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Contents
module Shamu
module Features
module Conditions
# Match against a custom method. Due to their dynamic nature, proc
# conditions are much slower and should be reserved for only a few
# features.
#
# The proc is specified in the configuration by class and method name like
#
# ```yaml
# # features.yml
# commerce:
# buy_now:
# select:
# - proc: Commerce::BuyNow#match?
# ```
#
# Shamu will instantiate a new instance of the `Commerce::BuyNow` class
# and invoke the `match?` method passing the current {Features::Context}.
#
# The custom proj will also have access to the current {Scorpion} if it
# includes the {Scorpion::Object} mixin.
class Proc < Conditions::Condition
include Scorpion::Object
# (see Condition#match?)
def match?( context )
instance( context ).send( proc_method, context, toggle )
end
private
def instance( context )
context.scorpion.fetch( proc_class )
end
def proc_class
@proc_class ||= proc_config.first.constantize
end
def proc_method
proc_config.last
end
def proc_config
@proc_config ||= config.split( "#" )
end
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems