diff options
Diffstat (limited to 'railties/lib/rails/engine.rb')
| -rw-r--r-- | railties/lib/rails/engine.rb | 63 |
1 files changed, 32 insertions, 31 deletions
diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb index 90e7c04d7c..cc2030d37d 100644 --- a/railties/lib/rails/engine.rb +++ b/railties/lib/rails/engine.rb @@ -1,5 +1,7 @@ -require "rails/railtie" -require "rails/engine/railties" +# frozen_string_literal: true + +require_relative "railtie" +require_relative "engine/railties" require "active_support/core_ext/module/delegation" require "pathname" require "thread" @@ -40,7 +42,7 @@ module Rails # # class MyEngine < Rails::Engine # # Add a load path for this specific Engine - # config.autoload_paths << File.expand_path("../lib/some/path", __FILE__) + # config.autoload_paths << File.expand_path("lib/some/path", __dir__) # # initializer "my_engine.add_middleware" do |app| # app.middleware.use MyEngine::Middleware @@ -109,7 +111,7 @@ module Rails # # == Endpoint # - # An engine can also be a rack application. It can be useful if you have a rack application that + # An engine can also be a Rack application. It can be useful if you have a Rack application that # you would like to wrap with +Engine+ and provide with some of the +Engine+'s features. # # To do that, use the +endpoint+ method: @@ -128,7 +130,7 @@ module Rails # # == Middleware stack # - # As an engine can now be a rack endpoint, it can also have a middleware + # As an engine can now be a Rack endpoint, it can also have a middleware # stack. The usage is exactly the same as in <tt>Application</tt>: # # module MyEngine @@ -380,7 +382,7 @@ module Rails def isolate_namespace(mod) engine_name(generate_railtie_name(mod.name)) - self.routes.default_scope = { module: ActiveSupport::Inflector.underscore(mod.name) } + routes.default_scope = { module: ActiveSupport::Inflector.underscore(mod.name) } self.isolated = true unless mod.respond_to?(:railtie_namespace) @@ -436,23 +438,23 @@ module Rails # Load console and invoke the registered hooks. # Check <tt>Rails::Railtie.console</tt> for more info. - def load_console(app=self) - require "rails/console/app" - require "rails/console/helpers" + def load_console(app = self) + require_relative "console/app" + require_relative "console/helpers" run_console_blocks(app) self end # Load Rails runner and invoke the registered hooks. # Check <tt>Rails::Railtie.runner</tt> for more info. - def load_runner(app=self) + def load_runner(app = self) run_runner_blocks(app) self end # Load Rake, railties tasks and invoke the registered hooks. # Check <tt>Rails::Railtie.rake_tasks</tt> for more info. - def load_tasks(app=self) + def load_tasks(app = self) require "rake" run_tasks_blocks(app) self @@ -460,8 +462,8 @@ module Rails # Load Rails generators and invoke the registered hooks. # Check <tt>Rails::Railtie.generators</tt> for more info. - def load_generators(app=self) - require "rails/generators" + def load_generators(app = self) + require_relative "generators" run_generators_blocks(app) Rails::Generators.configure!(app.config.generators) self @@ -499,7 +501,7 @@ module Rails paths["app/helpers"].existent end - # Returns the underlying rack application for this engine. + # Returns the underlying Rack application for this engine. def app @app || @app_build_lock.synchronize { @app ||= begin @@ -549,7 +551,7 @@ module Rails load(seed_file) if seed_file end - # Add configured load paths to ruby load paths and remove duplicates. + # Add configured load paths to Ruby's load path, and remove duplicate entries. initializer :set_load_path, before: :bootstrap_hook do _all_load_paths.reverse_each do |path| $LOAD_PATH.unshift(path) if File.directory?(path) @@ -573,7 +575,7 @@ module Rails end initializer :add_routing_paths do |app| - routing_paths = self.paths["config/routes.rb"].existent + routing_paths = paths["config/routes.rb"].existent if routes? || routing_paths.any? app.routes_reloader.paths.unshift(*routing_paths) @@ -643,23 +645,24 @@ module Rails protected - def load_config_initializer(initializer) - ActiveSupport::Notifications.instrument("load_config_initializer.railties", initializer: initializer) do - load(initializer) - end - end - def run_tasks_blocks(*) #:nodoc: super paths["lib/tasks"].existent.sort.each { |ext| load(ext) } end - def has_migrations? #:nodoc: - paths["db/migrate"].existent.any? + private + + def load_config_initializer(initializer) # :doc: + ActiveSupport::Notifications.instrument("load_config_initializer.railties", initializer: initializer) do + load(initializer) + end end - def self.find_root_with_flag(flag, root_path, default=nil) #:nodoc: + def has_migrations? + paths["db/migrate"].existent.any? + end + def self.find_root_with_flag(flag, root_path, default = nil) #:nodoc: while root_path && File.directory?(root_path) && !File.exist?("#{root_path}/#{flag}") parent = File.dirname(root_path) root_path = parent != root_path && parent @@ -671,24 +674,22 @@ module Rails Pathname.new File.realpath root end - def default_middleware_stack #:nodoc: + def default_middleware_stack ActionDispatch::MiddlewareStack.new end - def _all_autoload_once_paths #:nodoc: + def _all_autoload_once_paths config.autoload_once_paths end - def _all_autoload_paths #:nodoc: + def _all_autoload_paths @_all_autoload_paths ||= (config.autoload_paths + config.eager_load_paths + config.autoload_once_paths).uniq end - def _all_load_paths #:nodoc: + def _all_load_paths @_all_load_paths ||= (config.paths.load_paths + _all_autoload_paths).uniq end - private - def build_request(env) env.merge!(env_config) req = ActionDispatch::Request.new env |