Adds BundleReport CLI class to an entry point from executable file

exe/bundle_report

@@ -1,78 +1,6 @@
 #!/usr/bin/env ruby
-#
-# Print a report on our Gemfile
-# Why not just use `bundle outdated`? It doesn't give us the information we care about (and it fails).
-#
-at_exit do
-  require "optparse"
-  require "next_rails"
-
-  options = {}
-  option_parser = OptionParser.new do |opts|
-    opts.banner = <<-EOS
-      Usage: #{$0} [report-type] [options]
-
-      report-type  There are two report types available: `outdated` and `compatibility`
-
-      Examples:
-        #{$0} compatibility --rails-version 5.0
-        #{$0} compatibility --ruby-version 3.3
-        #{$0} outdated
-        #{$0} outdated --json
-
-      ruby_check To find a compatible ruby version for the target rails version
-
-      Examples:
-        #{$0} ruby_check --rails-version 7.0.0
-
-    EOS
-
-    opts.separator ""
-    opts.separator "Options:"
-
-    opts.on("--rails-version [STRING]", "Rails version to check compatibility against (defaults to 5.0)") do |rails_version|
-      options[:rails_version] = rails_version
-    end
-
-    opts.on("--ruby-version [STRING]", "Ruby version to check compatibility against (defaults to 2.3)") do |ruby_version|
-      options[:ruby_version] = ruby_version
-    end
-
-    opts.on("--include-rails-gems", "Include Rails gems in compatibility report (defaults to false)") do
-      options[:include_rails_gems] = true
-    end
-
-    opts.on("--json", "Output JSON in outdated report (defaults to false)") do
-      options[:format] = 'json'
-    end
-
-    opts.on_tail("-h", "--help", "Show this message") do
-      puts opts
-      exit
-    end
-  end
-
-  begin
-    option_parser.parse!
-  rescue OptionParser::ParseError => e
-    STDERR.puts Rainbow(e.message).red
-    puts option_parser
-    exit 1
-  end
-
-  report_type = ARGV.first
-
-  case report_type
-  when "ruby_check" then NextRails::BundleReport.compatible_ruby_version(rails_version: options.fetch(:rails_version))
-  when "outdated" then NextRails::BundleReport.outdated(options.fetch(:format, nil))
-  else
-    if options[:ruby_version]
-      NextRails::BundleReport.ruby_compatibility(ruby_version: options.fetch(:ruby_version, "2.3"))
-    else
-      NextRails::BundleReport.rails_compatibility(rails_version: options.fetch(:rails_version, "5.0"), include_rails_gems: options.fetch(:include_rails_gems, false))
-    end
-  end
-end
 
 # Needs to happen first
-require "bundler/setup"
+require 'bundler/setup'
+require 'next_rails'
+NextRails::BundleReport::CLI.new(ARGV).generate

lib/next_rails.rb

@@ -4,6 +4,7 @@
 require "next_rails/version"
 require "next_rails/init"
 require "next_rails/bundle_report"
+require "next_rails/bundle_report/cli"
 require "next_rails/bundle_report/ruby_version_compatibility"
 require "next_rails/bundle_report/rails_version_compatibility"
 require "deprecation_tracker"

lib/next_rails/bundle_report/cli.rb

@@ -0,0 +1,86 @@
+# frozen_string_literal: true
+class NextRails::BundleReport::CLI
+  def initialize(argv)
+    validate_arguments(argv)
+  end
+
+  def validate_arguments(argv)
+    # TODO: validate the arguments
+  end
+
+  def generate
+    # Print a report on our Gemfile
+    # Why not just use `bundle outdated`? It doesn"t give us the information we care about (and it fails).
+    at_exit do
+      require "optparse"
+      require "next_rails"
+
+      options = {}
+      option_parser = OptionParser.new do |opts|
+        opts.banner = <<-EOS
+          Usage: #{$0} [report-type] [options]
+
+          report-type  There are two report types available: `outdated` and `compatibility`
+
+          Examples:
+            #{$0} compatibility --rails-version 5.0
+            #{$0} compatibility --ruby-version 3.3
+            #{$0} outdated
+            #{$0} outdated --json
+
+          ruby_check To find a compatible ruby version for the target rails version
+
+          Examples:
+            #{$0} ruby_check --rails-version 7.0.0
+
+        EOS
+
+        opts.separator ""
+        opts.separator "Options:"
+
+        opts.on("--rails-version [STRING]", "Rails version to check compatibility against (defaults to 5.0)") do |rails_version|
+          options[:rails_version] = rails_version
+        end
+
+        opts.on("--ruby-version [STRING]", "Ruby version to check compatibility against (defaults to 2.3)") do |ruby_version|
+          options[:ruby_version] = ruby_version
+        end
+
+        opts.on("--include-rails-gems", "Include Rails gems in compatibility report (defaults to false)") do
+          options[:include_rails_gems] = true
+        end
+
+        opts.on("--json", "Output JSON in outdated report (defaults to false)") do
+          options[:format] = "json"
+        end
+
+        opts.on_tail("-h", "--help", "Show this message") do
+          puts opts
+          exit
+        end
+      end
+
+      begin
+        option_parser.parse!
+      rescue OptionParser::ParseError => e
+        STDERR.puts Rainbow(e.message).red
+        puts option_parser
+        exit 1
+      end
+
+      report_type = ARGV.first
+
+      case report_type
+      when "ruby_check" then NextRails::BundleReport.compatible_ruby_version(rails_version: options.fetch(:rails_version))
+      when "outdated" then bundle_report = NextRails::BundleReport.new
+        bundle_report.(options.fetch(:format, nil))
+      else
+        if options[:ruby_version]
+          NextRails::BundleReport.ruby_compatibility(ruby_version: options.fetch(:ruby_version, "2.3"))
+        else
+          NextRails::BundleReport.rails_compatibility(rails_version: options.fetch(:rails_version, "5.0"), include_rails_gems: options.fetch(:include_rails_gems, false))
+        end
+      end
+    end
+  end
+end