Class: Wasmify::InstallGenerator

Inherits:
Rails::Generators::Base
  • Object
show all
Defined in:
lib/generators/wasmify/install/install_generator.rb

Constant Summary collapse

KNOWN_NO_WASM_GEMS = 
%w[
  bootsnap
  puma
  sqlite3
  activerecord-enhancedsqlite3-adapter
  pg
  mysql2
  redis
  solid_cable
  solid_queue
  solid_cache
  jsbundling-rails
  cssbundling-rails
  tailwindcss-rails
  thruster
  kamal
  byebug
  web-console
  listen
  spring
  debug
].freeze

Instance Method Summary collapse

Instance Method Details

#add_tzinfo_data_to_gemfile ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 67

def add_tzinfo_data_to_gemfile
  # First, comment out the existing tzinfo-data gem declaration
  comment_lines "Gemfile", /^gem ['"]tzinfo-data['"]/

  append_to_file "Gemfile", "\n    group :wasm do\n      gem \"tzinfo-data\"\n    end\n  RUBY\nend\n"

#add_wasm_group_to_gemfile ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 102

def add_wasm_group_to_gemfile
  # This is a very straightforward implementation:
  # - scan the Gemfile for _root_ dependencies (not within groups)
  # - add `group: [:default, :wasm]` to those not from the exclude list

  top_gems = []

  File.read("Gemfile").then do |gemfile|
    gemfile.scan(/^gem ['"]([^'"]+)['"](.*)$/).each do |match|
      gem_name = match.first
      top_gems << gem_name unless match.last&.include?(":wasm")
    end
  end

  gems_to_include = top_gems - KNOWN_NO_WASM_GEMS

  return if gems_to_include.empty?

  regexp = /^gem ['"](?:#{gems_to_include.join("|")})['"][^#\n]*/

  gsub_file "Gemfile", regexp do |match|
    match << ", group: [:default, :wasm]"
  end
end

#configure_action_cable ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 18

def configure_action_cable
  in_root do
    next unless File.file?("config/cable.yml")

    append_to_file "config/cable.yml", "\n      wasm:\n        adapter: <%= ENV.fetch(\"ACTION_CABLE_ADAPTER\") { \"inline\" } %>\n    EOF\n  end\nend\n"

#configure_boot_file ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 50

def configure_boot_file
  inject_into_file "config/boot.rb", after: /require ['"]bundler\/setup['"]/ do
    " unless RUBY_PLATFORM =~ /wasm/"
  end

  # Disable bootsnap if any
  inject_into_file "config/boot.rb", after: /require ['"]bootsnap\/setup['"]/ do
    %q( unless ENV["RAILS_ENV"] == "wasm")
  end
end

#configure_database ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 11

def configure_database
   append_to_file "config/database.yml", "      wasm:\n        adapter: <%= ENV.fetch(\"ACTIVE_RECORD_ADAPTER\") { \"nulldb\" } %>\n   EOF\nend\n"

#configure_gitignore ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 30

def configure_gitignore
  append_to_file ".gitignore", "    # Ignore the compiled WebAssembly modules\n    *.wasm\n    # Ignore ruby.wasm build artefacts\n    build/\n    rubies/\n    dist/\n  EOF\nend\n"

#copy_files ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 6

def copy_files
  template "config/wasmify.yml"
  template "config/environments/wasm.rb"
end

#disable_ruby_version_check_in_gemfile ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 61

def disable_ruby_version_check_in_gemfile
  inject_into_file "Gemfile", after: /^ruby[^#\n]+/ do
    " unless RUBY_PLATFORM =~ /wasm/"
  end
end

#finish ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 133

def finish
  run "bundle install"

  say_status :info, "✅ The application is prepared for Wasm-ification!\n\n" \
                    "Next steps are:\n" \
                    " - Check your Gemfile: add `group: [:default, :wasm]` to the dependencies required in Wasm runtime" \
                    " - Run `bin/rails wasmify:build:core:verify` to see if the bundle compiles"
end

#fix_solid_queeue_production_config ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 127

def fix_solid_queeue_production_config
  inject_into_file "config/environments/production.rb", after: %r{config.solid_queue.connects_to = [^#\n]+} do
    " if config.respond_to?(:solid_queue)"
  end
end

#inject_wasmify_shim_into_environment ⇒ Object 



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# File 'lib/generators/wasmify/install/install_generator.rb', line 41

def inject_wasmify_shim_into_environment
  inject_into_file "config/application.rb", after: /require_relative\s+['"]boot['"]\n/ do
    "\n      require \"wasmify/rails/shim\"\n    RUBY\n  end\nend\n"