Module: TTY::Option::ParamPermitted

Defined in:
lib/tty/option/param_permitted.rb

Class Method Summary collapse

Class Method Details

.[] ⇒ Object

Convert parameter value to another type

Examples:

param = Parameter::Argument.create(:foo, permit: %w[11 12 13])
ParamPermitted[param, "12"] # => 12


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# File 'lib/tty/option/param_permitted.rb', line 30

def call(param, value)
  return Result.success(value) if !param.permit? || value.nil?

  unpermitted = Array(value) - Array(param.permit)

  if unpermitted.empty?
    Result.success(value)
  else
    Result.failure(unpermitted.map do |val|
      UnpermittedArgument.new(param, val)
    end)
  end
end

.call(param, value) ⇒ Object

Convert parameter value to another type

Examples:

param = Parameter::Argument.create(:foo, permit: %w[11 12 13])
ParamPermitted[param, "12"] # => 12


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# File 'lib/tty/option/param_permitted.rb', line 15

def call(param, value)
  return Result.success(value) if !param.permit? || value.nil?

  unpermitted = Array(value) - Array(param.permit)

  if unpermitted.empty?
    Result.success(value)
  else
    Result.failure(unpermitted.map do |val|
      UnpermittedArgument.new(param, val)
    end)
  end
end