-
Notifications
You must be signed in to change notification settings - Fork 21.6k
/
option_merger.rb
46 lines (40 loc) · 1.35 KB
/
option_merger.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
# frozen_string_literal: true
require "active_support/core_ext/hash/deep_merge"
require "active_support/core_ext/symbol/starts_ends_with"
module ActiveSupport
class OptionMerger #:nodoc:
instance_methods.each do |method|
undef_method(method) unless method.start_with?("__", "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
invoke_method(method, arguments, options, &block)
end
if RUBY_VERSION >= "2.7"
def invoke_method(method, arguments, options, &block)
if options
@context.__send__(method, *arguments, **options, &block)
else
@context.__send__(method, *arguments, &block)
end
end
else
def invoke_method(method, arguments, options, &block)
arguments << options.dup if options
@context.__send__(method, *arguments, &block)
end
end
end
end