Class: Meta::Utils::Kwargs::Checker

Inherits:
Object
  • Object
show all
Defined in:
lib/meta/utils/kwargs/checker.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(arguments_consumer:, extras_consumer: nil, after_handler: nil) ⇒ Checker

Returns a new instance of Checker.



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# File 'lib/meta/utils/kwargs/checker.rb', line 9

def initialize(arguments_consumer:, extras_consumer: nil, after_handler: nil)
  @arguments_consumer = arguments_consumer
  @extras_consumer = extras_consumer || ExtrasConsumers::RaiseError
  @after_handler = after_handler
end

Instance Attribute Details

#arguments_consumer ⇒ Object (readonly)

Returns the value of attribute arguments_consumer.



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# File 'lib/meta/utils/kwargs/checker.rb', line 7

def arguments_consumer
  @arguments_consumer
end

Instance Method Details

#check(args, extras_handler: nil) ⇒ Object 



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# File 'lib/meta/utils/kwargs/checker.rb', line 15

def check(args, extras_handler: nil)
  # 准备工作
  args = args.dup
  final_args = {}

  # 逐个消费参数
  @arguments_consumer.consume(final_args, args)

  # 处理额外参数
  extras_consumer = ExtrasConsumers.resolve_handle_extras(extras_handler)
  extras_consumer ||= @extras_consumer
  extras_consumer&.consume(final_args, args)

  # 后置处理器
  @after_handler&.call(final_args)

  # 返回最终参数
  final_args
end