class Rory::MiddlewareStack

Attributes

middlewares[RW]

Public Class Methods

new(on_change: -> {} { |self| ... } click to toggle source
# File lib/rory/middleware_stack.rb, line 45
def initialize(on_change: -> {})

  @middlewares = []
  yield(self) if block_given?
end

Public Instance Methods

delete(target) click to toggle source
# File lib/rory/middleware_stack.rb, line 67
def delete(target)
  middlewares.delete_if { |m| m.klass == target }
end
insert(index, klass, *args, &block) click to toggle source
# File lib/rory/middleware_stack.rb, line 55
def insert(index, klass, *args, &block)
  index = assert_index(index, :before)
  middlewares.insert(index, build_middleware(klass, args, block))
end
Also aliased as: insert_before
insert_after(index, *args, &block) click to toggle source
# File lib/rory/middleware_stack.rb, line 62
def insert_after(index, *args, &block)
  index = assert_index(index, :after)
  insert(index + 1, *args, &block)
end
insert_before(index, klass, *args, &block)
Alias for: insert
unshift(klass, *args, &block) click to toggle source
# File lib/rory/middleware_stack.rb, line 51
def unshift(klass, *args, &block)
  middlewares.unshift(build_middleware(klass, args, block))
end
use(klass, *args, &block) click to toggle source
# File lib/rory/middleware_stack.rb, line 71
def use(klass, *args, &block)
  middlewares.push(build_middleware(klass, args.compact, block))
end

Private Instance Methods

assert_index(index, where) click to toggle source
# File lib/rory/middleware_stack.rb, line 77
def assert_index(index, where)
  i     = index.is_a?(Integer) ? index : middlewares.index { |m| m.klass == index }
  raise "No such middleware to insert #{where}: #{index.inspect}" unless i
  i
end
build_middleware(klass, args, block) click to toggle source
# File lib/rory/middleware_stack.rb, line 83
def build_middleware(klass, args, block)
  Middleware.new(klass, args, block)
end