Class: Telegem::Core::Composer

Inherits:
Object
  • Object
show all
Defined in:
lib/core/composer.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Composer

Returns a new instance of Composer.



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# File 'lib/core/composer.rb', line 5

def initialize
  @middleware = []
end

Instance Method Details

#call(ctx, &final) ⇒ Object 



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# File 'lib/core/composer.rb', line 14

def call(ctx, &final)
  return final.call(ctx) if @middleware.empty?

  # Build the middleware chain
  chain = final
  
  # Reverse the middleware so last added runs last in chain
  @middleware.reverse_each do |middleware|
    chain = create_middleware_wrapper(middleware, chain)
  end
  
  # Execute the chain
  chain.call(ctx)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/composer.rb', line 29

def empty?
  @middleware.empty?
end

#use(middleware) ⇒ Object 



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# File 'lib/core/composer.rb', line 9

def use(middleware)
  @middleware << middleware
  self
end