Support initializer & instance-initializer for ES6 module compilation

lib/ember_rails.rb

@@ -18,7 +18,21 @@ class Railtie < ::Rails::Railtie
       config.ember = ActiveSupport::OrderedOptions.new
       config.ember.module_prefix = 'ember-app'
       config.ember.prefix_files = %w(store router)
-      config.ember.prefix_dirs = %w(models controllers views routes components helpers mixins services serializers adapters transforms)
+      config.ember.prefix_dirs = %w(
+        models
+        controllers
+        views
+        routes
+        components
+        helpers
+        mixins
+        services
+        initializers
+        instance-initializers
+        serializers
+        adapters
+        transforms
+      )
 
       generators do |app|
         app.config.generators.assets = false

lib/generators/ember/initializer_generator.rb

@@ -0,0 +1,23 @@
+require 'generators/ember/generator_helpers'
+
+module Ember
+  module Generators
+    class InitializerGenerator < ::Rails::Generators::NamedBase
+      include Ember::Generators::GeneratorHelpers
+
+      source_root File.expand_path("../../templates", __FILE__)
+
+      desc "Creates a new Ember.js initializer"
+
+      class_option :javascript_engine, :desc => "Engine for JavaScripts"
+      class_option :ember_path, :type => :string, :aliases => "-d", :default => false, :desc => "Custom ember app path"
+      class_option :app_name, :type => :string, :aliases => "-n", :default => false, :desc => "Custom ember app name"
+
+      def create_initializer_files
+        file_path = File.join(ember_path, 'initializers', class_path, "#{file_name.dasherize}.#{engine_extension}")
+
+        template "initializer.#{engine_extension}", file_path
+      end
+    end
+  end
+end

lib/generators/ember/instance_initializer_generator.rb

@@ -0,0 +1,23 @@
+require 'generators/ember/generator_helpers'
+
+module Ember
+  module Generators
+    class InstanceInitializerGenerator < ::Rails::Generators::NamedBase
+      include Ember::Generators::GeneratorHelpers
+
+      source_root File.expand_path("../../templates", __FILE__)
+
+      desc "Creates a new Ember.js instance initializer"
+
+      class_option :javascript_engine, :desc => "Engine for JavaScripts"
+      class_option :ember_path, :type => :string, :aliases => "-d", :default => false, :desc => "Custom ember app path"
+      class_option :app_name, :type => :string, :aliases => "-n", :default => false, :desc => "Custom ember app name"
+
+      def create_instance_initializer_files
+        file_path = File.join(ember_path, 'instance-initializers', class_path, "#{file_name.dasherize}.#{engine_extension}")
+
+        template "instance-initializer.#{engine_extension}", file_path
+      end
+    end
+  end
+end

lib/generators/templates/initializer.coffee

@@ -0,0 +1,6 @@
+<%= application_name.camelize %>.initializer({
+  name: '<%= class_name.underscore.dasherize %>'
+
+  initialize: ->
+    # Write your initializer here
+})

lib/generators/templates/initializer.em

@@ -0,0 +1,5 @@
+<%= application_name.camelize %>.initializer
+  name: '<%= class_name.underscore.dasherize %>'
+
+  initialize: ->
+    # Write your initializer here

lib/generators/templates/initializer.js

@@ -0,0 +1,7 @@
+<%= application_name.camelize %>.initializer({
+  name: '<%= class_name.underscore.dasherize %>',
+
+  initialize: function() {
+    // Write your initializer here
+  }
+});

lib/generators/templates/initializer.module.es6

@@ -0,0 +1,7 @@
+export default {
+  name: '<%= class_name.underscore.dasherize %>',
+
+  initialize() {
+    // Write your initializer here
+  }
+};

lib/generators/templates/instance-initializer.coffee

@@ -0,0 +1,6 @@
+<%= application_name.camelize %>.instanceInitializer({
+  name: '<%= class_name.underscore.dasherize %>'
+
+  initialize: (application) ->
+    # Write your initializer here
+})

lib/generators/templates/instance-initializer.em

@@ -0,0 +1,6 @@
+<%= application_name.camelize %>.instanceInitializer({
+  name: '<%= class_name.underscore.dasherize %>'
+
+  initialize: (application) ->
+    # Write your initializer here
+})

lib/generators/templates/instance-initializer.js

@@ -0,0 +1,7 @@
+<%= application_name.camelize %>.instanceInitializer({
+  name: '<%= class_name.underscore.dasherize %>',
+
+  initialize: function(application) {
+    // Write your initializer here
+  }
+});

lib/generators/templates/instance-initializer.module.es6

@@ -0,0 +1,7 @@
+export default {
+  name: '<%= class_name.underscore.dasherize %>',
+
+  initialize(application) {
+    // Write your initializer here
+  }
+};

test/dummy/app/assets/javascripts/initializers/user.module.es6

@@ -0,0 +1,6 @@
+export default {
+  name: 'ping',
+  initialize() {
+    console.log('ping');
+  }
+};

test/dummy/app/assets/javascripts/instance-initializers/user.module.es6

@@ -0,0 +1,6 @@
+export default {
+  name: 'ping',
+  initialize() {
+    console.log('ping');
+  }
+};

test/es6_module_test.rb

@@ -2,7 +2,7 @@
 
 class Es6ModuleTest < IntegrationTest
 
-  %w(models controllers views routes components helpers mixins services serializers adapters transforms).each do |type|
+  %w(models controllers views routes components helpers mixins services initializers instance-initializers serializers adapters transforms).each do |type|
     test "#{type} type module should be registered with module_prefix" do
       get "/assets/#{type}/user.js"
       assert_response :success

test/generators/bootstrap_generator_test.rb

@@ -162,7 +162,7 @@ def assert_invoked_generators_files(options = {})
   def assert_new_dirs(options = {})
     path = options[:in_path] || ember_path
 
-    %W{models controllers views helpers components templates templates/components routes mixins adapters}.each do |dir|
+    %W{models controllers views helpers components templates templates/components routes mixins services initializers serializers adapters transforms}.each do |dir|
       assert_directory "#{path}/#{dir}"
       assert_file "#{path}/#{dir}/.gitkeep" unless options[:skip_git]
     end

test/generators/initializer_generator_test.rb

@@ -0,0 +1,76 @@
+require 'test_helper'
+require 'generators/ember/initializer_generator'
+
+class InitializerGeneratorTest < Rails::Generators::TestCase
+  tests Ember::Generators::InitializerGenerator
+
+  destination File.join(Rails.root, "tmp", "generator_test_output")
+  setup :prepare_destination
+
+  def copy_directory(dir)
+    source = Rails.root.join(dir)
+    dest = Rails.root.join("tmp", "generator_test_output", File.dirname(dir))
+
+    FileUtils.mkdir_p dest
+    FileUtils.cp_r source, dest
+  end
+
+  def prepare_destination
+    super
+
+    copy_directory "app/assets/javascripts"
+    copy_directory "config"
+  end
+
+  %w(js coffee em es6).each do |engine|
+
+    test "create initializer with #{engine} engine" do
+      run_generator ["inject-session","--javascript-engine=#{engine}"]
+      assert_file "app/assets/javascripts/initializers/inject-session.#{engine_to_extension(engine)}"
+    end
+
+    test "create namespaced initializer with #{engine} engine" do
+      run_generator ["user/inject-session","--javascript-engine=#{engine}"]
+      assert_file "#{ember_path}/initializers/user/inject-session.#{engine_to_extension(engine)}", /\.initializer|export default {/
+    end
+  end
+
+  test "Assert files are properly created" do
+    run_generator %w(inject-session)
+    assert_file "#{ember_path}/initializers/inject-session.js"
+  end
+
+  test "Assert files are properly created with custom path" do
+    custom_path = ember_path("custom")
+    run_generator [ "inject-session", "-d", custom_path ]
+    assert_file "#{custom_path}/initializers/inject-session.js"
+  end
+
+  test "Assert files are properly created with custom app name" do
+    run_generator [ "inject-session", "-n", "MyApp" ]
+    assert_file "#{ember_path}/initializers/inject-session.js", /MyApp\.initializer/
+  end
+
+  test "Uses config.ember.app_name as the app name" do
+    begin
+      old, ::Rails.configuration.ember.app_name = ::Rails.configuration.ember.app_name, 'MyApp'
+
+      run_generator %w(inject-session)
+      assert_file "#{ember_path}/initializers/inject-session.js", /MyApp\.initializer/
+    ensure
+      ::Rails.configuration.ember.app_name = old
+    end
+  end
+
+  private
+
+  def ember_path(custom_path = nil)
+   "app/assets/javascripts/#{custom_path}".chomp('/')
+  end
+
+  def engine_to_extension(engine)
+    engine = "module.#{engine}" if engine == 'es6'
+    engine
+  end
+
+end

test/generators/instance_initializer_generator_test.rb

@@ -0,0 +1,76 @@
+require 'test_helper'
+require 'generators/ember/instance_initializer_generator'
+
+class InstanceInitializerGeneratorTest < Rails::Generators::TestCase
+  tests Ember::Generators::InstanceInitializerGenerator
+
+  destination File.join(Rails.root, "tmp", "generator_test_output")
+  setup :prepare_destination
+
+  def copy_directory(dir)
+    source = Rails.root.join(dir)
+    dest = Rails.root.join("tmp", "generator_test_output", File.dirname(dir))
+
+    FileUtils.mkdir_p dest
+    FileUtils.cp_r source, dest
+  end
+
+  def prepare_destination
+    super
+
+    copy_directory "app/assets/javascripts"
+    copy_directory "config"
+  end
+
+  %w(js coffee em es6).each do |engine|
+
+    test "create instance initializer with #{engine} engine" do
+      run_generator ["inject-session","--javascript-engine=#{engine}"]
+      assert_file "app/assets/javascripts/instance-initializers/inject-session.#{engine_to_extension(engine)}"
+    end
+
+    test "create namespaced initializer with #{engine} engine" do
+      run_generator ["user/inject-session","--javascript-engine=#{engine}"]
+      assert_file "#{ember_path}/instance-initializers/user/inject-session.#{engine_to_extension(engine)}", /\.instanceInitializer|export default {/
+    end
+  end
+
+  test "Assert files are properly created" do
+    run_generator %w(inject-session)
+    assert_file "#{ember_path}/instance-initializers/inject-session.js"
+  end
+
+  test "Assert files are properly created with custom path" do
+    custom_path = ember_path("custom")
+    run_generator [ "inject-session", "-d", custom_path ]
+    assert_file "#{custom_path}/instance-initializers/inject-session.js"
+  end
+
+  test "Assert files are properly created with custom app name" do
+    run_generator [ "inject-session", "-n", "MyApp" ]
+    assert_file "#{ember_path}/instance-initializers/inject-session.js", /MyApp\.instanceInitializer/
+  end
+
+  test "Uses config.ember.app_name as the app name" do
+    begin
+      old, ::Rails.configuration.ember.app_name = ::Rails.configuration.ember.app_name, 'MyApp'
+
+      run_generator %w(inject-session)
+      assert_file "#{ember_path}/instance-initializers/inject-session.js", /MyApp\.instanceInitializer/
+    ensure
+      ::Rails.configuration.ember.app_name = old
+    end
+  end
+
+  private
+
+  def ember_path(custom_path = nil)
+   "app/assets/javascripts/#{custom_path}".chomp('/')
+  end
+
+  def engine_to_extension(engine)
+    engine = "module.#{engine}" if engine == 'es6'
+    engine
+  end
+
+end