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Contents
# frozen_string_literal: true
require "forwardable"
module Lita
# Stores Rack middleware for later use in a +Rack::Builder+.
# @since 4.0.2
# @api private
class MiddlewareRegistry
# A Rack middleware and its initialization arguments.
MiddlewareWrapper = Struct.new(:middleware, :args, :block)
extend Forwardable
def_delegators :@registry, :each, :empty?
def initialize
@registry = []
end
# Adds a Rack middleware with no initialization arguments.
# @param middleware [#call] A Rack middleware.
# @return [void]
def push(middleware)
@registry << MiddlewareWrapper.new(middleware, [], nil)
end
alias << push
# Adds a Rack middleware with initialization argumens. Uses the same interface as
# +Rack::Builder#use+.
# @param middleware [#call] A Rack middleware.
# @param args [Array] Arbitrary initialization arguments for the middleware.
# @yield An optional block to be passed to the constructor of the middleware.
# @return [void]
def use(middleware, *args, &block)
@registry << MiddlewareWrapper.new(middleware, args, block)
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems