refactor: Replace bash scripts with Ruby equivalents

.rubocop.yml

@@ -13,17 +13,16 @@ AllCops:
     - 'demos/**/tmp/**/*'
     - 'demos/**/vendor/**/*'
     - 'packages/shakacode_demo_common/node_modules/**/*'
-    - 'bin/**/*'
-    - 'scripts/**/*'
 
-# Allow longer blocks in specs and Rakefiles
+# Allow longer blocks in specs, Rakefiles, and bin scripts
 Metrics/BlockLength:
   Exclude:
     - 'spec/**/*_spec.rb'
     - '**/*Rakefile'
     - 'Rakefile'
     - '**/Rakefile'
     - 'packages/shakacode_demo_common/lib/tasks/**/*.rake'
+    - 'bin/*'
 
 # Allow longer methods in demo creation (complex setup)
 Metrics/MethodLength:
@@ -32,9 +31,11 @@ Metrics/MethodLength:
     - 'lib/demo_scripts/demo_creator.rb'
     - 'lib/demo_scripts/demo_scaffolder.rb'
 
-# Allow longer classes for demo creators (lots of setup code)
+# Allow longer classes for demo creators and bin scripts (lots of setup code)
 Metrics/ClassLength:
   Max: 300
+  Exclude:
+    - 'bin/*'
 
 # Allow more complex methods for demo scaffolding
 Metrics/AbcSize:

CONTRIBUTING.md

@@ -32,7 +32,7 @@ git clone https://github.com/shakacode/react_on_rails-demos.git
 cd react_on_rails-demos
 
 # Bootstrap all demos
-./scripts/bootstrap-all.sh
+bin/bootstrap-all
 ```
 
 ## Working with Demos
@@ -67,7 +67,7 @@ See the [README](./README.md#create-a-new-demo) for detailed usage examples.
 Run tests for all demos:
 
 ```bash
-./scripts/test-all.sh
+bin/test-all
 ```
 
 Run tests for a specific demo:

README.md

@@ -69,13 +69,13 @@ See [Development Setup](./docs/CONTRIBUTING_SETUP.md) for details.
 ### Bootstrap All Demos
 
 ```bash
-./scripts/bootstrap-all.sh
+bin/bootstrap-all
 ```
 
 ### Run Tests Across All Demos
 
 ```bash
-./scripts/test-all.sh
+bin/test-all
 ```
 
 ### Create a New Demo
@@ -151,7 +151,20 @@ bin/update-all-demos --demos "demo-v16-*" --react-on-rails-version '~> 16.1'
 bin/update-all-demos --help
 ```
 
-**Note:** Ruby scripts (in `bin/`) are fully tested and recommended. Bash scripts (in `scripts/`) are kept for compatibility.
+#### 4. `bin/apply-shared` - Apply Shared Configurations
+
+Creates symlinks to shared configuration files and adds the shakacode_demo_common gem to all demos.
+
+```bash
+# Apply shared configs to all demos
+bin/apply-shared
+
+# Dry run mode to see what would be done
+bin/apply-shared --dry-run
+
+# Show help
+bin/apply-shared --help
+```
 
 Default versions are configured in `.new-demo-versions`. Override with command-line flags.
 
@@ -168,7 +181,7 @@ REACT_ON_RAILS_VERSION="~> 16.0"
 
 - Use `--shakapacker-version` and `--react-on-rails-version` flags
 - Supports version constraints (`~> 8.0`) or exact versions (`8.0.0`)
-- Example: `./scripts/new-demo.sh my-demo --react-on-rails-version '16.1.0'`
+- Example: `bin/new-demo my-demo --react-on-rails-version '16.1.0'`
 
 ## Shared Configuration
 

bin/apply-shared

@@ -0,0 +1,121 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'bundler/setup'
+require_relative '../lib/demo_scripts'
+require 'pathname'
+require 'optparse'
+
+module DemoScripts
+  # Applies shared configurations to all demos
+  class SharedConfigApplier < DemoManager
+    CONFIG_FILES = {
+      '.rubocop.yml' => 'config/rubocop.yml',
+      'eslint.config.js' => 'configs/eslint.config.js',
+      'prettier.config.js' => 'configs/prettier.config.js'
+    }.freeze
+
+    def apply!
+      validate_directories!
+
+      puts '🔧 Applying shared configurations to all demos...'
+
+      each_demo do |demo_path|
+        apply_to_demo(demo_path)
+      end
+
+      puts '✅ Shared configurations applied successfully!'
+    end
+
+    private
+
+    def validate_directories!
+      raise Error, 'packages/shakacode_demo_common directory not found' unless shakacode_demo_common_exists?
+    end
+
+    def apply_to_demo(demo_path)
+      puts "📦 Updating #{demo_name(demo_path)}..."
+      create_config_symlinks(demo_path)
+      update_gemfile(demo_path)
+    end
+
+    def create_config_symlinks(demo_path)
+      CONFIG_FILES.each do |target_name, source_path|
+        source_file = File.join(@shakacode_demo_common_path, source_path)
+        next unless File.exist?(source_file)
+
+        create_symlink(source_file, File.join(demo_path, target_name), target_name)
+      end
+    end
+
+    def create_symlink(source, target, name)
+      relative_source = calculate_relative_path(target, source)
+      puts "  Linking #{name}..."
+
+      if @dry_run
+        puts "  [DRY-RUN] ln -sf #{relative_source} #{target}"
+      else
+        # Use force: true for atomic symlink creation to avoid race conditions
+        FileUtils.ln_s(relative_source, target, force: true)
+      end
+    end
+
+    def update_gemfile(demo_path)
+      gemfile_path = File.join(demo_path, 'Gemfile')
+      return unless File.exist?(gemfile_path)
+
+      if File.read(gemfile_path).include?('shakacode_demo_common')
+        puts '  shakacode_demo_common already in Gemfile'
+        return
+      end
+
+      add_gem_to_gemfile(gemfile_path)
+    end
+
+    def add_gem_to_gemfile(gemfile_path)
+      puts '  Adding shakacode_demo_common to Gemfile...'
+      addition = <<~GEM
+
+        # Shared demo configuration and utilities
+        gem "shakacode_demo_common", path: "../../packages/shakacode_demo_common"
+      GEM
+
+      if @dry_run
+        puts "  [DRY-RUN] Would append to #{gemfile_path}"
+      else
+        File.open(gemfile_path, 'a') { |f| f.puts addition }
+      end
+    end
+
+    def calculate_relative_path(from, to)
+      Pathname.new(to).relative_path_from(Pathname.new(File.dirname(from))).to_s
+    end
+  end
+end
+
+# Main execution
+options = { dry_run: false }
+
+parser = OptionParser.new do |opts|
+  opts.banner = 'Usage: bin/apply-shared [options]'
+  opts.separator ''
+  opts.separator 'Apply shared configurations to all demos'
+  opts.separator ''
+
+  opts.on('--dry-run', 'Show what would be done') { options[:dry_run] = true }
+  opts.on('-h', '--help', 'Show this help') do
+    puts opts
+    exit
+  end
+end
+
+begin
+  parser.parse!
+  DemoScripts::SharedConfigApplier.new(**options).apply!
+rescue DemoScripts::Error => e
+  warn "Error: #{e.message}"
+  exit 1
+rescue StandardError => e
+  warn "Unexpected error: #{e.message}"
+  exit 1
+end

bin/bootstrap-all

@@ -0,0 +1,94 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require 'bundler/setup'
+require_relative '../lib/demo_scripts'
+require 'optparse'
+
+module DemoScripts
+  # Bootstraps all demo applications
+  class Bootstrapper < DemoManager
+    def bootstrap!
+      puts '🚀 Bootstrapping all React on Rails demos...'
+
+      bootstrap_shakacode_demo_common
+      bootstrap_demos
+
+      puts "\n✅ Bootstrap complete!"
+    end
+
+    private
+
+    def bootstrap_shakacode_demo_common
+      return unless shakacode_demo_common_exists?
+
+      puts '📦 Installing shakacode_demo_common dependencies...'
+      Dir.chdir(@shakacode_demo_common_path) do
+        install_dependencies
+      end
+    end
+
+    def bootstrap_demos
+      each_demo do |demo_path|
+        bootstrap_demo(demo_path)
+      end
+    end
+
+    def bootstrap_demo(demo_path)
+      puts "\n📦 Bootstrapping #{demo_name(demo_path)}..."
+      Dir.chdir(demo_path) do
+        install_dependencies
+        setup_database if rails?
+      end
+    end
+
+    def install_dependencies
+      install_ruby_dependencies if gemfile?
+      install_javascript_dependencies if package_json?
+    end
+
+    def install_ruby_dependencies
+      puts '  Installing Ruby dependencies...'
+      run_command('bundle install')
+    end
+
+    def install_javascript_dependencies
+      puts '  Installing JavaScript dependencies...'
+      cmd = command_exists?('pnpm') ? 'pnpm install' : 'npm install'
+      run_command(cmd)
+    end
+
+    def setup_database
+      puts '  Setting up database...'
+      run_command('bin/rails db:prepare', allow_failure: true)
+    end
+  end
+end
+
+# Main execution
+options = { dry_run: false, verbose: false }
+
+parser = OptionParser.new do |opts|
+  opts.banner = 'Usage: bin/bootstrap-all [options]'
+  opts.separator ''
+  opts.separator 'Bootstrap all demo applications'
+  opts.separator ''
+
+  opts.on('--dry-run', 'Show what would be done') { options[:dry_run] = true }
+  opts.on('-v', '--verbose', 'Show detailed output') { options[:verbose] = true }
+  opts.on('-h', '--help', 'Show this help') do
+    puts opts
+    exit
+  end
+end
+
+begin
+  parser.parse!
+  DemoScripts::Bootstrapper.new(**options).bootstrap!
+rescue DemoScripts::Error => e
+  warn "Error: #{e.message}"
+  exit 1
+rescue StandardError => e
+  warn "Unexpected error: #{e.message}"
+  exit 1
+end