style: add standardrb

Gemfile

@@ -1,44 +1,25 @@
-source 'https://rubygems.org'
+source "https://rubygems.org"
 git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
-ruby '2.7.1'
+ruby "2.7.1"
 
-# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 6.0.3', '>= 6.0.3.3'
-# Use postgresql as the database for Active Record
-gem 'pg', '>= 0.18', '< 2.0'
-# Use Puma as the app server
-gem 'puma', '~> 4.1'
-# Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
-gem 'webpacker', '~> 5.2'
-# Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
-gem 'turbolinks', '~> 5'
-# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.7'
-# Use Redis adapter to run Action Cable in production
+gem "bootsnap", ">= 1.4.2", require: false
+gem "jbuilder", "~> 2.7"
+gem "pg", ">= 0.18", "< 2.0"
+gem "puma", "~> 4.1"
+gem "rails", "~> 6.0.3", ">= 6.0.3.3"
 # gem 'redis', '~> 4.0'
-# Use Active Model has_secure_password
-# gem 'bcrypt', '~> 3.1.7'
-
-# Use Active Storage variant
-# gem 'image_processing', '~> 1.2'
-
-# Reduces boot times through caching; required in config/boot.rb
-gem 'bootsnap', '>= 1.4.2', require: false
+gem "turbolinks", "~> 5"
+gem "webpacker", "~> 5.2"
 
 group :development, :test do
-  # Call 'byebug' anywhere in the code to stop execution and get a debugger console
-  gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
+  gem "byebug", platforms: [:mri, :mingw, :x64_mingw]
 end
 
 group :development do
-  # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
-  gem 'web-console', '>= 3.3.0'
-  gem 'listen', '~> 3.2'
-  # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring
-  gem 'spring'
-  gem 'spring-watcher-listen', '~> 2.0.0'
+  gem "standard", "~> 0.6"
+  gem "web-console", ">= 3.3.0"
+  gem "listen", "~> 3.2"
 end
 
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+gem "tzinfo-data", platforms: [:mingw, :mswin, :x64_mingw, :jruby]

Gemfile.lock

@@ -56,6 +56,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
+    ast (2.4.1)
     bindex (0.8.1)
     bootsnap (1.4.8)
       msgpack (~> 1.0)
@@ -90,6 +91,9 @@ GEM
     nio4r (2.5.4)
     nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
+    parallel (1.19.2)
+    parser (2.7.1.4)
+      ast (~> 2.4.1)
     pg (1.2.3)
     puma (4.3.6)
       nio4r (~> 2.0)
@@ -124,29 +128,47 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.20.3, < 2.0)
+    rainbow (3.0.0)
     rake (13.0.1)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
+    regexp_parser (1.7.1)
+    rexml (3.2.4)
+    rubocop (0.91.0)
+      parallel (~> 1.10)
+      parser (>= 2.7.1.1)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.7)
+      rexml
+      rubocop-ast (>= 0.4.0, < 1.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (0.4.2)
+      parser (>= 2.7.1.4)
+    rubocop-performance (1.8.1)
+      rubocop (>= 0.87.0)
+      rubocop-ast (>= 0.4.0)
+    ruby-progressbar (1.10.1)
     semantic_range (2.3.0)
-    spring (2.1.1)
-    spring-watcher-listen (2.0.1)
-      listen (>= 2.7, < 4.0)
-      spring (>= 1.2, < 3.0)
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
     sprockets-rails (3.2.2)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    standard (0.6.1)
+      rubocop (~> 0.90)
+      rubocop-performance (~> 1.8.0)
     thor (1.0.1)
     thread_safe (0.3.6)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
     tzinfo (1.2.7)
       thread_safe (~> 0.1)
+    unicode-display_width (1.7.0)
     web-console (4.0.4)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -173,8 +195,7 @@ DEPENDENCIES
   pg (>= 0.18, < 2.0)
   puma (~> 4.1)
   rails (~> 6.0.3, >= 6.0.3.3)
-  spring
-  spring-watcher-listen (~> 2.0.0)
+  standard (~> 0.6)
   turbolinks (~> 5)
   tzinfo-data
   web-console (>= 3.3.0)

Rakefile

@@ -1,6 +1,6 @@
 # Add your own tasks in files placed in lib/tasks ending in .rake,
 # for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
 
-require_relative 'config/application'
+require_relative "config/application"
 
 Rails.application.load_tasks

app/mailers/application_mailer.rb

@@ -1,4 +1,4 @@
 class ApplicationMailer < ActionMailer::Base
-  default from: '[email protected]'
-  layout 'mailer'
+  default from: "[email protected]"
+  layout "mailer"
 end

bin/standardrb

@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'standardrb' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("standard", "standardrb")

config.ru

@@ -1,5 +1,5 @@
 # This file is used by Rack-based servers to start the application.
 
-require_relative 'config/environment'
+require_relative "config/environment"
 
 run Rails.application

config/boot.rb

@@ -1,4 +1,4 @@
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
 
-require 'bundler/setup' # Set up gems listed in the Gemfile.
-require 'bootsnap/setup' # Speed up boot time by caching expensive operations.
+require "bundler/setup" # Set up gems listed in the Gemfile.
+require "bootsnap/setup" # Speed up boot time by caching expensive operations.

config/environment.rb

@@ -1,5 +1,5 @@
 # Load the Rails application.
-require_relative 'application'
+require_relative "application"
 
 # Initialize the Rails application.
 Rails.application.initialize!

config/environments/development.rb

@@ -14,13 +14,13 @@
 
   # Enable/disable caching. By default caching is disabled.
   # Run rails dev:cache to toggle caching.
-  if Rails.root.join('tmp', 'caching-dev.txt').exist?
+  if Rails.root.join("tmp", "caching-dev.txt").exist?
     config.action_controller.perform_caching = true
     config.action_controller.enable_fragment_cache_logging = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.to_i}"
+      "Cache-Control" => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -45,7 +45,6 @@
   # Highlight code that triggered database queries in logs.
   config.active_record.verbose_query_logs = true
 
-
   # Raises error for missing translations.
   # config.action_view.raise_on_missing_translations = true
 

config/environments/production.rb

@@ -11,7 +11,7 @@
   config.eager_load = true
 
   # Full error reports are disabled and caching is turned on.
-  config.consider_all_requests_local       = false
+  config.consider_all_requests_local = false
   config.action_controller.perform_caching = true
 
   # Ensures that a master key has been made available in either ENV["RAILS_MASTER_KEY"]
@@ -20,7 +20,7 @@
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
-  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
   # config.action_controller.asset_host = 'http://assets.example.com'
@@ -45,7 +45,7 @@
   config.log_level = :debug
 
   # Prepend all log lines with the following tags.
-  config.log_tags = [ :request_id ]
+  config.log_tags = [:request_id]
 
   # Use a different cache store in production.
   # config.cache_store = :mem_cache_store
@@ -75,9 +75,9 @@
   # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
 
   if ENV["RAILS_LOG_TO_STDOUT"].present?
-    logger           = ActiveSupport::Logger.new(STDOUT)
+    logger = ActiveSupport::Logger.new($stdout)
     logger.formatter = config.log_formatter
-    config.logger    = ActiveSupport::TaggedLogging.new(logger)
+    config.logger = ActiveSupport::TaggedLogging.new(logger)
   end
 
   # Do not dump schema after migrations.

config/environments/test.rb

@@ -17,11 +17,11 @@
   # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = {
-    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+    "Cache-Control" => "public, max-age=#{1.hour.to_i}"
   }
 
   # Show full error reports and disable caching.
-  config.consider_all_requests_local       = true
+  config.consider_all_requests_local = true
   config.action_controller.perform_caching = false
   config.cache_store = :null_store
 

config/puma.rb

@@ -4,20 +4,20 @@
 # the maximum value specified for Puma. Default is set to 5 threads for minimum
 # and maximum; this matches the default thread size of Active Record.
 #
-max_threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
-min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
+max_threads_count = ENV.fetch("RAILS_MAX_THREADS", 5)
+min_threads_count = ENV.fetch("RAILS_MIN_THREADS", max_threads_count)
 threads min_threads_count, max_threads_count
 
 # Specifies the `port` that Puma will listen on to receive requests; default is 3000.
 #
-port        ENV.fetch("PORT") { 3000 }
+port ENV.fetch("PORT", 3000)
 
 # Specifies the `environment` that Puma will run in.
 #
-environment ENV.fetch("RAILS_ENV") { "development" }
+environment ENV.fetch("RAILS_ENV", "development")
 
 # Specifies the `pidfile` that Puma will use.
-pidfile ENV.fetch("PIDFILE") { "tmp/pids/server.pid" }
+pidfile ENV.fetch("PIDFILE", "tmp/pids/server.pid")
 
 # Specifies the number of `workers` to boot in clustered mode.
 # Workers are forked web server processes. If using threads and workers together

lefthook.yml

@@ -36,6 +36,9 @@
 pre-commit:
   parallel: true
   commands:
+    rb:
+      glob: "*.rb"
+      run: "bin/standardrb --format progress --fix {staged_files} && git add {staged_files}"
     js:
       glob: "*.js"
       run: "yarn prettier --write {staged_files} && yarn eslint {staged_files} && git add {staged_files}"