Port Homebrew::Cmd::Docs

Library/Homebrew/cmd/docs.rb

@@ -1,22 +1,21 @@
 # typed: strict
 # frozen_string_literal: true
 
-require "cli/parser"
+require "abstract_command"
 
 module Homebrew
-  module_function
+  module Cmd
+    class Docs < AbstractCommand
+      cmd_args do
+        description <<~EOS
+          Open Homebrew's online documentation at <#{HOMEBREW_DOCS_WWW}> in a browser.
+        EOS
+      end
 
-  sig { returns(CLI::Parser) }
+      sig { override.void }
-  def docs_args
+      def run
-    Homebrew::CLI::Parser.new do
+        exec_browser HOMEBREW_DOCS_WWW
-      description <<~EOS
+      end
-        Open Homebrew's online documentation at <#{HOMEBREW_DOCS_WWW}> in a browser.
-      EOS
     end
   end
-
-  sig { void }
-  def docs
-    exec_browser HOMEBREW_DOCS_WWW
-  end
 end

Library/Homebrew/test/cmd/docs_spec.rb

@@ -1,6 +1,11 @@
 # frozen_string_literal: true
 
-RSpec.describe "brew docs" do
+require "cmd/docs"
+require "cmd/shared_examples/args_parse"
+
+RSpec.describe Homebrew::Cmd::Docs do
+  it_behaves_like "parseable arguments"
+
   it "opens the docs page", :integration_test do
     expect { brew "docs", "HOMEBREW_BROWSER" => "echo" }
       .to output("https://docs.brew.sh\n").to_stdout