Module: Hatenablog::AfterHook

Included in:
Entry
Defined in:
lib/hatenablog/entry.rb

Instance Method Summary collapse

Instance Method Details

#after_hook(hook, *methods) ⇒ Object

Register a hooking method for given methods. The hook method is executed after calling given methods.

Parameters:

  • hooking (Symbol) —

    method name

  • hooked (Array) —

    methods name array



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# File 'lib/hatenablog/entry.rb', line 10

def after_hook(hook, *methods)
  methods.each do |method|
    origin_method = "#{method}_origin".to_sym
    if instance_methods.include? origin_method
      raise NameError, "#{origin_method} isn't a unique name"
    end

    alias_method origin_method, method

    define_method(method) do |*args, &block|
      result = send(origin_method, *args, &block)
      send(hook)
      result
    end
  end
end