Homebrew
 
         named_args :none
       end
-  end
-
-  CASK_JSON_TEMPLATE = <<~EOS
-    ---
-    layout: cask_json
-    ---
-    {{ content }}
-  EOS
-
-  def html_template(title)
-    <<~EOS
-      ---
-      title: #{title}
-      layout: cask
-      ---
-      {{ content }}
-    EOS
-  end
-
-  def generate_cask_api
-    args = generate_cask_api_args.parse
 
+      sig { override.void }
+      def run
         tap = CoreCaskTap.instance
         raise TapUnavailableError, tap.name unless tap.installed?
 
@@ -79,4 +66,18 @@ module Homebrew
           File.write("api/internal/v3/homebrew-cask.json", homebrew_cask_tap_json) unless args.dry_run?
         end
       end
+
+      private
+
+      def html_template(title)
+        <<~EOS
+          ---
+          title: #{title}
+          layout: cask
+          ---
+          {{ content }}
+        EOS
+      end
+    end
+  end
 end

Library/Homebrew/test/dev-cmd/generate-cask-api_spec.rb

@@ -1,7 +1,8 @@
 # frozen_string_literal: true
 
 require "cmd/shared_examples/args_parse"
+require "dev-cmd/generate-cask-api"
 
-RSpec.describe "brew generate-cask-api" do
+RSpec.describe Homebrew::DevCmd::GenerateCaskApi do
   it_behaves_like "parseable arguments"
 end