Support Rails 8.0

.github/workflows/checks.yml

@@ -20,6 +20,7 @@ jobs:
           - "~> 7.0.0"
           - "~> 7.1.0"
           - "~> 7.2.0"
+          - "~> 8.0.0"
         addressable-version:
           - "~> 2.4.0"
           - "~> 2.5.0"

.rubocop.yml

@@ -105,6 +105,7 @@ Style/Copyright:
 Style/DisableCopsWithinSourceCodeDirective:
   AutoCorrect: false
   AllowedCops:
+    - Lint/DuplicateMethods
     - Lint/RescueException
     - Rails/ApplicationRecord
     - Rails/RakeEnvironment

Gemfile

@@ -19,13 +19,18 @@ end
 group :development, :test do
   gem "sprockets-rails"
 
-  # Specify the version for resolving a `LoadError`.
-  # cf. https://github.com/kg8m/tanshuku/actions/runs/8965867396
-  #
-  #   LoadError:
-  #     Error loading the 'sqlite3' Active Record adapter. Missing a gem it depends on? can't activate sqlite3 (~> 1.4),
-  #     already activated sqlite3-2.0.1-x86_64-linux-gnu. Make sure all dependencies are added to Gemfile.
-  gem "sqlite3", "~> 1.7"
+  case Gem::Version.new(ENV.fetch("RAILS_VERSION", "8.0")[/[\d.]+/])
+  when "7.0"..."8.0"
+    # Specify the version for resolving a `LoadError`.
+    # cf. https://github.com/kg8m/tanshuku/actions/runs/8965867396
+    #
+    #   LoadError:
+    #     Error loading the 'sqlite3' Active Record adapter. Missing a gem it depends on? can't activate sqlite3 (~> 1.4),
+    #     already activated sqlite3-2.0.1-x86_64-linux-gnu. Make sure all dependencies are added to Gemfile.
+    gem "sqlite3", "~> 1.7"
+  else
+    gem "sqlite3"
+  end
 end
 
 group :development do

Gemfile.lock

@@ -8,66 +8,65 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (7.2.2)
-      actionpack (= 7.2.2)
-      activesupport (= 7.2.2)
+    actioncable (8.0.0)
+      actionpack (= 8.0.0)
+      activesupport (= 8.0.0)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
       zeitwerk (~> 2.6)
-    actionmailbox (7.2.2)
-      actionpack (= 7.2.2)
-      activejob (= 7.2.2)
-      activerecord (= 7.2.2)
-      activestorage (= 7.2.2)
-      activesupport (= 7.2.2)
+    actionmailbox (8.0.0)
+      actionpack (= 8.0.0)
+      activejob (= 8.0.0)
+      activerecord (= 8.0.0)
+      activestorage (= 8.0.0)
+      activesupport (= 8.0.0)
       mail (>= 2.8.0)
-    actionmailer (7.2.2)
-      actionpack (= 7.2.2)
-      actionview (= 7.2.2)
-      activejob (= 7.2.2)
-      activesupport (= 7.2.2)
+    actionmailer (8.0.0)
+      actionpack (= 8.0.0)
+      actionview (= 8.0.0)
+      activejob (= 8.0.0)
+      activesupport (= 8.0.0)
       mail (>= 2.8.0)
       rails-dom-testing (~> 2.2)
-    actionpack (7.2.2)
-      actionview (= 7.2.2)
-      activesupport (= 7.2.2)
+    actionpack (8.0.0)
+      actionview (= 8.0.0)
+      activesupport (= 8.0.0)
       nokogiri (>= 1.8.5)
-      racc
-      rack (>= 2.2.4, < 3.2)
+      rack (>= 2.2.4)
       rack-session (>= 1.0.1)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
       useragent (~> 0.16)
-    actiontext (7.2.2)
-      actionpack (= 7.2.2)
-      activerecord (= 7.2.2)
-      activestorage (= 7.2.2)
-      activesupport (= 7.2.2)
+    actiontext (8.0.0)
+      actionpack (= 8.0.0)
+      activerecord (= 8.0.0)
+      activestorage (= 8.0.0)
+      activesupport (= 8.0.0)
       globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (7.2.2)
-      activesupport (= 7.2.2)
+    actionview (8.0.0)
+      activesupport (= 8.0.0)
       builder (~> 3.1)
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    activejob (7.2.2)
-      activesupport (= 7.2.2)
+    activejob (8.0.0)
+      activesupport (= 8.0.0)
       globalid (>= 0.3.6)
-    activemodel (7.2.2)
-      activesupport (= 7.2.2)
-    activerecord (7.2.2)
-      activemodel (= 7.2.2)
-      activesupport (= 7.2.2)
+    activemodel (8.0.0)
+      activesupport (= 8.0.0)
+    activerecord (8.0.0)
+      activemodel (= 8.0.0)
+      activesupport (= 8.0.0)
       timeout (>= 0.4.0)
-    activestorage (7.2.2)
-      actionpack (= 7.2.2)
-      activejob (= 7.2.2)
-      activerecord (= 7.2.2)
-      activesupport (= 7.2.2)
+    activestorage (8.0.0)
+      actionpack (= 8.0.0)
+      activejob (= 8.0.0)
+      activerecord (= 8.0.0)
+      activesupport (= 8.0.0)
       marcel (~> 1.0)
-    activesupport (7.2.2)
+    activesupport (8.0.0)
       base64
       benchmark (>= 0.3)
       bigdecimal
@@ -79,6 +78,7 @@ GEM
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
     ast (2.4.2)
@@ -127,7 +127,7 @@ GEM
     marcel (1.0.4)
     mini_mime (1.1.5)
     mini_portile2 (2.8.8)
-    minitest (5.25.1)
+    minitest (5.25.2)
     net-imap (0.5.1)
       date
       net-protocol
@@ -164,30 +164,30 @@ GEM
     rackup (1.0.1)
       rack (< 3)
       webrick
-    rails (7.2.2)
-      actioncable (= 7.2.2)
-      actionmailbox (= 7.2.2)
-      actionmailer (= 7.2.2)
-      actionpack (= 7.2.2)
-      actiontext (= 7.2.2)
-      actionview (= 7.2.2)
-      activejob (= 7.2.2)
-      activemodel (= 7.2.2)
-      activerecord (= 7.2.2)
-      activestorage (= 7.2.2)
-      activesupport (= 7.2.2)
+    rails (8.0.0)
+      actioncable (= 8.0.0)
+      actionmailbox (= 8.0.0)
+      actionmailer (= 8.0.0)
+      actionpack (= 8.0.0)
+      actiontext (= 8.0.0)
+      actionview (= 8.0.0)
+      activejob (= 8.0.0)
+      activemodel (= 8.0.0)
+      activerecord (= 8.0.0)
+      activestorage (= 8.0.0)
+      activesupport (= 8.0.0)
       bundler (>= 1.15.0)
-      railties (= 7.2.2)
+      railties (= 8.0.0)
     rails-dom-testing (2.2.0)
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.6.0)
       loofah (~> 2.21)
       nokogiri (~> 1.14)
-    railties (7.2.2)
-      actionpack (= 7.2.2)
-      activesupport (= 7.2.2)
+    railties (8.0.0)
+      actionpack (= 8.0.0)
+      activesupport (= 8.0.0)
       irb (~> 1.13)
       rackup (>= 1.0.0)
       rake (>= 12.2)
@@ -200,7 +200,7 @@ GEM
       ffi (~> 1.0)
     rbs (3.6.1)
       logger
-    rdoc (6.7.0)
+    rdoc (6.8.1)
       psych (>= 4.0.0)
     regexp_parser (2.9.2)
     reline (0.5.11)
@@ -269,11 +269,11 @@ GEM
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
-    sqlite3 (1.7.3)
+    sqlite3 (2.3.0)
       mini_portile2 (~> 2.8.0)
-    sqlite3 (1.7.3-arm64-darwin)
-    sqlite3 (1.7.3-x86_64-darwin)
-    sqlite3 (1.7.3-x86_64-linux)
+    sqlite3 (2.3.0-arm64-darwin)
+    sqlite3 (2.3.0-x86_64-darwin)
+    sqlite3 (2.3.0-x86_64-linux-gnu)
     steep (1.8.3)
       activesupport (>= 5.1)
       concurrent-ruby (>= 1.1.10)
@@ -302,13 +302,14 @@ GEM
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     unicode-display_width (2.6.0)
+    uri (1.0.2)
     useragent (0.16.10)
     webrick (1.9.0)
     websocket-driver (0.7.6)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
     yard (0.9.37)
-    zeitwerk (2.6.18)
+    zeitwerk (2.7.1)
 
 PLATFORMS
   arm64-darwin
@@ -333,7 +334,7 @@ DEPENDENCIES
   rubocop-thread_safety
   rubocop-yard
   sprockets-rails
-  sqlite3 (~> 1.7)
+  sqlite3
   steep
   tanshuku!
   thin

app/models/tanshuku/url.rb

@@ -167,6 +167,10 @@ def self.report_exception(exception:, original_url:)
     # @param url_options [Hash] An option for Rails’ +url_for+.
     #
     # @return [String] A shortened URL.
+    #
+    # @note
+    #   In Rails 8.0 or later, this method loads the routes before calling +url_for+ as Tanshuku depends on them.
+    #   cf. https://github.com/rails/rails/pull/52353
     def shortened_url(url_options = {})
       url_options = url_options.symbolize_keys
       url_options[:controller] = "tanshuku/urls"
@@ -175,6 +179,25 @@ def shortened_url(url_options = {})
 
       Tanshuku::Engine.routes.url_for(url_options)
     end
+
+    case Gem::Version.new(Rails.version)
+    when "7.0"..."8.0"
+      # Don’t define `#shortened_url` in this branch because YARD doesn’t recognize the method.
+    else
+      # Overwrite the `#shortened_url` in Rails 8.0 or later.
+      # rubocop:disable Lint/DuplicateMethods
+      def shortened_url(url_options = {})
+        Rails.application.reload_routes_unless_loaded
+
+        url_options = url_options.symbolize_keys
+        url_options[:controller] = "tanshuku/urls"
+        url_options[:action] = :show
+        url_options[:key] = key
+
+        Tanshuku::Engine.routes.url_for(url_options)
+      end
+      # rubocop:enable Lint/DuplicateMethods
+    end
   end
   # rubocop:enable Rails/ApplicationRecord
 end

spec/dummy/app/assets/config/manifest.js

@@ -1,3 +1,4 @@
+// TODO: Remove this file when support for Rails 7.2 is dropped.
 //= link_tree ../images
 //= link_directory ../stylesheets .css
 //= link tanshuku_manifest.js

spec/dummy/app/channels/application_cable/channel.rb

@@ -1,3 +1,4 @@
+# TODO: Remove this file when support for Rails 7.2 is dropped.
 module ApplicationCable
   class Channel < ActionCable::Channel::Base
   end

spec/dummy/app/channels/application_cable/connection.rb

@@ -1,3 +1,4 @@
+# TODO: Remove this file when support for Rails 7.2 is dropped.
 module ApplicationCable
   class Connection < ActionCable::Connection::Base
   end

spec/dummy/app/controllers/application_controller.rb

@@ -1,2 +1,4 @@
 class ApplicationController < ActionController::Base
+  # Only allow modern browsers supporting webp images, web push, badges, import maps, CSS nesting, and CSS :has.
+  # allow_browser versions: :modern
 end

spec/dummy/app/views/layouts/application.html.erb

@@ -1,12 +1,34 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <title>Dummy</title>
+    <title><%= content_for(:title) || "Dummy" %></title>
     <meta name="viewport" content="width=device-width,initial-scale=1">
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="mobile-web-app-capable" content="yes">
     <%= csrf_meta_tags %>
     <%= csp_meta_tag %>
 
-    <%= stylesheet_link_tag "application" %>
+    <%= yield :head %>
+
+    <% case Gem::Version.new(Rails.version) %>
+    <% when "7.0"..."8.0" %>
+      <link rel="manifest" href="/manifest.json">
+    <% else %>
+      <%# Enable PWA manifest for installable apps (make sure to enable in config/routes.rb too!) %>
+      <%#= tag.link rel: "manifest", href: pwa_manifest_path(format: :json) %>
+    <% end %>
+
+    <link rel="icon" href="/icon.png" type="image/png">
+    <link rel="icon" href="/icon.svg" type="image/svg+xml">
+    <link rel="apple-touch-icon" href="/icon.png">
+
+    <% case Gem::Version.new(Rails.version) %>
+    <% when "7.0"..."8.0" %>
+      <%= stylesheet_link_tag "application" %>
+    <% else %>
+      <%# Includes all stylesheet files in app/assets/stylesheets %>
+      <%= stylesheet_link_tag :app %>
+    <% end %>
   </head>
 
   <body>

spec/dummy/app/views/layouts/mailer.html.erb

@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
     <style>
       /* Email styles need to be inline */
     </style>

spec/dummy/app/views/pwa/manifest.json.erb

@@ -0,0 +1,22 @@
+{
+  "name": "Dummy",
+  "icons": [
+    {
+      "src": "/icon.png",
+      "type": "image/png",
+      "sizes": "512x512"
+    },
+    {
+      "src": "/icon.png",
+      "type": "image/png",
+      "sizes": "512x512",
+      "purpose": "maskable"
+    }
+  ],
+  "start_url": "/",
+  "display": "standalone",
+  "scope": "/",
+  "description": "Dummy.",
+  "theme_color": "red",
+  "background_color": "red"
+}