mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
114 lines
3.3 KiB
Ruby
114 lines
3.3 KiB
Ruby
# frozen_string_literal: true
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require "rails/ruby_version_check"
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require "pathname"
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require "active_support"
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require "active_support/dependencies/autoload"
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require "active_support/core_ext/kernel/reporting"
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require "active_support/core_ext/module/delegation"
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require "active_support/core_ext/array/extract_options"
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require "active_support/core_ext/object/blank"
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require "rails/application"
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require "rails/version"
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require "active_support/railtie"
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require "action_dispatch/railtie"
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# UTF-8 is the default internal and external encoding.
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silence_warnings do
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Encoding.default_external = Encoding::UTF_8
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Encoding.default_internal = Encoding::UTF_8
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end
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module Rails
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extend ActiveSupport::Autoload
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autoload :Info
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autoload :InfoController
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autoload :MailersController
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autoload :WelcomeController
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class << self
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@application = @app_class = nil
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attr_writer :application
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attr_accessor :app_class, :cache, :logger
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def application
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@application ||= (app_class.instance if app_class)
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end
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delegate :initialize!, :initialized?, to: :application
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# The Configuration instance used to configure the Rails environment
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def configuration
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application.config
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end
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def backtrace_cleaner
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@backtrace_cleaner ||= begin
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# Relies on Active Support, so we have to lazy load to postpone definition until Active Support has been loaded
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require "rails/backtrace_cleaner"
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Rails::BacktraceCleaner.new
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end
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end
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# Returns a Pathname object of the current Rails project,
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# otherwise it returns +nil+ if there is no project:
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#
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# Rails.root
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# # => #<Pathname:/Users/someuser/some/path/project>
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def root
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application && application.config.root
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end
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# Returns the current Rails environment.
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#
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# Rails.env # => "development"
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# Rails.env.development? # => true
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# Rails.env.production? # => false
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def env
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@_env ||= ActiveSupport::StringInquirer.new(ENV["RAILS_ENV"].presence || ENV["RACK_ENV"].presence || "development")
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end
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# Sets the Rails environment.
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#
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# Rails.env = "staging" # => "staging"
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def env=(environment)
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@_env = ActiveSupport::StringInquirer.new(environment)
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end
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# Returns all Rails groups for loading based on:
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#
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# * The Rails environment;
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# * The environment variable RAILS_GROUPS;
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# * The optional envs given as argument and the hash with group dependencies;
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#
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# groups assets: [:development, :test]
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#
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# # Returns
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# # => [:default, "development", :assets] for Rails.env == "development"
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# # => [:default, "production"] for Rails.env == "production"
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def groups(*groups)
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hash = groups.extract_options!
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env = Rails.env
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groups.unshift(:default, env)
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groups.concat ENV["RAILS_GROUPS"].to_s.split(",")
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groups.concat hash.map { |k, v| k if v.map(&:to_s).include?(env) }
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groups.compact!
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groups.uniq!
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groups
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end
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# Returns a Pathname object of the public folder of the current
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# Rails project, otherwise it returns +nil+ if there is no project:
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#
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# Rails.public_path
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# # => #<Pathname:/Users/someuser/some/path/project/public>
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def public_path
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application && Pathname.new(application.paths["public"].first)
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end
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end
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end
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