Run react_on_rails:install generator

- Run rails generate react_on_rails:install
- Configure Shakapacker webpack integration
- Add HelloWorld example component and controller
- Set up webpack configuration for client and server bundles
- Add Procfile.dev variants for different asset modes
- Configure babel for React development
- Install npm dependencies for webpack and React
- Fix RuboCop linting issues in generated files

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: justin808

.gitignore

@@ -32,3 +32,14 @@
 
 # Ignore master key for decrypting credentials and more.
 /config/master.key
+
+/public/packs
+/public/packs-test
+/node_modules
+/yarn-error.log
+yarn-debug.log*
+.yarn-integrity
+
+# Generated React on Rails packs
+**/generated/**
+ssr-generated

Procfile.dev

@@ -0,0 +1,5 @@
+# Procfile for development using HMR
+# You can run these commands in separate shells
+rails: bundle exec rails s -p 3000
+wp-client: WEBPACK_SERVE=true bin/shakapacker-dev-server
+wp-server: SERVER_BUNDLE_ONLY=yes bin/shakapacker --watch

Procfile.dev-prod-assets

@@ -0,0 +1,8 @@
+# Procfile for development with production assets 
+# Uses production-optimized, precompiled assets with development environment
+# Uncomment additional processes as needed for your app
+
+rails: bundle exec rails s -p 3001
+# sidekiq: bundle exec sidekiq -C config/sidekiq.yml
+# redis: redis-server
+# mailcatcher: mailcatcher --foreground

Procfile.dev-static-assets

@@ -0,0 +1,2 @@
+web: bin/rails server -p 3000
+js: bin/shakapacker --watch

app/controllers/hello_world_controller.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class HelloWorldController < ApplicationController
+  layout "hello_world"
+
+  def index
+    @hello_world_props = { name: "Stranger" }
+  end
+end

app/javascript/packs/application.js

@@ -0,0 +1,15 @@
+/* eslint no-console:0 */
+// This file is automatically compiled by Webpack, along with any other files
+// present in this directory. You're encouraged to place your actual application logic in
+// a relevant structure within app/javascript and only use these pack files to reference
+// that code so it'll be compiled.
+//
+// To reference this file, add <%= javascript_pack_tag 'application' %> to the appropriate
+// layout file, like app/views/layouts/application.html.erb
+
+// Uncomment to copy all static images under ./images to the output folder and reference
+// them with the image_pack_tag helper in views (e.g <%= image_pack_tag 'rails.png' %>)
+// or the `imagePath` JavaScript helper below.
+//
+// const images = require.context('./images', true)
+// const imagePath = (name) => images(name, true)

app/javascript/packs/server-bundle.js

@@ -0,0 +1 @@
+// Placeholder comment - auto-generated imports will be prepended here by react_on_rails:generate_packs

app/javascript/src/HelloWorld/ror_components/HelloWorld.client.jsx

@@ -0,0 +1,21 @@
+import React, { useState } from 'react';
+import * as style from './HelloWorld.module.css';
+
+const HelloWorld = (props) => {
+  const [name, setName] = useState(props.name);
+
+  return (
+    <div>
+      <h3>Hello, {name}!</h3>
+      <hr />
+      <form>
+        <label className={style.bright} htmlFor="name">
+          Say hello to:
+          <input id="name" type="text" value={name} onChange={(e) => setName(e.target.value)} />
+        </label>
+      </form>
+    </div>
+  );
+};
+
+export default HelloWorld;

app/javascript/src/HelloWorld/ror_components/HelloWorld.module.css

@@ -0,0 +1,4 @@
+.bright {
+  color: green;
+  font-weight: bold;
+}

app/javascript/src/HelloWorld/ror_components/HelloWorld.server.jsx

@@ -0,0 +1,5 @@
+import HelloWorld from './HelloWorld.client';
+// This could be specialized for server rendering
+// For example, if using React Router, we'd have the SSR setup here.
+
+export default HelloWorld;