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-rw-r--r--activesupport/lib/active_support/lazy_load_hooks.rb50
1 files changed, 30 insertions, 20 deletions
diff --git a/activesupport/lib/active_support/lazy_load_hooks.rb b/activesupport/lib/active_support/lazy_load_hooks.rb
index e2b8f0f648..ae1897b886 100644
--- a/activesupport/lib/active_support/lazy_load_hooks.rb
+++ b/activesupport/lib/active_support/lazy_load_hooks.rb
@@ -15,34 +15,44 @@ module ActiveSupport
# end
# end
#
- # When the entirety of +activerecord/lib/active_record/base.rb+ has been
+ # When the entirety of +ActiveRecord::Base+ has been
# evaluated then +run_load_hooks+ is invoked. The very last line of
- # +activerecord/lib/active_record/base.rb+ is:
+ # +ActiveRecord::Base+ is:
#
# ActiveSupport.run_load_hooks(:active_record, ActiveRecord::Base)
- @load_hooks = Hash.new { |h,k| h[k] = [] }
- @loaded = Hash.new { |h,k| h[k] = [] }
-
- def self.on_load(name, options = {}, &block)
- @loaded[name].each do |base|
- execute_hook(base, options, block)
+ module LazyLoadHooks
+ def self.extended(base) # :nodoc:
+ base.class_eval do
+ @load_hooks = Hash.new { |h,k| h[k] = [] }
+ @loaded = Hash.new { |h,k| h[k] = [] }
+ end
end
- @load_hooks[name] << [block, options]
- end
+ # Declares a block that will be executed when a Rails component is fully
+ # loaded.
+ def on_load(name, options = {}, &block)
+ @loaded[name].each do |base|
+ execute_hook(base, options, block)
+ end
- def self.execute_hook(base, options, block)
- if options[:yield]
- block.call(base)
- else
- base.instance_eval(&block)
+ @load_hooks[name] << [block, options]
end
- end
- def self.run_load_hooks(name, base = Object)
- @loaded[name] << base
- @load_hooks[name].each do |hook, options|
- execute_hook(base, options, hook)
+ def execute_hook(base, options, block)
+ if options[:yield]
+ block.call(base)
+ else
+ base.instance_eval(&block)
+ end
+ end
+
+ def run_load_hooks(name, base = Object)
+ @loaded[name] << base
+ @load_hooks[name].each do |hook, options|
+ execute_hook(base, options, hook)
+ end
end
end
+
+ extend LazyLoadHooks
end