diff options
Diffstat (limited to 'activesupport/lib/active_support/lazy_load_hooks.rb')
-rw-r--r-- | activesupport/lib/active_support/lazy_load_hooks.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/lazy_load_hooks.rb b/activesupport/lib/active_support/lazy_load_hooks.rb new file mode 100644 index 0000000000..36acfda524 --- /dev/null +++ b/activesupport/lib/active_support/lazy_load_hooks.rb @@ -0,0 +1,25 @@ +module ActiveSupport + module LazyLoadHooks + def _setup_base_hooks + @base_hooks ||= Hash.new {|h,k| h[k] = [] } + @base ||= {} + end + + def base_hook(name = nil, &block) + _setup_base_hooks + + if base = @base[name] + base.instance_eval(&block) + else + @base_hooks[name] << block + end + end + + def run_base_hooks(base, name = nil) + _setup_base_hooks + + @base_hooks[name].each { |hook| base.instance_eval(&hook) } if @base_hooks + @base[name] = base + end + end +end
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