Modernize gem.

.github/workflows/rubocop.yaml

@@ -1,4 +1,4 @@
-name: Test External
+name: RuboCop
 
 on: [push, pull_request]
 
@@ -9,26 +9,14 @@ env:
   CONSOLE_OUTPUT: XTerm
 
 jobs:
-  test:
-    name: ${{matrix.ruby}} on ${{matrix.os}}
-    runs-on: ${{matrix.os}}-latest
-
-    strategy:
-      matrix:
-        os:
-          - ubuntu
-          - macos
-
-        ruby:
-          - "3.1"
-          - "3.2"
-          - "3.3"
+  check:
+    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v4
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: ${{matrix.ruby}}
+        ruby-version: ruby
         bundler-cache: true
 
     - name: Run RuboCop

.github/workflows/test-coverage.yaml

@@ -33,8 +33,8 @@ jobs:
     - name: Run tests
       timeout-minutes: 5
       run: bundle exec bake test
-
-    - uses: actions/upload-artifact@v3
+    
+    - uses: actions/upload-artifact@v4
       with:
         name: coverage-${{matrix.os}}-${{matrix.ruby}}
         path: .covered.db
@@ -50,7 +50,7 @@ jobs:
         ruby-version: "3.3"
         bundler-cache: true
 
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
 
     - name: Validate coverage
       timeout-minutes: 5

.rubocop.yml

@@ -16,6 +16,9 @@ Layout/IndentationConsistency:
   Enabled: true
   EnforcedStyle: normal
 
+Layout/BlockAlignment:
+  Enabled: true
+
 Layout/EndAlignment:
   Enabled: true
   EnforcedStyleAlignWith: start_of_line
@@ -44,3 +47,7 @@ Layout/EmptyLinesAroundModuleBody:
 
 Style/FrozenStringLiteralComment:
   Enabled: true
+
+Style/StringLiterals:
+  Enabled: true
+  EnforcedStyle: double_quotes

async-websocket.gemspec

@@ -10,8 +10,8 @@ Gem::Specification.new do |spec|
 	spec.authors = ["Samuel Williams", "Simon Crocker", "Olle Jonsson", "Thomas Morgan", "Aurora Nockert", "Bryan Powell", "Emily Love Mills", "Gleb Sinyavskiy", "Janko Marohnić", "Juan Antonio Martín Lucas", "Michel Boaventura", "Peter Runich", "Ryu Sato"]
 	spec.license = "MIT"
 
-	spec.cert_chain  = ['release.cert']
-	spec.signing_key = File.expand_path('~/.gem/release.pem')
+	spec.cert_chain  = ["release.cert"]
+	spec.signing_key = File.expand_path("~/.gem/release.pem")
 
 	spec.homepage = "https://github.com/socketry/async-websocket"
 
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
 		"source_code_uri" => "https://github.com/socketry/async-websocket.git",
 	}
 
-	spec.files = Dir.glob(['{lib}/**/*', '*.md'], File::FNM_DOTMATCH, base: __dir__)
+	spec.files = Dir.glob(["{lib}/**/*", "*.md"], File::FNM_DOTMATCH, base: __dir__)
 
 	spec.required_ruby_version = ">= 3.1"
 

config/sus.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2022, by Samuel Williams.
+# Copyright, 2022-2024, by Samuel Williams.
 
-require 'covered/sus'
+require "covered/sus"
 include Covered::Sus

examples/binance/client.rb

@@ -4,9 +4,9 @@
 # Released under the MIT License.
 # Copyright, 2021-2024, by Samuel Williams.
 
-require 'async'
-require 'async/http'
-require 'async/websocket'
+require "async"
+require "async/http"
+require "async/websocket"
 
 URL = "wss://stream.binance.com:9443/ws/btcusdt@bookTicker"
 

examples/chat/client.rb

@@ -4,9 +4,9 @@
 # Released under the MIT License.
 # Copyright, 2018-2024, by Samuel Williams.
 
-require 'async'
-require 'async/http/endpoint'
-require_relative '../../lib/async/websocket/client'
+require "async"
+require "async/http/endpoint"
+require_relative "../../lib/async/websocket/client"
 
 USER = ARGV.pop || "anonymous"
 URL = ARGV.pop || "https://localhost:8080"

examples/chat/config.ru

@@ -1,11 +1,11 @@
 #!/usr/bin/env -S falcon serve --bind https://localhost:8080 --count 1 -c
 # frozen_string_literal: true
 
-require_relative '../../lib/async/websocket/adapters/rack'
-require 'async/clock'
-require 'async/semaphore'
+require_relative "../../lib/async/websocket/adapters/rack"
+require "async/clock"
+require "async/semaphore"
 
-require 'set'
+require "set"
 
 # GC.disable
 
@@ -70,7 +70,7 @@ class Room
 	end
 
 	def start_profile
-		require 'ruby-prof' unless defined?(RubyProf)
+		require "ruby-prof" unless defined?(RubyProf)
 
 		return false if @profile
 

examples/chat/multi-client.rb

@@ -4,13 +4,13 @@
 # Released under the MIT License.
 # Copyright, 2019-2024, by Samuel Williams.
 
-require 'async'
-require 'async/semaphore'
-require 'async/clock'
-require 'async/http/endpoint'
-require_relative '../../lib/async/websocket/client'
+require "async"
+require "async/semaphore"
+require "async/clock"
+require "async/http/endpoint"
+require_relative "../../lib/async/websocket/client"
 
-require 'samovar'
+require "samovar"
 
 # GC.disable
 GC::Profiler.enable

examples/mud/client.rb

@@ -5,9 +5,9 @@
 # Copyright, 2019-2024, by Samuel Williams.
 # Copyright, 2020, by Juan Antonio Martín Lucas.
 
-require 'async'
-require 'async/http/endpoint'
-require 'async/websocket/client'
+require "async"
+require "async/http/endpoint"
+require "async/websocket/client"
 
 USER = ARGV.pop || "anonymous"
 URL = ARGV.pop || "http://127.0.0.1:7070"

examples/mud/config.ru

@@ -1,7 +1,7 @@
 #!/usr/bin/env -S falcon serve --count 1 --bind http://127.0.0.1:7070 -c
 # frozen_string_literal: true
 
-require 'async/websocket/adapters/rack'
+require "async/websocket/adapters/rack"
 
 class Room
 	def initialize(name, description = nil)

examples/rack/client.rb

@@ -4,9 +4,9 @@
 # Released under the MIT License.
 # Copyright, 2019-2024, by Samuel Williams.
 
-require 'async'
-require 'async/http/endpoint'
-require 'async/websocket/client'
+require "async"
+require "async/http/endpoint"
+require "async/websocket/client"
 
 URL = ARGV.pop || "http://127.0.0.1:7070"
 

examples/rack/config.ru

@@ -1,7 +1,7 @@
 #!/usr/bin/env -S falcon serve --bind http://127.0.0.1:7070 --count 1 -c
 # frozen_string_literal: true
 
-require 'async/websocket/adapters/rack'
+require "async/websocket/adapters/rack"
 
 app = lambda do |env|
 	response = Async::WebSocket::Adapters::Rack.open(env) do |connection|

fixtures/async/websocket/rack_application.rb

@@ -3,16 +3,16 @@
 # Released under the MIT License.
 # Copyright, 2022-2024, by Samuel Williams.
 
-require 'sus/fixtures/async/http/server_context'
-require 'protocol/rack/adapter'
+require "sus/fixtures/async/http/server_context"
+require "protocol/rack/adapter"
 
 module Async
 	module WebSocket
 		module RackApplication
 			include Sus::Fixtures::Async::HTTP::ServerContext
 
 			def builder
-				Rack::Builder.parse_file(File.expand_path('rack_application/config.ru', __dir__))
+				Rack::Builder.parse_file(File.expand_path("rack_application/config.ru", __dir__))
 			end
 
 			def app

fixtures/async/websocket/rack_application/config.ru

@@ -1,8 +1,8 @@
 #!/usr/bin/env -S falcon serve --bind http://localhost:7070 --count 1 -c
 # frozen_string_literal: true
 
-require 'async/websocket/adapters/rack'
-require 'set'
+require "async/websocket/adapters/rack"
+require "set"
 
 $connections = Set.new
 
@@ -26,7 +26,7 @@ end
 use ClosedLogger
 
 run do |env|
-	Async::WebSocket::Adapters::Rack.open(env, protocols: ['ws']) do |connection|
+	Async::WebSocket::Adapters::Rack.open(env, protocols: ["ws"]) do |connection|
 		$connections << connection
 
 		begin

gems.rb

@@ -3,7 +3,7 @@
 # Released under the MIT License.
 # Copyright, 2015-2024, by Samuel Williams.
 
-source 'https://rubygems.org'
+source "https://rubygems.org"
 
 gemspec
 

lib/async/websocket.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2015-2023, by Samuel Williams.
+# Copyright, 2015-2024, by Samuel Williams.
 
-require_relative 'websocket/version'
-require_relative 'websocket/server'
-require_relative 'websocket/client'
+require_relative "websocket/version"
+require_relative "websocket/server"
+require_relative "websocket/client"

lib/async/websocket/adapters/http.rb

@@ -1,13 +1,13 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2021-2023, by Samuel Williams.
+# Copyright, 2021-2024, by Samuel Williams.
 # Copyright, 2021, by Aurora Nockert.
 
-require_relative '../connection'
-require_relative '../response'
+require_relative "../connection"
+require_relative "../response"
 
-require 'protocol/websocket/extensions'
+require "protocol/websocket/extensions"
 
 module Async
 	module WebSocket

lib/async/websocket/adapters/rack.rb

@@ -1,11 +1,11 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2019-2022, by Samuel Williams.
+# Copyright, 2019-2024, by Samuel Williams.
 
-require_relative 'http'
-require 'protocol/rack/request'
-require 'protocol/rack/adapter'
+require_relative "http"
+require "protocol/rack/request"
+require "protocol/rack/adapter"
 
 module Async
 	module WebSocket

lib/async/websocket/adapters/rails.rb

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2021-2023, by Samuel Williams.
+# Copyright, 2021-2024, by Samuel Williams.
 # Copyright, 2023, by Emily Love Mills.
 
-require_relative 'rack'
+require_relative "rack"
 
 module Async
 	module WebSocket

lib/async/websocket/client.rb

@@ -6,16 +6,16 @@
 # Copyright, 2019, by Janko Marohnić.
 # Copyright, 2023, by Thomas Morgan.
 
-require_relative 'request'
-require_relative 'connection'
+require_relative "request"
+require_relative "connection"
 
-require 'protocol/websocket/headers'
-require 'protocol/websocket/extensions'
-require 'protocol/http/middleware'
+require "protocol/websocket/headers"
+require "protocol/websocket/extensions"
+require "protocol/http/middleware"
 
-require 'async/http/client'
+require "async/http/client"
 
-require 'delegate'
+require "delegate"
 
 module Async
 	module WebSocket

lib/async/websocket/connect_request.rb

@@ -1,15 +1,15 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2019-2023, by Samuel Williams.
+# Copyright, 2019-2024, by Samuel Williams.
 # Copyright, 2023, by Thomas Morgan.
 
-require 'protocol/http/request'
-require 'protocol/http/headers'
-require 'protocol/websocket/headers'
-require 'protocol/http/body/readable'
+require "protocol/http/request"
+require "protocol/http/headers"
+require "protocol/websocket/headers"
+require "protocol/http/body/readable"
 
-require 'async/variable'
+require "async/variable"
 
 module Async
 	module WebSocket
@@ -75,7 +75,7 @@ def initialize(request, protocols: [], version: 13, &block)
 				headers.add(SEC_WEBSOCKET_VERSION, String(version))
 
 				if protocols.any?
-					headers.add(SEC_WEBSOCKET_PROTOCOL, protocols.join(','))
+					headers.add(SEC_WEBSOCKET_PROTOCOL, protocols.join(","))
 				end
 
 				super(request.scheme, request.authority, ::Protocol::HTTP::Methods::CONNECT, request.path, nil, headers, body, PROTOCOL)

lib/async/websocket/connect_response.rb

@@ -1,10 +1,10 @@
 # frozen_string_literal: true
 
 # Released under the MIT License.
-# Copyright, 2019-2023, by Samuel Williams.
+# Copyright, 2019-2024, by Samuel Williams.
 
-require 'protocol/http/response'
-require 'async/http/body/hijack'
+require "protocol/http/response"
+require "async/http/body/hijack"
 
 module Async
 	module WebSocket