Sha256: 1ff2d1f9f0c38f5820dd0924e765afe94755b2316450e9c80030706e163bc862
Contents?: true
Size: 689 Bytes
Versions: 10
Compression:
Stored size: 689 Bytes
Contents
module Fluffle
class MiddlewareStack
def initialize
@stack = []
end
def push(middleware)
@stack << middleware
self
end
alias_method :<<, :push
# Calls the stack in FIFO order with the callable (passed as an object
# receiving `#call` or an `&block`) being called last.
#
# For example:
# stack.push 1
# stack.push 2
# stack.call 3
#
# Will be evaluated 1 -> 2 -> 3 -> 2 -> 1.
def call(callable = nil, &block)
callable ||= block
@stack
.reverse
.inject(callable) { |previous, middleware|
->{ middleware.call(previous) }
}
.call
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems