Namespace
Methods
A
B
C
E
G
P
R
V
Attributes
[RW] app_class
[W] application
[RW] cache
[RW] logger
Class Public methods
application()
# File railties/lib/rails.rb, line 36
def application
  @application ||= (app_class.instance if app_class)
end
backtrace_cleaner()
# File railties/lib/rails.rb, line 47
def backtrace_cleaner
  @backtrace_cleaner ||= begin
    # Relies on Active Support, so we have to lazy load to postpone definition until AS has been loaded
    require 'rails/backtrace_cleaner'
    Rails::BacktraceCleaner.new
  end
end
configuration()

The Configuration instance used to configure the Rails environment

# File railties/lib/rails.rb, line 43
def configuration
  application.config
end
env()
# File railties/lib/rails.rb, line 59
def env
  @_env ||= ActiveSupport::StringInquirer.new(ENV["RAILS_ENV"] || ENV["RACK_ENV"] || "development")
end
env=(environment)
# File railties/lib/rails.rb, line 63
def env=(environment)
  @_env = ActiveSupport::StringInquirer.new(environment)
end
gem_version()

Returns the version of the currently loaded Rails as a Gem::Version

# File railties/lib/rails/gem_version.rb, line 3
def self.gem_version
  Gem::Version.new VERSION::STRING
end
groups(*groups)

Returns all rails groups for loading based on:

  • The Rails environment;

  • The environment variable RAILS_GROUPS;

  • The optional envs given as argument and the hash with group dependencies;

    groups assets: [:development, :test]

    # Returns # => [:default, :development, :assets] for ::env == “development” # => [:default, :production] for ::env == “production”

# File railties/lib/rails.rb, line 78
def groups(*groups)
  hash = groups.extract_options!
  env = Rails.env
  groups.unshift(:default, env)
  groups.concat ENV["RAILS_GROUPS"].to_s.split(",")
  groups.concat hash.map { |k, v| k if v.map(&:to_s).include?(env) }
  groups.compact!
  groups.uniq!
  groups
end
public_path()
# File railties/lib/rails.rb, line 89
def public_path
  application && Pathname.new(application.paths["public"].first)
end
root()
# File railties/lib/rails.rb, line 55
def root
  application && application.config.root
end
version()

Returns the version of the currently loaded Rails as a string.

# File railties/lib/rails/version.rb, line 5
def self.version
  VERSION::STRING
end