lib/grape/middleware/filter.rb
# frozen_string_literal: true
module Grape
module Middleware
# This is a simple middleware for adding before and after filters
# to Grape APIs. It is used like so:
#
# use Grape::Middleware::Filter, before: -> { do_something }, after: -> { do_something }
class Filter < Base
def before
app.instance_eval(&options[:before]) if options[:before]
end
def after
app.instance_eval(&options[:after]) if options[:after]
end
end
end
end