Class: TTY::Option::Pipeline

Inherits:
Object
  • Object
show all
Defined in:
lib/tty/option/pipeline.rb

Constant Summary collapse

PROCESSORS = 
[
  ParamConversion,
  ParamPermitted,
  ParamValidation
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(error_aggregator) ⇒ Pipeline

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Create a param processing pipeline



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# File 'lib/tty/option/pipeline.rb', line 19

def initialize(error_aggregator)
  @error_aggregator = error_aggregator
end

Instance Method Details

#call(param, value) ⇒ Object

Process param value through conditions



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# File 'lib/tty/option/pipeline.rb', line 26

def call(param, value)
  result = Result.success(value)
  PROCESSORS.each do |processor|
    result = processor[param, result.value]
    if result.failure?
      Array(result.error).each { |err| @error_aggregator.(err) }
    end
  end
  result.value
end