method

register_hook

v5.2.3 - Show latest stable - 0 notes - Class: ExecutionWrapper

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What's this?

register_hook(hook, outer: false) public

hook.complete will be passed the value returned from hook.run, and will only be invoked if run has previously been called. (Mostly, this means it won’t be invoked if an exception occurs in a preceding to_run block; all ordinary to_complete blocks are invoked in that situation.)

Show source

# File activesupport/lib/active_support/execution_wrapper.rb, line 49
    def self.register_hook(hook, outer: false)
      if outer
        to_run RunHook.new(hook), prepend: true
        to_complete :after, CompleteHook.new(hook)
      else
        to_run RunHook.new(hook)
        to_complete CompleteHook.new(hook)
      end
    end

register_hook

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