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module Typhoeus
class Hydra
# This module provides a way to hook into before
# a request gets queued in hydra. This is very powerful
# and you should be careful because when you accidently
# return a falsy value the request won't be executed.
#
# @api private
module Before
# Overrride add in order to execute callbacks in
# Typhoeus.before. Will break and return when a
# callback returns nil, false or a response. Calls super
# otherwise.
#
# @example Add the request.
# hydra.add(request)
def add(request)
Typhoeus.before.each do |callback|
value = callback.call(request)
if value.nil? || value == false || value.is_a?(Response)
dequeue
return value
end
end
super
end
end
end
end
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