Module: Hanami::CLI::Parser

Defined in:
lib/ext/hanami/parser.rb

Class Method Summary collapse

Class Method Details

.call(command, arguments, names) ⇒ Object

Copied and adjusted from hanami/cli codebase to handle validations



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# File 'lib/ext/hanami/parser.rb', line 6

def self.call(command, arguments, names)

  command.arguments.map.with_index do |arg, idx|
    arg_value = arguments[idx]
    unless [*arg.validations].all? { |validation| validation.call(arg_value) }
      return Result.failure "Error: Invalid argument provided: #{arg_value}" if arg_value
    end
  end

  parsed_options = {}

  OptionParser.new do |opts|
    command.options.each do |option|
      opts.on(*option.parser_options) do |value|
        # This conditional enforces validations
        if option.validations.all? { |validation| validation.call(value) }
          parsed_options[option.name.to_sym] = value
        else
          return Result.failure "Error: Invalid option provided: #{option.name}"
        end
      end
    end

    opts.on_tail("-h", "--help") do
      return Result.help
    end
  end.parse!(arguments)

  parsed_options = command.default_params.merge(parsed_options)
  parse_required_params(command, arguments, names, parsed_options)
rescue ::OptionParser::ParseError
  return Result.failure
end