Class: GrubY::Middleware

Inherits:

Object

• Object
• GrubY::Middleware

Defined in:

lib/gruubY/middleware.rb

Instance Method Summary

• #initialize ⇒ Middleware constructor

  A new instance of Middleware.

• #run(ctx, &final) ⇒ Object
• #use(&block) ⇒ Object

Constructor Details

#initialize ⇒ Middleware

Returns a new instance of Middleware.

# File 'lib/gruubY/middleware.rb', line 3

def initialize
  @stack = []
end

Instance Method Details

#run(ctx, &final) ⇒ Object

# File 'lib/gruubY/middleware.rb', line 11

def run(ctx, &final)
  chain = @stack.reverse.inject(final) do |nxt, mw|
    proc { mw.call(ctx, nxt) }
  end
  chain.call
end

#use(&block) ⇒ Object

# File 'lib/gruubY/middleware.rb', line 7

def use(&block)
  @stack << block
end