method

__update_callbacks

v3.0.9 - Show latest stable - 0 notes - Class: ActiveSupport::Callbacks::ClassMethods

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What's this?

__update_callbacks(name, filters = [], block = nil) public

This is used internally to append, prepend and skip callbacks to the CallbackChain.

# File activesupport/lib/active_support/callbacks.rb, line 439
      def __update_callbacks(name, filters = [], block = nil) #:nodoc:
        type = [:before, :after, :around].include?(filters.first) ? filters.shift : :before
        options = filters.last.is_a?(Hash) ? filters.pop : {}
        filters.unshift(block) if block

        ([self] + ActiveSupport::DescendantsTracker.descendants(self)).each do |target|
          chain = target.send("_#{name}_callbacks")
          yield chain, type, filters, options
          target.__define_runner(name)
        end
      end

__update_callbacks

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