Basic setup, launch config and layout

.devcontainer/devcontainer.json

@@ -0,0 +1,51 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/docker-existing-docker-compose
+{
+	"name": "a11yist",
+
+	// Update the 'dockerComposeFile' list if you have more compose files or use different names.
+	// The .devcontainer/docker-compose.yml file contains any overrides you need/want to make.
+	"dockerComposeFile": [
+		"../docker-compose.yml",
+		"docker-compose.yml"
+	],
+
+	// The 'service' property is the name of the service for the container that VS Code should
+	// use. Update this value and .devcontainer/docker-compose.yml to the real service name.
+	"service": "app",
+
+	// The optional 'workspaceFolder' property is the path VS Code should open by default when
+	// connected. This is typically a file mount in .devcontainer/docker-compose.yml
+	"workspaceFolder": "/app",
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Uncomment the next line if you want start specific services in your Docker Compose config.
+	// "runServices": [],
+
+	// Uncomment the next line if you want to keep your containers running after VS Code shuts down.
+	// "shutdownAction": "none",
+
+	// Uncomment the next line to run commands after the container is created.
+	// "postCreateCommand": "cat /etc/os-release",
+	"postCreateCommand": "bundle",
+
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Uncomment to connect as an existing user other than the container default. More info: https://aka.ms/dev-containers-non-root.
+	"remoteUser": "app",
+	
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"Shopify.ruby-lsp",
+				"TabbyML.vscode-tabby"
+			]
+		}
+	}
+}

.devcontainer/docker-compose.yml

@@ -0,0 +1,6 @@
+version: '3.8'
+services:
+  # Update this to the name of the service you want to work with in your docker-compose.yml file
+  app:
+    command: /bin/sh -c "while sleep 1000; do :; done"
+ 

.github/dependabot.yml

@@ -0,0 +1,12 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for more information:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://containers.dev/guide/dependabot
+
+version: 2
+updates:
+ - package-ecosystem: "devcontainers"
+   directory: "/"
+   schedule:
+     interval: weekly

.rubocop.yml

@@ -0,0 +1,12 @@
+AllCops:
+  Exclude:
+    - 'config/**/*.rb'
+    - 'db/**/*.rb'
+    - 'vendor/**/*.rb'
+    - 'bin/bundle'
+    - 'bin/rake'
+    - 'bin/rails'
+    - 'bin/setup'
+
+Style/Documentation:
+  enabled: false

.vscode/launch.json

@@ -0,0 +1,26 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "ruby_lsp",
+      "name": "Attach debugger",
+      "request": "attach"
+    },
+    {
+      "type": "ruby_lsp",
+      "name": "Debug script",
+      "request": "launch",
+      "program": "ruby ${file}"
+    },
+    {
+      "type": "ruby_lsp",
+      "name": "Debug test",
+      "request": "launch",
+      "program": "ruby -Itest ${relativeFile}"
+    },
+
+  ]
+}

Gemfile

@@ -1,33 +1,35 @@
-source "https://rubygems.org"
+# frozen_string_literal: true
 
-ruby "3.3.0"
+source 'https://rubygems.org'
+
+ruby '3.3.0'
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
-gem "rails", "~> 7.1.3", ">= 7.1.3.4"
+gem 'rails', '~> 7.1.3', '>= 7.1.3.4'
 
 # The original asset pipeline for Rails [https://github.com/rails/sprockets-rails]
-gem "sprockets-rails"
+gem 'sprockets-rails'
 
 # Use sqlite3 as the database for Active Record
-gem "sqlite3", "~> 1.4"
+gem 'sqlite3', '~> 1.4'
 
 # Use the Puma web server [https://github.com/puma/puma]
-gem "puma", ">= 5.0"
+gem 'puma', '>= 5.0'
 
 # Bundle and transpile JavaScript [https://github.com/rails/jsbundling-rails]
-gem "jsbundling-rails"
+gem 'jsbundling-rails'
 
 # Hotwire's SPA-like page accelerator [https://turbo.hotwired.dev]
-gem "turbo-rails"
+gem 'turbo-rails'
 
 # Hotwire's modest JavaScript framework [https://stimulus.hotwired.dev]
-gem "stimulus-rails"
+gem 'stimulus-rails'
 
 # Bundle and process CSS [https://github.com/rails/cssbundling-rails]
-gem "cssbundling-rails"
+gem 'cssbundling-rails'
 
 # Build JSON APIs with ease [https://github.com/rails/jbuilder]
-gem "jbuilder"
+gem 'jbuilder'
 
 # Use Redis adapter to run Action Cable in production
 # gem "redis", ">= 4.0.1"
@@ -39,32 +41,35 @@ gem "jbuilder"
 # gem "bcrypt", "~> 3.1.7"
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
-gem "tzinfo-data", platforms: %i[ windows jruby ]
+gem 'tzinfo-data', platforms: %i[windows jruby]
 
 # Reduces boot times through caching; required in config/boot.rb
-gem "bootsnap", require: false
+gem 'bootsnap', require: false
 
 # Use Active Storage variants [https://guides.rubyonrails.org/active_storage_overview.html#transforming-images]
 # gem "image_processing", "~> 1.2"
 
 group :development, :test do
   # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
-  gem "debug", platforms: %i[ mri windows ]
+  gem 'debug', platforms: %i[mri windows]
 end
 
 group :development do
   # Use console on exceptions pages [https://github.com/rails/web-console]
-  gem "web-console"
+  gem 'web-console'
 
   # Add speed badges [https://github.com/MiniProfiler/rack-mini-profiler]
   # gem "rack-mini-profiler"
 
   # Speed up commands on slow machines / big apps [https://github.com/rails/spring]
   # gem "spring"
+  gem 'rubocop'
+  gem 'ruby-lsp'
+  gem 'ruby-lsp-rails'
 end
 
 group :test do
   # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
-  gem "capybara"
+  gem 'capybara'
-  gem "selenium-webdriver"
+  gem 'selenium-webdriver'
 end

Gemfile.lock

@@ -77,6 +77,7 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
+    ast (2.4.2)
     base64 (0.2.0)
     bigdecimal (3.1.8)
     bindex (0.8.1)
@@ -116,6 +117,8 @@ GEM
       activesupport (>= 5.0.0)
     jsbundling-rails (1.3.0)
       railties (>= 6.0.0)
+    json (2.7.2)
+    language_server-protocol (3.17.0.3)
     logger (1.6.0)
     loofah (2.22.0)
       crass (~> 1.0.2)
@@ -153,6 +156,11 @@ GEM
       racc (~> 1.4)
     nokogiri (1.16.6-x86_64-linux)
       racc (~> 1.4)
+    parallel (1.25.1)
+    parser (3.3.4.0)
+      ast (~> 2.4.1)
+      racc
+    prism (0.30.0)
     psych (5.1.2)
       stringio
     public_suffix (6.0.0)
@@ -196,7 +204,10 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
+    rainbow (3.1.1)
     rake (13.2.1)
+    rbs (3.5.2)
+      logger
     rdoc (6.7.0)
       psych (>= 4.0.0)
     regexp_parser (2.9.2)
@@ -204,6 +215,27 @@ GEM
       io-console (~> 0.5)
     rexml (3.3.1)
       strscan
+    rubocop (1.65.0)
+      json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
+      parallel (~> 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.4, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    ruby-lsp (0.17.7)
+      language_server-protocol (~> 3.17.0)
+      prism (>= 0.29.0, < 0.31)
+      rbs (>= 3, < 4)
+      sorbet-runtime (>= 0.5.10782)
+    ruby-lsp-rails (0.3.10)
+      ruby-lsp (>= 0.17.2, < 0.18.0)
+    ruby-progressbar (1.13.0)
     rubyzip (2.3.2)
     selenium-webdriver (4.22.0)
       base64 (~> 0.2)
@@ -211,6 +243,7 @@ GEM
       rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2, < 3.0)
       websocket (~> 1.0)
+    sorbet-runtime (0.5.11481)
     sprockets (4.2.1)
       concurrent-ruby (~> 1.0)
       rack (>= 2.2.4, < 4)
@@ -236,6 +269,7 @@ GEM
       railties (>= 6.0.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    unicode-display_width (2.5.0)
     web-console (4.2.1)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
@@ -267,6 +301,9 @@ DEPENDENCIES
   jsbundling-rails
   puma (>= 5.0)
   rails (~> 7.1.3, >= 7.1.3.4)
+  rubocop
+  ruby-lsp
+  ruby-lsp-rails
   selenium-webdriver
   sprockets-rails
   sqlite3 (~> 1.4)

Rakefile

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 # 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/assets/stylesheets/application.bootstrap.scss

@@ -1,2 +1,31 @@
+@font-face {
+  font-family: 'Lexend';
+  src: url('Lexend-VariableFont_wght.ttf');
+  font-display: swap;
+ }
+
+$font-family-sans-serif:
+  Lexend,
+  // Cross-platform generic font family (default user interface font)
+  system-ui,
+  // Safari for macOS and iOS (San Francisco)
+  -apple-system,
+  // Windows
+  "Segoe UI",
+  // Android
+  Roboto,
+  // Basic web fallback
+  "Helvetica Neue", Arial,
+  // Linux
+  "Noto Sans",
+  "Liberation Sans",
+  // Sans serif fallback
+  sans-serif,
+  // Emoji fonts
+  "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !default;
+
+$primary: #0074d9;
+$danger: #ff4136;
+
 @import 'bootstrap/scss/bootstrap';
 @import 'bootstrap-icons/font/bootstrap-icons';

app/channels/application_cable/channel.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ApplicationCable
   class Channel < ActionCable::Channel::Base
   end

app/channels/application_cable/connection.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module ApplicationCable
   class Connection < ActionCable::Connection::Base
   end

app/controllers/application_controller.rb

@@ -1,2 +1,15 @@
+# frozen_string_literal: true
+
 class ApplicationController < ActionController::Base
+  before_action :initialize_navbar
+
+  private
+
+  def initialize_navbar
+    @navbar_items = [
+      { label: 'Dashboard', path: :root },
+      { label: 'Home', path: :home }
+    ]
+    @search_url = nil # root_url
+  end
 end

app/controllers/home_controller.rb

@@ -1,4 +1,5 @@
+# frozen_string_literal: true
+
 class HomeController < ApplicationController
-  def show
+  def show; end
-  end
 end

app/helpers/application_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module ApplicationHelper
 end

app/helpers/home_helper.rb

@@ -1,2 +1,4 @@
+# frozen_string_literal: true
+
 module HomeHelper
 end

app/javascript/controllers/index.js

@@ -6,3 +6,6 @@ import { application } from "./application"
 
 import HelloController from "./hello_controller"
 application.register("hello", HelloController)
+
+import SetThemeController from "./set_theme_controller"
+application.register("set-theme", SetThemeController)

app/javascript/controllers/set_theme_controller.js

@@ -0,0 +1,18 @@
+import { Controller } from "@hotwired/stimulus"
+import Cookie from "../lib/cookies"
+
+// Connects to data-controller="set-theme"
+export default class extends Controller {
+  COOKIE_NAME = "modeTheme";
+
+  connect() {
+    const cookieValue = Cookie.get(this.COOKIE_NAME);
+    console.log("cookieValue", cookieValue);
+    if(cookieValue) {
+      return true;
+    }
+    const darkMode = window.matchMedia("(prefers-color-scheme:dark)").matches ? "dark" : "light";
+    Cookie.set(this.COOKIE_NAME, darkMode);
+    window.document.getElementsByTagName("html")[0].setAttribute("data-bs-theme", darkMode)
+  }
+}

app/javascript/lib/cookies.js

@@ -0,0 +1,23 @@
+export default class Cookies {
+  static set(cname, cvalue, exdays = 365) {
+    const d = new Date();
+    d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
+    let expires = "expires="+d.toUTCString();
+    document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
+  }
+  
+  static get(cname) {
+    let name = cname + "=";
+    let ca = document.cookie.split(';');
+    for(let i = 0; i < ca.length; i++) {
+      let c = ca[i];
+      while (c.charAt(0) == ' ') {
+        c = c.substring(1);
+      }
+      if (c.indexOf(name) == 0) {
+        return c.substring(name.length, c.length);
+      }
+    }
+    return "";
+  }
+}

app/jobs/application_job.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class ApplicationJob < ActiveJob::Base
   # Automatically retry jobs that encountered a deadlock
   # retry_on ActiveRecord::Deadlocked

app/mailers/application_mailer.rb

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 class ApplicationMailer < ActionMailer::Base
-  default from: "from@example.com"
+  default from: 'from@example.com'
-  layout "mailer"
+  layout 'mailer'
 end

app/models/application_record.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class ApplicationRecord < ActiveRecord::Base
   primary_abstract_class
 end

app/views/home/show.html.erb

@@ -1,2 +1,3 @@
 <h1>Welcome</h1>
 <p>Find me in app/views/home/show.html.erb</p>
+<button class="btn btn-primary">Test</button>

app/views/layouts/_navigation.html.erb

@@ -1,36 +1,44 @@
 <nav class="navbar navbar-expand-lg bg-body-tertiary">
   <div class="container-fluid">
-    <a class="navbar-brand" href="#">Navbar</a>
+    <a class="navbar-brand" href="<%= root_path %>">A11Yist</a>
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
       <span class="navbar-toggler-icon"></span>
     </button>
     <div class="collapse navbar-collapse" id="navbarSupportedContent">
-      <ul class="navbar-nav me-auto mb-2 mb-lg-0">
+      <% if @navbar_items %>
-        <li class="nav-item">
+        <ul class="navbar-nav me-auto mb-2 mb-lg-0">
-          <a class="nav-link active" aria-current="page" href="#">Home</a>
+          <% @navbar_items.each do |navbar_item| %>
-        </li>
+            <li class="nav-item">
-        <li class="nav-item">
+              <a class="nav-link <%= current_page?(navbar_item[:path]) && "active" %>" <%= current_page?(navbar_item[:path]) && "aria-current=\"page\"" %> href="<%= url_for(navbar_item[:path]) %>"><%= navbar_item[:label] %></a>
-          <a class="nav-link" href="#">Link</a>
+            </li>
-        </li>
+          <% end %>
-        <li class="nav-item dropdown">
+          <%# <li class="nav-item">
-          <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+            <a class="nav-link" href="#">Link</a>
-            Dropdown
+          </li>
-          </a>
+          <li class="nav-item dropdown">
-          <ul class="dropdown-menu">
+            <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
-            <li><a class="dropdown-item" href="#">Action</a></li>
+              Dropdown
-            <li><a class="dropdown-item" href="#">Another action</a></li>
+            </a>
-            <li><hr class="dropdown-divider"></li>
+            <ul class="dropdown-menu">
-            <li><a class="dropdown-item" href="#">Something else here</a></li>
+              <li><a class="dropdown-item" href="#">Action</a></li>
-          </ul>
+              <li><a class="dropdown-item" href="#">Another action</a></li>
-        </li>
+              <li><hr class="dropdown-divider"></li>
-        <li class="nav-item">
+              <li><a class="dropdown-item" href="#">Something else here</a></li>
-          <a class="nav-link disabled" aria-disabled="true">Disabled</a>
+            </ul>
-        </li>
+          </li>
-      </ul>
+          <li class="nav-item">
-      <form class="d-flex" role="search">
+            <a class="nav-link disabled" aria-disabled="true">Disabled</a>
-        <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
+          </li> %>
-        <button class="btn btn-outline-success" type="submit">Search</button>
+        </ul>
-      </form>
+      <% else %>
+        <div class="me-auto"></div>
+      <% end %>
+      <% if @search_url %>
+        <form class="d-flex" role="search" action="<%= @search_url %>">
+          <input class="form-control me-2" type="search" placeholder="<%= @search_placeholder || "..." %>" aria-label="Search">
+          <button class="btn btn-outline-success" type="submit" name="<%= @search_name || "q" %>"><%= @search_placeholder || "Suchen" %></button>
+        </form>
+      <% end %>
     </div>
   </div>
 </nav>

app/views/layouts/application.html.erb

@@ -1,8 +1,9 @@
-<!DOCTYPE html>
+<!doctype html>
-<html>
+<html <%== cookies[:"modeTheme"] && "data-bs-theme=\"#{cookies[:"modeTheme"]}\"" %> data-controller="set-theme">
   <head>
     <title>A11yist</title>
     <meta name="viewport" content="width=device-width,initial-scale=1">
+
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
@@ -10,9 +11,14 @@
     <%= javascript_include_tag "application", "data-turbo-track": "reload", type: "module" %>
   </head>
 
-  <body>
+  <body class="">
     <%= render partial: "layouts/navigation" %>
     
-    <%= yield %>
+    <main class="">
+      <%= render partial: "layouts/sidebar" %>
+      <div class="p-3">
+        <%= yield %>
+      </div>
+    </main>
   </body>
 </html>

config.ru

@@ -1,6 +1,8 @@
+# frozen_string_literal: true
+
 # This file is used by Rack-based servers to start the application.
 
-require_relative "config/environment"
+require_relative 'config/environment'
 
 run Rails.application
 Rails.application.load_server

config/application.rb

@@ -1,18 +1,18 @@
-require_relative "boot"
+require_relative 'boot'
 
-require "rails"
+require 'rails'
 # Pick the frameworks you want:
-require "active_model/railtie"
+require 'active_model/railtie'
-require "active_job/railtie"
+require 'active_job/railtie'
-require "active_record/railtie"
+require 'active_record/railtie'
-require "active_storage/engine"
+require 'active_storage/engine'
-require "action_controller/railtie"
+require 'action_controller/railtie'
-require "action_mailer/railtie"
+require 'action_mailer/railtie'
 # require "action_mailbox/engine"
-require "action_text/engine"
+require 'action_text/engine'
-require "action_view/railtie"
+require 'action_view/railtie'
-require "action_cable/engine"
+require 'action_cable/engine'
-require "rails/test_unit/railtie"
+require 'rails/test_unit/railtie'
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
@@ -26,7 +26,7 @@ module A11yist
     # Please, add to the `ignore` list any other `lib` subdirectories that do
     # not contain `.rb` files, or that should not be reloaded or eager loaded.
     # Common ones are `templates`, `generators`, or `middleware`, for example.
-    config.autoload_lib(ignore: %w(assets tasks))
+    config.autoload_lib(ignore: %w[assets tasks])
 
     # Configuration for the application, engines, and railties goes here.
     #

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 'bundler/setup' # Set up gems listed in the Gemfile.
-require "bootsnap/setup" # Speed up boot time by caching expensive operations.
+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

@@ -1,4 +1,4 @@
-require "active_support/core_ext/integer/time"
+require 'active_support/core_ext/integer/time'
 
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
@@ -19,13 +19,13 @@ Rails.application.configure do
 
   # 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

config/environments/production.rb

@@ -1,4 +1,4 @@
-require "active_support/core_ext/integer/time"
+require 'active_support/core_ext/integer/time'
 
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
@@ -53,16 +53,16 @@ Rails.application.configure do
 
   # Log to STDOUT by default
   config.logger = ActiveSupport::Logger.new(STDOUT)
-    .tap  { |logger| logger.formatter = ::Logger::Formatter.new }
+                                       .tap  { |logger| logger.formatter = ::Logger::Formatter.new }
-    .then { |logger| ActiveSupport::TaggedLogging.new(logger) }
+                                       .then { |logger| ActiveSupport::TaggedLogging.new(logger) }
 
   # Prepend all log lines with the following tags.
-  config.log_tags = [ :request_id ]
+  config.log_tags = [:request_id]
 
   # "info" includes generic and useful information about system operation, but avoids logging too much
   # information to avoid inadvertent exposure of personally identifiable information (PII). If you
   # want to log everything, set the level to "debug".
-  config.log_level = ENV.fetch("RAILS_LOG_LEVEL", "info")
+  config.log_level = ENV.fetch('RAILS_LOG_LEVEL', 'info')
 
   # Use a different cache store in production.
   # config.cache_store = :mem_cache_store

config/environments/test.rb

@@ -1,4 +1,4 @@
-require "active_support/core_ext/integer/time"
+require 'active_support/core_ext/integer/time'
 
 # The test environment is used exclusively to run your application's
 # test suite. You never need to work with it otherwise. Remember that
@@ -15,12 +15,12 @@ Rails.application.configure do
   # this is usually not necessary, and can slow down your test suite. However, it's
   # recommended that you enable it in continuous integration systems to ensure eager
   # loading is working properly before deploying your code.
-  config.eager_load = ENV["CI"].present?
+  config.eager_load = ENV['CI'].present?
 
   # 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/initializers/assets.rb

@@ -1,11 +1,11 @@
 # Be sure to restart your server when you modify this file.
 
 # Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = "1.0"
+Rails.application.config.assets.version = '1.0'
 
 # Add additional assets to the asset load path.
 # Rails.application.config.assets.paths << Emoji.images_path
-Rails.application.config.assets.paths << Rails.root.join("node_modules/bootstrap-icons/font")
+Rails.application.config.assets.paths << Rails.root.join('node_modules/bootstrap-icons/font')
 
 # Precompile additional assets.
 # application.js, application.css, and all non-JS/CSS in the app/assets

config/initializers/filter_parameter_logging.rb

@@ -3,6 +3,6 @@
 # Configure parameters to be partially matched (e.g. passw matches password) and filtered from the log file.
 # Use this to limit dissemination of sensitive information.
 # See the ActiveSupport::ParameterFilter documentation for supported notations and behaviors.
-Rails.application.config.filter_parameters += [
+Rails.application.config.filter_parameters += %i[
-  :passw, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn
+  passw secret token _key crypt salt certificate otp ssn
 ]

config/puma.rb

@@ -7,29 +7,29 @@
 # Any libraries that use thread pools should be configured to match
 # 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 }
+max_threads_count = ENV.fetch('RAILS_MAX_THREADS') { 5 }
-min_threads_count = ENV.fetch("RAILS_MIN_THREADS") { max_threads_count }
+min_threads_count = ENV.fetch('RAILS_MIN_THREADS') { max_threads_count }
 threads min_threads_count, max_threads_count
 
 # Specifies that the worker count should equal the number of processors in production.
-if ENV["RAILS_ENV"] == "production"
+if ENV['RAILS_ENV'] == 'production'
-  require "concurrent-ruby"
+  require 'concurrent-ruby'
-  worker_count = Integer(ENV.fetch("WEB_CONCURRENCY") { Concurrent.physical_processor_count })
+  worker_count = Integer(ENV.fetch('WEB_CONCURRENCY') { Concurrent.physical_processor_count })
   workers worker_count if worker_count > 1
 end
 
 # Specifies the `worker_timeout` threshold that Puma will use to wait before
 # terminating a worker in development environments.
-worker_timeout 3600 if ENV.fetch("RAILS_ENV", "development") == "development"
+worker_timeout 3600 if ENV.fetch('RAILS_ENV', 'development') == 'development'
 
 # 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' }
 
 # Allow puma to be restarted by `bin/rails restart` command.
 plugin :tmp_restart

config/routes.rb

@@ -1,11 +1,11 @@
 Rails.application.routes.draw do
-  get 'home/show'
+  get 'home/show', as: :home
   # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
 
   # Reveal health status on /up that returns 200 if the app boots with no exceptions, otherwise 500.
   # Can be used by load balancers and uptime monitors to verify that the app is live.
-  get "up" => "rails/health#show", as: :rails_health_check
+  get 'up' => 'rails/health#show', as: :rails_health_check
 
   # Defines the root path route ("/")
-  root "home#show"
+  root 'home#show'
 end

test/application_system_test_case.rb

@@ -1,4 +1,6 @@
-require "test_helper"
+# frozen_string_literal: true
+
+require 'test_helper'
 
 class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
   driven_by :selenium, using: :chrome, screen_size: [1400, 1400]

test/channels/application_cable/connection_test.rb

@@ -1,4 +1,6 @@
-require "test_helper"
+# frozen_string_literal: true
+
+require 'test_helper'
 
 module ApplicationCable
   class ConnectionTest < ActionCable::Connection::TestCase

test/controllers/home_controller_test.rb

@@ -1,7 +1,9 @@
-require "test_helper"
+# frozen_string_literal: true
+
+require 'test_helper'
 
 class HomeControllerTest < ActionDispatch::IntegrationTest
-  test "should get show" do
+  test 'should get show' do
     get home_show_url
     assert_response :success
   end

test/test_helper.rb

@@ -1,6 +1,8 @@
-ENV["RAILS_ENV"] ||= "test"
+# frozen_string_literal: true
-require_relative "../config/environment"
+
-require "rails/test_help"
+ENV['RAILS_ENV'] ||= 'test'
+require_relative '../config/environment'
+require 'rails/test_help'
 
 module ActiveSupport
   class TestCase