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# frozen_string_literal: true
# :markup: markdown
module ActionDispatch
# # Action Dispatch Callbacks
#
# Provides callbacks to be executed before and after dispatching the request.
class Callbacks
include ActiveSupport::Callbacks
define_callbacks :call
class << self
def before(*args, &block)
set_callback(:call, :before, *args, &block)
end
def after(*args, &block)
set_callback(:call, :after, *args, &block)
end
end
def initialize(app)
@app = app
end
def call(env)
error = nil
result = run_callbacks :call do
@app.call(env)
rescue => error
end
raise error if error
result
end
end
end
|
