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rails--rails/activesupport/lib/active_support/option_merger.rb
2019-09-13 20:20:28 +09:00

34 lines
942 B
Ruby

# frozen_string_literal: true
require "active_support/core_ext/hash/deep_merge"
module ActiveSupport
class OptionMerger #:nodoc:
instance_methods.each do |method|
undef_method(method) unless method.match?(/^(__|instance_eval|class|object_id)/)
end
def initialize(context, options)
@context, @options = context, options
end
private
def method_missing(method, *arguments, &block)
options = nil
if arguments.first.is_a?(Proc)
proc = arguments.pop
arguments << lambda { |*args| @options.deep_merge(proc.call(*args)) }
elsif arguments.last.respond_to?(:to_hash)
options = @options.deep_merge(arguments.pop)
else
options = @options
end
if options
@context.__send__(method, *arguments, **options, &block)
else
@context.__send__(method, *arguments, &block)
end
end
end
end