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require 'rails/configuration'
module Rails
class Railtie
class Configuration
def initialize
@@options ||= {}
end
# Expose the eager_load_namespaces at "module" level for convenience.
def self.eager_load_namespaces #:nodoc:
@@eager_load_namespaces ||= []
end
# All namespaces that are eager loaded
def eager_load_namespaces
@@eager_load_namespaces ||= []
end
# Add files that should be watched for change.
def watchable_files
@@watchable_files ||= []
end
# Add directories that should be watched for change.
# The key of the hashes should be directories and the values should
# be an array of extensions to match in each directory.
def watchable_dirs
@@watchable_dirs ||= {}
end
# This allows you to modify the application's middlewares from Engines.
#
# All operations you run on the app_middleware will be replayed on the
# application once it is defined and the default_middlewares are
# created
def app_middleware
@@app_middleware ||= Rails::Configuration::MiddlewareStackProxy.new
end
# This allows you to modify application's generators from Railties.
#
# Values set on app_generators will become defaults for application, unless
# application overwrites them.
def app_generators
@@app_generators ||= Rails::Configuration::Generators.new
yield(@@app_generators) if block_given?
@@app_generators
end
# First configurable block to run. Called before any initializers are run.
def before_configuration(&block)
ActiveSupport.on_load(:before_configuration, yield: true, &block)
end
# Third configurable block to run. Does not run if +config.cache_classes+
# set to false.
def before_eager_load(&block)
ActiveSupport.on_load(:before_eager_load, yield: true, &block)
end
# Second configurable block to run. Called before frameworks initialize.
def before_initialize(&block)
ActiveSupport.on_load(:before_initialize, yield: true, &block)
end
# Last configurable block to run. Called after frameworks initialize.
def after_initialize(&block)
ActiveSupport.on_load(:after_initialize, yield: true, &block)
end
# Array of callbacks defined by #to_prepare.
def to_prepare_blocks
@@to_prepare_blocks ||= []
end
# Defines generic callbacks to run before #after_initialize. Useful for
# Rails::Railtie subclasses.
def to_prepare(&blk)
to_prepare_blocks << blk if blk
end
def respond_to?(name, include_private = false)
super || @@options.key?(name.to_sym)
end
private
def method_missing(name, *args, &blk)
if name.to_s =~ /=$/
@@options[$`.to_sym] = args.first
elsif @@options.key?(name)
@@options[name]
else
super
end
end
end
end
end
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