Method: Dry::CLI::Usage.arguments

Defined in:
lib/dry/cli/usage.rb

.arguments(command) ⇒ Object

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.

Since:

  • 0.1.0



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# File 'lib/dry/cli/usage.rb', line 54

def self.arguments(command)
  return unless CLI.command?(command)

  required_arguments = command.required_arguments
  optional_arguments = command.optional_arguments

  required = required_arguments.map { |arg| arg.name.upcase }.join(" ") if required_arguments.any? # rubocop:disable Layout/LineLength
  optional = optional_arguments.map { |arg| "[#{arg.name.upcase}]" }.join(" ") if optional_arguments.any? # rubocop:disable Layout/LineLength
  result = [required, optional].compact

  " #{result.join(" ")}" unless result.empty?
end