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Contents
# frozen_string_literal: true
require 'active_support/deprecation'
module Spree
Deprecation = ActiveSupport::Deprecation.new('3.0', 'Solidus')
# This DeprecatedInstanceVariableProxy transforms instance variable to
# deprecated instance variable.
#
# It differs from ActiveSupport::DeprecatedInstanceVariableProxy since
# it allows to define a custom message.
#
# class Example
# def initialize(deprecator)
# @request = Spree::DeprecatedInstanceVariableProxy.new(self, :request, :@request, deprecator, "Please, do not use this thing.")
# @_request = :a_request
# end
#
# def request
# @_request
# end
#
# def old_request
# @request
# end
# end
#
# When someone execute any method on @request variable this will trigger
# +warn+ method on +deprecator_instance+ and will fetch <tt>@_request</tt>
# variable via +request+ method and execute the same method on non-proxy
# instance variable.
#
# Default deprecator is <tt>Spree::Deprecation</tt>.
class DeprecatedInstanceVariableProxy < ActiveSupport::Deprecation::DeprecationProxy
def initialize(instance, method, var = "@#{method}", deprecator = Spree::Deprecation, message = nil)
@instance = instance
@method = method
@var = var
@deprecator = deprecator
@message = message
end
private
def target
@instance.__send__(@method)
end
def warn(callstack, called, args)
message = @message || "#{@var} is deprecated! Call #{@method}.#{called} instead of #{@var}.#{called}."
message = [message, "Args: #{args.inspect}"].join(" ")
@deprecator.warn(message, callstack)
end
end
end
Version data entries
33 entries across 33 versions & 1 rubygems